Partner, Mayer Brown LLP
Marcia Madsen was Chair of the Government Contracts practice and co-chair of the National Security Practice at Mayer Brown. She represented contractors in regulatory, policy, transactional, litigation, and investigative matters involving virtually every federal agency. Her clients included defense contractors, information technology and systems integrators, telecommunications companies, engineering firms, insurers, and manufacturing companies. Ms. Madsen's practice included defense of False Claims Act matters, internal investigations, audits, bid protests, claims and disputes before administrative forums and in the federal courts. She was a former Chair of the American Bar Association Section of Public Contract Law and currently co-chairs the Section’s Procurement Fraud Committee. She also is a member of the Federalist Society Administrative Law and Regulation Executive Committee. In addition, Marcia was a member of the Court of Federal Claims Advisory Council - Emeritus, and a recipient of the Court's Golden Eagle award. She was a Past President of the Board of Contract Appeals Bar Association. She was appointed by the Executive Office of the President to chair the Section 1423 Panel which recommended revision of the acquisition laws. She spoke and wrote frequently on government contracts and litigation topics.
Georgetown University Law Center, LL.M., 1980
American University - Washington College of Law, J.D., 1976
University of Utah, B.A., 1972
Partner, Mayer Brown
David Dowd is an experienced litigator at Mayer Brown whose practice has a strong emphasis in government contracting issues and controversies. He advises such clients as those involved in health care, information technology, large military systems, engineering services, and other industries regarding federal procurements and related issues. His counsel in this area includes commercial items, conflicts of interest, cost allowability issues, defective pricing, contract and subcontract negotiations, contract financing, assignments and novations, leasing, prime/sub disputes, preparation of claims, and procurement fraud.
David also handles procurement controversies, as he litigates bid protests and disputes before the Government Accountability Office and the Court of Federal Claims, represents contractors in litigation and arbitrations involving government contracts, and tries federal court litigation focused on contract disputes and alleged fraud.
Health care and insurance companies rely on David for advice regarding federal health care and insurance programs, including FEHBA, Medicare, TRICARE, and FEGLI. He represents these industry clients in bid protest and claim litigation regarding federal health care and insurance programs. In related matters, David counsels biotechnology and pharmaceutical companies on biodefense purchasing opportunities and applications, including research and development.
David has more than 20 years of practice experience, having joined Mayer Brown’s Washington, DC office in 2001 after practicing with two other national law firms.
Founder and CEO, Lexpat Global Services
Adam Pearlman is the Founder and Chief Executive Officer of Lexpat Global Services. He is a National Security Law expert and a proven senior leader with experience across the U.S. Departments of Justice, Defense, and State, in the White House, and with the U.S. Federal Judiciary.
Before founding Lexpat, Mr. Pearlman served as the Senior Advisor for Legal Policy in the State Department’s Bureau of Counterterrorism. There, he counseled senior officials on matters covering the entire spectrum of programs and operations to counter terrorism and violent extremism. While participating in sensitive diplomatic engagements and helping to coordinate military operations, he also advised in the development of sanctions policy and initiatives to build legal and operational capacity in partner nations. Mr. Pearlman also managed the Bureau’s participation in federal litigation and led U.S. delegations in multilateral forums concerning criminal justice and rule of law. Separately, Mr. Pearlman supported the State Department’s Bureau of International Narcotics and Law Enforcement Affairs (INL) as the contracted Senior Justice and Rule of Law Advisor in Cabo Verde, Africa. There he was the chief implementer of a Foreign Assistance program that grew eight-fold during his tenure, building host nation capacity across the law enforcement, justice sector, rule of law, anti-money laundering, and corrections disciplines.
A former Associate Deputy General Counsel of the Department of Defense, Mr. Pearlman was agency counsel for complex civil and criminal national security matters in federal and military courts. He also led the Supreme Court and appellate unit of the team dedicated to litigating classified counterterrorism cases. His earlier service in the Department of Justice spanned four litigating divisions and the Office of the Deputy Attorney General. His diverse experience included reviewing complex international transactions and mergers, and advising on immigration removal proceedings, human rights abuses, and terrorist financing investigations. Mr. Pearlman also served with distinction in Iraq as an early advisor to the Iraqi High Tribunal’s prosecution of Saddam Hussein. He was a law clerk for The Honorable Royce C. Lamberth of the U.S. District Court for the District of Columbia, and during law school interned in the White House Counsel’s Office.
Mr. Pearlman is a Senior Fellow at the National Security Institute at George Mason University’s Antonin Scalia Law School, a member of the American Bar Association’s Advisory Committee on Law and National Security, and the Editor-in-Chief of the U.S. Intelligence Community Law Sourcebook. Previously, he has been a Term Member of the Council on Foreign Relations, National Security Fellow at the Foundation for Defense of Democracies, member of the ABA’s Africa Law Initiative Council and of the Center for Strategic & International Studies’ (CSIS) Project on Nuclear Issues, vice chairman of the ABA Section of International Law’s committees on national security, and aerospace and defense, and a liaison to the Board of Directors of the ABA’s Rule of Law Initiative. He has published articles in the Harvard National Security Journal, Stanford Law & Policy Review, Intelligence & National Security, The Foreign Service Journal, Lawfare, and many other outlets.
Mr. Pearlman earned his B.A., with honors, from UCLA, and his J.D., with honors, from The George Washington University Law School, where he was a member of the International Law Review. He also earned a Master of Science of Strategic Intelligence degree from the National Intelligence University, where he was the inaugural recipient of the Kornblum Award for national security law and ethics. Mr. Pearlman is a Certified Financial Crime Specialist and holds certificates in international human rights law from the University of Oxford and in anti-corruption law from American University’s Washington College of Law. He is admitted to the State Bars of California and Virginia, as well as to the Bar of the United States Supreme Court. He speaks and reads Portuguese at the intermediate level.
Chairman, Ridge Global, Former First Secretary, U.S. Department, Former Governor of Pennsylvania
Gov. Tom Ridge is Chairman of Ridge Global. He provides clients with solutions to cyber security, international security and risk management issues. Following the tragic events of September 11th, 2001, Gov. Tom Ridge became the first Assistant to the President for Homeland Security and, on January 24, 2003, became the first Secretary of the U.S. Department of Homeland Security. The creation of the country's 15th Cabinet Department marked the largest reorganization of government since the Truman administration and another call to service for the former soldier, congressman and governor of Pennsylvania. During his DHS tenure, Secretary Ridge worked with more than 180,000 employees from a combined 22 agencies to create an agency that facilitated the flow of people and goods, instituted layered security at air, land and seaports, developed a unified national response and recovery plan, protected critical infrastructure, integrated new technology and improved information sharing worldwide. Gov. Tom Ridge served as Secretary of this historic and critical endeavor until February 1, 2005. Before the events of September 11th, Gov. Tom Ridge was twice elected Governor of Pennsylvania. He served as the state's 43rd governor from 1995 to 2001. Gov. Ridge's aggressive technology strategy helped fuel the state's advances in economic development, education, health care and the environment. He serves on the boards of the Institute for Defense Analyses, the Center for the Study of the Presidency and Congress and other private and public entities. He is currently chairman of the U.S. Chamber of Commerce's National Security Task Force. He graduated from Harvard with honors. After his first year at Penn State University's Dickinson School of Law, he was drafted into the U.S. Army, where he served as an infantry staff sergeant in Vietnam, earning the Bronze Star for Valor, the Combat Infantry Badge and the Vietnamese Cross of Gallantry. After returning to Pennsylvania and to Dickinson, he earned his law degree and, later, became one of the first Vietnam combat veterans elected to the U.S. House of Representatives, where he served six terms.
Managing Partner, Bigley Ranish, LLP
Sean M. Bigley is a national security attorney and managing partner of Bigley Ranish, LLP. Mr. Bigley’s practice primarily encompasses defending federal employees and contractors in security clearance denial cases. He also provides personnel security consulting to major international defense and aerospace corporations, and prosecutes intelligence community whistle-blower retaliation cases.
Since first opening his firm in 2013, Mr. Bigley has grown it from a solo practice to a five-attorney partnership with employees in three states. Bigley Ranish, LLP attorneys regularly appear before administrative tribunals at agencies ranging from the CIA to the Department of State, representing in excess of 200 American intelligence officers, diplomats, armed forces personnel, and other security clearance holders each year around the world. In 2016 alone, Mr. Bigley and his colleagues represented clients in roughly forty states and a dozen countries.
The idea for this unique practice was borne out of Mr. Bigley’s prior service as a federal background investigator. Prior to and during law school, Mr. Bigley was an investigator for the U.S. Office of Personnel Management, where he conducted some of that agency’s most sensitive security investigations in the Los Angeles metropolitan area. Mr. Bigley has also served on the faculty of Chapman University, teaching national security and criminal justice courses with an emphasis in U.S.-European security cooperation. Earlier in his career, Mr. Bigley worked for several years in the White House and Department of Homeland Security under President George W. Bush.
A recognized expert in national security law, Mr. Bigley’s commentary on the topic is frequently sought by major media outlets such as Fox News, The New York Times, and CNN. He is a contributing writer for Clearancejobs.com and GovExec.com.
Mr. Bigley earned his Juris Doctorate from Chapman University School of Law. He holds a Bachelor’s Degree from Washington D.C.’s American University and a Master’s Degree from Boston University.
Partner, The Gardner Law Firm
David F. Barton has extensive experience in environmental, government and government contract, and corporate law. He joined The Gardner Law Firm in 1996 after serving as a United States Air Force JAG officer as well as having six years of private practice with firms in Texas. Mr. Barton counsels clients in environmental matters, government contracts, regulatory compliance, commercial law, and litigation related to those areas. He represents industries, businesses and government units on matters involving water, air, solid and hazardous waste, toxins, wetlands, endangered species, historic preservation, NEPA, Superfund, and federal and state court litigation in those areas. He has taught courses in criminal law, litigation, administration of justice and environmental crimes at several universities throughout the United States, and he has been a guest speaker at environmental law and government contract seminars. Mr. Barton has been licensed to practice in Texas since 1991, and is also licensed in Arkansas. He is admitted to practice before the United States Supreme Court, the United States Court of Federal Claims, the United States Court of Military Appeals, and several United States Circuit Courts of Appeals and United States District Courts. He is a member of the State Bar of Texas (Environmental & Natural Resources Section, among others); College of the State Bar of Texas, the Arkansas Bar Association, the Arkansas Bar Foundation (Fellow), the Association of Trial Lawyers of America, and the San Antonio Bar Association (Environmental Section). He is also an active participant in the San Antonio Manufacturers Association, the Alamo Area Chapter - Air & Waste Management Association, and Citizens Advisory Panel of the San Antonio Water System.
University of Arkansas, J.D., 1975; Central Methodist College; University of Missouri at Columbia, B.A., 1967
Executive Vice President, Chief Legal Officer, Gates Corporation
Matthew R. A. Heiman joined the Company in May 2026 and has served as the Company’s Chief Legal Officer and Corporate Secretary since June 2026. As Chief Legal Officer, Mr. Heiman is responsible for all legal functions for Gates, including securities and corporate governance, M&A, litigation, commercial, regulatory, compliance, patents and trademarks, real estate, employment and labor, sustainability and environmental matters. Prior to joining Gates, Mr. Heiman held senior legal leadership roles at Waystar, where he served as Chief Legal & Administrative Officer from 2023 to 2025 and as General Counsel and Corporate Secretary from 2020 to 2023. Prior to that, he was with Johnson Controls, where he served as Vice President, Corporate Secretary, and Associate General Counsel. Mr. Heiman has been a Senior Fellow for the National Security Institute at George Mason University’s Antonin Scalia School of Law since 2018.
Founder and Executive Director, National Security Institute; Assistant Professor of Law, Antonin Scalia Law School, George Mason University
Jamil N. Jaffer is the Founder and Executive Director of the National Security Institute at the Antonin Scalia Law School at George Mason University where he also serves as an Assistant Professor of Law, Director of the National Security Law and Policy Program, and Director of the Cyber, Intelligence, and National Security LLM Program. Jamil also teaches classes on counterterrorism, intelligence, surveillance, cybersecurity, and other national security matters, as well as a summer course held abroad with U.S. Supreme Court Justice Neil M. Gorsuch. Jamil is also affiliated with Stanford University’s Center for International Security and Cooperation and previously served as a Visiting Fellow at the Hoover Institution from 2016 to 2019.
Jamil is also a Venture Partner with Paladin Capital Group, where he assists the firm with investments across the full range of its themes and theses, including a focus on dual-use national security technologies. Jamil also serves on the board of directors of RangeForce, a cybersecurity training and readiness platform startup and Tozny, a digital identity startup, and on the advisory boards of U.S. Strategic Metals, North America’s largest primary producer of cobalt, a critical mineral used in EV batteries, aerospace, and other national security applications; and Constella Intelligence, a deep and dark web intelligence startup. Jamil also serves as an advisor to Beacon Global Strategies, a strategic advisory firm and Duco, a technology platform startup that connects corporations with geopolitical and international business experts. Jamil is also the managing director of Trigraph Caveat Capital, a private investment vehicle.
Among other things, Jamil currently serves on the Board of Directors for the Greater Washington Board of Trade, the Board of Advisors for the Global Cyber Alliance, and the Advisory Board of the Foundation for the Defense of Democracies’ Center on Cyber and Tech Innovation, the Executive Committee of the Reagan Institute Strategy Group. Jamil is also a Fellow at the Academy for Judaic, Christian, and Islamic Studies, an advisor to the Concordia Summit, and is a member of the Board of Directors for the Center for Intelligence Policy, the Board of Directors of Speech First, and the Executive Committee of the International Law and National Security Practice Group of the Federalist Society.
Immediately prior to his current positions, from 2015-2021, Jamil served as a senior business leader at IronNet Cybersecurity, helping take the company from a bootstrapped first-year technology products startup through two rounds of venture capital fundraising, growing from 40 employees to over 300, and through its listing on New York Stock Exchange. In his role as IronNet's Senior Vice President for Strategy, Partnerships & Corporate Development, Jamil worked directly for the co-CEOs of the company, Gen (ret.) Keith B. Alexander, the former Director of the National Security Agency and Founding Commander of U.S. Cyber Command, and Bill Welch, the former COO of Zscaler and Duo; in that role, Jamil led all of the company’s strategic and technology partnership efforts, including developing go-to-market and technology integration plans with some of the largest cloud platforms and cybersecurity companies in the market, evaluating potential acquisition targets, and developing overall corporate strategy and thought leadership around collective security and collaborative defense in the cyber arena.
Prior to his time at IronNet, Jamil served on the leadership team of the Senate Foreign Relations Committee as Chief Counsel and Senior Advisor under Chairman Bob Corker (R-TN), where he worked on key national security and foreign policy issues, including leading the drafting of the proposed Authorization for the Use of Military Force against ISIS in 2014 and 2015, the AUMF against Syria in 2013, and revisions to the 9/11 AUMF against al Qaeda. Jamil was also the lead architect of the Iran Nuclear Agreement Review Act and two sanctions laws against Russia for its first intervention in Ukraine.
Prior to joining SFRC, Jamil served as Senior Counsel to the House Permanent Select Committee on Intelligence under Chairman Mike Rogers (R-MI) where he led the committee’s oversight of NSA surveillance, NRO intelligence issues, and NGA analytic and collection matters, as well as intelligence community-wide counterterrorism issues. Jamil was also the lead architect of the Cyber Intelligence Sharing and Protection Act, the nation’s first cyber threat intelligence sharing legislation that was signed into law in 2015.
In the Bush Administration, Jamil served in the White House as an Associate Counsel to the President, handling Defense Department, State Department, and intelligence community matters, and serving as one of the White House Counsel’s primary representatives to the National Security Council Deputies Committee.
Prior to the White House, Jamil served on the leadership team of the Justice Department’s National Security Division as Counsel to the Assistant Attorney General for National Security, where he focused on counterterrorism and intelligence matters. At NSD, Jamil helped lead the division’s work on In re: Directives, the first ever two-party litigated matter in the FISA Court and the second case before the FISA Court of Review in its 30-year history. Jamil also led NSD’s efforts on the President’s Comprehensive National Cybersecurity Initiative (CNCI), including the drafting of NSPD-54/HSPD-23, and related classified matters, and advised the National Security Agency (NSA) and U.S. Cyber Command’s predecessor organization, the Joint Function Component Command for Network Warfare (JFCC-NW), on matters related to cyber intelligence collection and offensive cyber activities. For his work on these matters, Jamil was awarded the Assistant Attorney General’s Award for Special Initiative and was among the group of lawyers awarded the Director of National Intelligence’s 2008 Legal Award (Team of the Year – Cyber Legal).
Jamil also served in other positions in the Justice Department, including in the Office of Legal Policy, where he worked on the confirmations of Chief Justice John G. Roberts, Jr. and Justice Samuel A. Alito, Jr. to the United States Supreme Court.
Jamil also served as a lawyer in private practice at Kellogg Huber, a Washington, DC-based litigation boutique, as a policy advisor to Congressman Bob Goodlatte (R-VA), and as a staff member or senior advisor on a number of political campaigns, including two presidential campaigns and a presidential transition team. While in law school, Jamil was a member of the University of Chicago Law Review, managing editor of the Chicago Journal of International Law, and National Symposium Editor of the Harvard Journal of Law & Public Policy. Following law school, Jamil served as a law clerk to Judge Edith H. Jones of the United States Court of Appeals for the Fifth Circuit and, later in his career, as a law clerk to then-Judge Neil M. Gorsuch when he first joined the United States Court of Appeals for the Tenth Circuit as well as a law clerk to Justice Neil Gorsuch when he joined the U.S. Supreme Court.
Jamil has published multiple op-eds and academic articles on national security, foreign policy, cybersecurity, counterterrorism, encryption, and intelligence matters, and is the co-author of a book chapter with former NSA Director Gen. (Ret.) Keith B. Alexander on national security and the press in National Security, Leaks, and the Freedom of the Press: The Pentagon Papers Fifty Years On (2021) and a book chapter with former CIA Director Gen. (ret.) Mike Hayden on ISIS, al Qaeda, and other international terrorist groups in Choosing to Lead: American Foreign Policy for a Disordered World (2015). Jamil has also written book chapters on cybersecurity and surveillance, as well as op-eds and policy papers with former Attorney General Michael B. Mukasey, former National Counterterrorism Center Director Matt Olsen, and Congressman Mike Waltz (R-FL), among others.
Jamil has previously taught graduate-level courses in intelligence law and policy at George Washington University’s Elliott School of International Affairs and the National Intelligence University, served an outside advisor to the Cyberspace Solarium Commission, and has recently testified before committees of the U.S. Senate and House of Representatives on China, cybersecurity, counterterrorism, and other national security matters. Jamil has also recently appeared on a range of national television and radio outlets including CNN, Fox News, Fox Business, MSNBC, Bloomberg, PBS, Voice of America, and National Public Radio, and in various print and online publications, including the Wall Street Journal, New York Times, and the Washington Post on a range of national security matters including cybersecurity, counterterrorism, surveillance, encryption, privacy, and foreign policy issues.
Jamil holds degrees from UCLA (BA, cum laude), the University of Chicago Law School (JD, with honors), and the United States Naval War College (MA, with distinction).
Professor of Law, Roger Williams University School of Law
As an expert in National Security Law, Professor Peter Margulies focuses on the delicate balance between liberty, equality, and security in issues involving law and terrorism. Professor Margulies has written almost a dozen articles discussing the War on Terror. He currently works with RWU Law Professor Jared Goldstein, along with litigators from the law firm Edwards Angell Palmer & Dodge, in representing two Afghan detainees. Professor Margulies led a national conference entitled “Legal Dilemmas in A Dangerous World: Law, Terrorism and National Security” held at RWU.
Professor Margulies also has an extensive background in immigration law and has represented Haitian refugees and conducted outreach to community legal service providers.
Peter Marguiles teaches Immigration Law, National Security Law and Professional Responsibility. He has filed amicus briefs in high-visibility cases with the U.S. Supreme Court and has been frequently cited in the New York Times, the National Law Journal and other media outlets.
Founder and CEO, Lexpat Global Services
Adam Pearlman is the Founder and Chief Executive Officer of Lexpat Global Services. He is a National Security Law expert and a proven senior leader with experience across the U.S. Departments of Justice, Defense, and State, in the White House, and with the U.S. Federal Judiciary.
Before founding Lexpat, Mr. Pearlman served as the Senior Advisor for Legal Policy in the State Department’s Bureau of Counterterrorism. There, he counseled senior officials on matters covering the entire spectrum of programs and operations to counter terrorism and violent extremism. While participating in sensitive diplomatic engagements and helping to coordinate military operations, he also advised in the development of sanctions policy and initiatives to build legal and operational capacity in partner nations. Mr. Pearlman also managed the Bureau’s participation in federal litigation and led U.S. delegations in multilateral forums concerning criminal justice and rule of law. Separately, Mr. Pearlman supported the State Department’s Bureau of International Narcotics and Law Enforcement Affairs (INL) as the contracted Senior Justice and Rule of Law Advisor in Cabo Verde, Africa. There he was the chief implementer of a Foreign Assistance program that grew eight-fold during his tenure, building host nation capacity across the law enforcement, justice sector, rule of law, anti-money laundering, and corrections disciplines.
A former Associate Deputy General Counsel of the Department of Defense, Mr. Pearlman was agency counsel for complex civil and criminal national security matters in federal and military courts. He also led the Supreme Court and appellate unit of the team dedicated to litigating classified counterterrorism cases. His earlier service in the Department of Justice spanned four litigating divisions and the Office of the Deputy Attorney General. His diverse experience included reviewing complex international transactions and mergers, and advising on immigration removal proceedings, human rights abuses, and terrorist financing investigations. Mr. Pearlman also served with distinction in Iraq as an early advisor to the Iraqi High Tribunal’s prosecution of Saddam Hussein. He was a law clerk for The Honorable Royce C. Lamberth of the U.S. District Court for the District of Columbia, and during law school interned in the White House Counsel’s Office.
Mr. Pearlman is a Senior Fellow at the National Security Institute at George Mason University’s Antonin Scalia Law School, a member of the American Bar Association’s Advisory Committee on Law and National Security, and the Editor-in-Chief of the U.S. Intelligence Community Law Sourcebook. Previously, he has been a Term Member of the Council on Foreign Relations, National Security Fellow at the Foundation for Defense of Democracies, member of the ABA’s Africa Law Initiative Council and of the Center for Strategic & International Studies’ (CSIS) Project on Nuclear Issues, vice chairman of the ABA Section of International Law’s committees on national security, and aerospace and defense, and a liaison to the Board of Directors of the ABA’s Rule of Law Initiative. He has published articles in the Harvard National Security Journal, Stanford Law & Policy Review, Intelligence & National Security, The Foreign Service Journal, Lawfare, and many other outlets.
Mr. Pearlman earned his B.A., with honors, from UCLA, and his J.D., with honors, from The George Washington University Law School, where he was a member of the International Law Review. He also earned a Master of Science of Strategic Intelligence degree from the National Intelligence University, where he was the inaugural recipient of the Kornblum Award for national security law and ethics. Mr. Pearlman is a Certified Financial Crime Specialist and holds certificates in international human rights law from the University of Oxford and in anti-corruption law from American University’s Washington College of Law. He is admitted to the State Bars of California and Virginia, as well as to the Bar of the United States Supreme Court. He speaks and reads Portuguese at the intermediate level.
Fellow, National Security Institute, Antonin Scalia Law School, George Mason University
Vince Vitkowsky chaired the Executive Committee of the Federalist Society’s International and National Security Law and Policy Practice Group for over a decade. He is also a Fellow at the National Security Institute of George Mason University Law School. Vince spent 45 years in private practice, primarily in AmLaw 100/200 firms and their spin-offs. His practice included domestic and international commercial arbitration and litigation, as well as cyber risks and liabilities. Vince's current focus is on national security policy, artificial intelligence, cybersecurity, and counterterrorism. He has often written and spoken on national security and other public policy issues. Among other affiliations, Vince has been an Adjunct Fellow at the Center for Law and Counterterrorism of the Foundation for the Defense of Democracies, a member of the Executive Committee of the American Branch of the International Law Association, and Co-Chair of the Committee on Interventions and Trial Observations of the International Bar Association’s Human Rights Institute. He received his B.A. from Northwestern University and his J.D. from Cornell Law School.
Executive Vice President, Chief Legal Officer, Gates Corporation
Matthew R. A. Heiman joined the Company in May 2026 and has served as the Company’s Chief Legal Officer and Corporate Secretary since June 2026. As Chief Legal Officer, Mr. Heiman is responsible for all legal functions for Gates, including securities and corporate governance, M&A, litigation, commercial, regulatory, compliance, patents and trademarks, real estate, employment and labor, sustainability and environmental matters. Prior to joining Gates, Mr. Heiman held senior legal leadership roles at Waystar, where he served as Chief Legal & Administrative Officer from 2023 to 2025 and as General Counsel and Corporate Secretary from 2020 to 2023. Prior to that, he was with Johnson Controls, where he served as Vice President, Corporate Secretary, and Associate General Counsel. Mr. Heiman has been a Senior Fellow for the National Security Institute at George Mason University’s Antonin Scalia School of Law since 2018.
Founder and Executive Director, National Security Institute; Assistant Professor of Law, Antonin Scalia Law School, George Mason University
Jamil N. Jaffer is the Founder and Executive Director of the National Security Institute at the Antonin Scalia Law School at George Mason University where he also serves as an Assistant Professor of Law, Director of the National Security Law and Policy Program, and Director of the Cyber, Intelligence, and National Security LLM Program. Jamil also teaches classes on counterterrorism, intelligence, surveillance, cybersecurity, and other national security matters, as well as a summer course held abroad with U.S. Supreme Court Justice Neil M. Gorsuch. Jamil is also affiliated with Stanford University’s Center for International Security and Cooperation and previously served as a Visiting Fellow at the Hoover Institution from 2016 to 2019.
Jamil is also a Venture Partner with Paladin Capital Group, where he assists the firm with investments across the full range of its themes and theses, including a focus on dual-use national security technologies. Jamil also serves on the board of directors of RangeForce, a cybersecurity training and readiness platform startup and Tozny, a digital identity startup, and on the advisory boards of U.S. Strategic Metals, North America’s largest primary producer of cobalt, a critical mineral used in EV batteries, aerospace, and other national security applications; and Constella Intelligence, a deep and dark web intelligence startup. Jamil also serves as an advisor to Beacon Global Strategies, a strategic advisory firm and Duco, a technology platform startup that connects corporations with geopolitical and international business experts. Jamil is also the managing director of Trigraph Caveat Capital, a private investment vehicle.
Among other things, Jamil currently serves on the Board of Directors for the Greater Washington Board of Trade, the Board of Advisors for the Global Cyber Alliance, and the Advisory Board of the Foundation for the Defense of Democracies’ Center on Cyber and Tech Innovation, the Executive Committee of the Reagan Institute Strategy Group. Jamil is also a Fellow at the Academy for Judaic, Christian, and Islamic Studies, an advisor to the Concordia Summit, and is a member of the Board of Directors for the Center for Intelligence Policy, the Board of Directors of Speech First, and the Executive Committee of the International Law and National Security Practice Group of the Federalist Society.
Immediately prior to his current positions, from 2015-2021, Jamil served as a senior business leader at IronNet Cybersecurity, helping take the company from a bootstrapped first-year technology products startup through two rounds of venture capital fundraising, growing from 40 employees to over 300, and through its listing on New York Stock Exchange. In his role as IronNet's Senior Vice President for Strategy, Partnerships & Corporate Development, Jamil worked directly for the co-CEOs of the company, Gen (ret.) Keith B. Alexander, the former Director of the National Security Agency and Founding Commander of U.S. Cyber Command, and Bill Welch, the former COO of Zscaler and Duo; in that role, Jamil led all of the company’s strategic and technology partnership efforts, including developing go-to-market and technology integration plans with some of the largest cloud platforms and cybersecurity companies in the market, evaluating potential acquisition targets, and developing overall corporate strategy and thought leadership around collective security and collaborative defense in the cyber arena.
Prior to his time at IronNet, Jamil served on the leadership team of the Senate Foreign Relations Committee as Chief Counsel and Senior Advisor under Chairman Bob Corker (R-TN), where he worked on key national security and foreign policy issues, including leading the drafting of the proposed Authorization for the Use of Military Force against ISIS in 2014 and 2015, the AUMF against Syria in 2013, and revisions to the 9/11 AUMF against al Qaeda. Jamil was also the lead architect of the Iran Nuclear Agreement Review Act and two sanctions laws against Russia for its first intervention in Ukraine.
Prior to joining SFRC, Jamil served as Senior Counsel to the House Permanent Select Committee on Intelligence under Chairman Mike Rogers (R-MI) where he led the committee’s oversight of NSA surveillance, NRO intelligence issues, and NGA analytic and collection matters, as well as intelligence community-wide counterterrorism issues. Jamil was also the lead architect of the Cyber Intelligence Sharing and Protection Act, the nation’s first cyber threat intelligence sharing legislation that was signed into law in 2015.
In the Bush Administration, Jamil served in the White House as an Associate Counsel to the President, handling Defense Department, State Department, and intelligence community matters, and serving as one of the White House Counsel’s primary representatives to the National Security Council Deputies Committee.
Prior to the White House, Jamil served on the leadership team of the Justice Department’s National Security Division as Counsel to the Assistant Attorney General for National Security, where he focused on counterterrorism and intelligence matters. At NSD, Jamil helped lead the division’s work on In re: Directives, the first ever two-party litigated matter in the FISA Court and the second case before the FISA Court of Review in its 30-year history. Jamil also led NSD’s efforts on the President’s Comprehensive National Cybersecurity Initiative (CNCI), including the drafting of NSPD-54/HSPD-23, and related classified matters, and advised the National Security Agency (NSA) and U.S. Cyber Command’s predecessor organization, the Joint Function Component Command for Network Warfare (JFCC-NW), on matters related to cyber intelligence collection and offensive cyber activities. For his work on these matters, Jamil was awarded the Assistant Attorney General’s Award for Special Initiative and was among the group of lawyers awarded the Director of National Intelligence’s 2008 Legal Award (Team of the Year – Cyber Legal).
Jamil also served in other positions in the Justice Department, including in the Office of Legal Policy, where he worked on the confirmations of Chief Justice John G. Roberts, Jr. and Justice Samuel A. Alito, Jr. to the United States Supreme Court.
Jamil also served as a lawyer in private practice at Kellogg Huber, a Washington, DC-based litigation boutique, as a policy advisor to Congressman Bob Goodlatte (R-VA), and as a staff member or senior advisor on a number of political campaigns, including two presidential campaigns and a presidential transition team. While in law school, Jamil was a member of the University of Chicago Law Review, managing editor of the Chicago Journal of International Law, and National Symposium Editor of the Harvard Journal of Law & Public Policy. Following law school, Jamil served as a law clerk to Judge Edith H. Jones of the United States Court of Appeals for the Fifth Circuit and, later in his career, as a law clerk to then-Judge Neil M. Gorsuch when he first joined the United States Court of Appeals for the Tenth Circuit as well as a law clerk to Justice Neil Gorsuch when he joined the U.S. Supreme Court.
Jamil has published multiple op-eds and academic articles on national security, foreign policy, cybersecurity, counterterrorism, encryption, and intelligence matters, and is the co-author of a book chapter with former NSA Director Gen. (Ret.) Keith B. Alexander on national security and the press in National Security, Leaks, and the Freedom of the Press: The Pentagon Papers Fifty Years On (2021) and a book chapter with former CIA Director Gen. (ret.) Mike Hayden on ISIS, al Qaeda, and other international terrorist groups in Choosing to Lead: American Foreign Policy for a Disordered World (2015). Jamil has also written book chapters on cybersecurity and surveillance, as well as op-eds and policy papers with former Attorney General Michael B. Mukasey, former National Counterterrorism Center Director Matt Olsen, and Congressman Mike Waltz (R-FL), among others.
Jamil has previously taught graduate-level courses in intelligence law and policy at George Washington University’s Elliott School of International Affairs and the National Intelligence University, served an outside advisor to the Cyberspace Solarium Commission, and has recently testified before committees of the U.S. Senate and House of Representatives on China, cybersecurity, counterterrorism, and other national security matters. Jamil has also recently appeared on a range of national television and radio outlets including CNN, Fox News, Fox Business, MSNBC, Bloomberg, PBS, Voice of America, and National Public Radio, and in various print and online publications, including the Wall Street Journal, New York Times, and the Washington Post on a range of national security matters including cybersecurity, counterterrorism, surveillance, encryption, privacy, and foreign policy issues.
Jamil holds degrees from UCLA (BA, cum laude), the University of Chicago Law School (JD, with honors), and the United States Naval War College (MA, with distinction).
Professor of Law, Roger Williams University School of Law
As an expert in National Security Law, Professor Peter Margulies focuses on the delicate balance between liberty, equality, and security in issues involving law and terrorism. Professor Margulies has written almost a dozen articles discussing the War on Terror. He currently works with RWU Law Professor Jared Goldstein, along with litigators from the law firm Edwards Angell Palmer & Dodge, in representing two Afghan detainees. Professor Margulies led a national conference entitled “Legal Dilemmas in A Dangerous World: Law, Terrorism and National Security” held at RWU.
Professor Margulies also has an extensive background in immigration law and has represented Haitian refugees and conducted outreach to community legal service providers.
Peter Marguiles teaches Immigration Law, National Security Law and Professional Responsibility. He has filed amicus briefs in high-visibility cases with the U.S. Supreme Court and has been frequently cited in the New York Times, the National Law Journal and other media outlets.
Founder and CEO, Lexpat Global Services
Adam Pearlman is the Founder and Chief Executive Officer of Lexpat Global Services. He is a National Security Law expert and a proven senior leader with experience across the U.S. Departments of Justice, Defense, and State, in the White House, and with the U.S. Federal Judiciary.
Before founding Lexpat, Mr. Pearlman served as the Senior Advisor for Legal Policy in the State Department’s Bureau of Counterterrorism. There, he counseled senior officials on matters covering the entire spectrum of programs and operations to counter terrorism and violent extremism. While participating in sensitive diplomatic engagements and helping to coordinate military operations, he also advised in the development of sanctions policy and initiatives to build legal and operational capacity in partner nations. Mr. Pearlman also managed the Bureau’s participation in federal litigation and led U.S. delegations in multilateral forums concerning criminal justice and rule of law. Separately, Mr. Pearlman supported the State Department’s Bureau of International Narcotics and Law Enforcement Affairs (INL) as the contracted Senior Justice and Rule of Law Advisor in Cabo Verde, Africa. There he was the chief implementer of a Foreign Assistance program that grew eight-fold during his tenure, building host nation capacity across the law enforcement, justice sector, rule of law, anti-money laundering, and corrections disciplines.
A former Associate Deputy General Counsel of the Department of Defense, Mr. Pearlman was agency counsel for complex civil and criminal national security matters in federal and military courts. He also led the Supreme Court and appellate unit of the team dedicated to litigating classified counterterrorism cases. His earlier service in the Department of Justice spanned four litigating divisions and the Office of the Deputy Attorney General. His diverse experience included reviewing complex international transactions and mergers, and advising on immigration removal proceedings, human rights abuses, and terrorist financing investigations. Mr. Pearlman also served with distinction in Iraq as an early advisor to the Iraqi High Tribunal’s prosecution of Saddam Hussein. He was a law clerk for The Honorable Royce C. Lamberth of the U.S. District Court for the District of Columbia, and during law school interned in the White House Counsel’s Office.
Mr. Pearlman is a Senior Fellow at the National Security Institute at George Mason University’s Antonin Scalia Law School, a member of the American Bar Association’s Advisory Committee on Law and National Security, and the Editor-in-Chief of the U.S. Intelligence Community Law Sourcebook. Previously, he has been a Term Member of the Council on Foreign Relations, National Security Fellow at the Foundation for Defense of Democracies, member of the ABA’s Africa Law Initiative Council and of the Center for Strategic & International Studies’ (CSIS) Project on Nuclear Issues, vice chairman of the ABA Section of International Law’s committees on national security, and aerospace and defense, and a liaison to the Board of Directors of the ABA’s Rule of Law Initiative. He has published articles in the Harvard National Security Journal, Stanford Law & Policy Review, Intelligence & National Security, The Foreign Service Journal, Lawfare, and many other outlets.
Mr. Pearlman earned his B.A., with honors, from UCLA, and his J.D., with honors, from The George Washington University Law School, where he was a member of the International Law Review. He also earned a Master of Science of Strategic Intelligence degree from the National Intelligence University, where he was the inaugural recipient of the Kornblum Award for national security law and ethics. Mr. Pearlman is a Certified Financial Crime Specialist and holds certificates in international human rights law from the University of Oxford and in anti-corruption law from American University’s Washington College of Law. He is admitted to the State Bars of California and Virginia, as well as to the Bar of the United States Supreme Court. He speaks and reads Portuguese at the intermediate level.
Fellow, National Security Institute, Antonin Scalia Law School, George Mason University
Vince Vitkowsky chaired the Executive Committee of the Federalist Society’s International and National Security Law and Policy Practice Group for over a decade. He is also a Fellow at the National Security Institute of George Mason University Law School. Vince spent 45 years in private practice, primarily in AmLaw 100/200 firms and their spin-offs. His practice included domestic and international commercial arbitration and litigation, as well as cyber risks and liabilities. Vince's current focus is on national security policy, artificial intelligence, cybersecurity, and counterterrorism. He has often written and spoken on national security and other public policy issues. Among other affiliations, Vince has been an Adjunct Fellow at the Center for Law and Counterterrorism of the Foundation for the Defense of Democracies, a member of the Executive Committee of the American Branch of the International Law Association, and Co-Chair of the Committee on Interventions and Trial Observations of the International Bar Association’s Human Rights Institute. He received his B.A. from Northwestern University and his J.D. from Cornell Law School.
Founder and CEO, Lexpat Global Services
Adam Pearlman is the Founder and Chief Executive Officer of Lexpat Global Services. He is a National Security Law expert and a proven senior leader with experience across the U.S. Departments of Justice, Defense, and State, in the White House, and with the U.S. Federal Judiciary.
Before founding Lexpat, Mr. Pearlman served as the Senior Advisor for Legal Policy in the State Department’s Bureau of Counterterrorism. There, he counseled senior officials on matters covering the entire spectrum of programs and operations to counter terrorism and violent extremism. While participating in sensitive diplomatic engagements and helping to coordinate military operations, he also advised in the development of sanctions policy and initiatives to build legal and operational capacity in partner nations. Mr. Pearlman also managed the Bureau’s participation in federal litigation and led U.S. delegations in multilateral forums concerning criminal justice and rule of law. Separately, Mr. Pearlman supported the State Department’s Bureau of International Narcotics and Law Enforcement Affairs (INL) as the contracted Senior Justice and Rule of Law Advisor in Cabo Verde, Africa. There he was the chief implementer of a Foreign Assistance program that grew eight-fold during his tenure, building host nation capacity across the law enforcement, justice sector, rule of law, anti-money laundering, and corrections disciplines.
A former Associate Deputy General Counsel of the Department of Defense, Mr. Pearlman was agency counsel for complex civil and criminal national security matters in federal and military courts. He also led the Supreme Court and appellate unit of the team dedicated to litigating classified counterterrorism cases. His earlier service in the Department of Justice spanned four litigating divisions and the Office of the Deputy Attorney General. His diverse experience included reviewing complex international transactions and mergers, and advising on immigration removal proceedings, human rights abuses, and terrorist financing investigations. Mr. Pearlman also served with distinction in Iraq as an early advisor to the Iraqi High Tribunal’s prosecution of Saddam Hussein. He was a law clerk for The Honorable Royce C. Lamberth of the U.S. District Court for the District of Columbia, and during law school interned in the White House Counsel’s Office.
Mr. Pearlman is a Senior Fellow at the National Security Institute at George Mason University’s Antonin Scalia Law School, a member of the American Bar Association’s Advisory Committee on Law and National Security, and the Editor-in-Chief of the U.S. Intelligence Community Law Sourcebook. Previously, he has been a Term Member of the Council on Foreign Relations, National Security Fellow at the Foundation for Defense of Democracies, member of the ABA’s Africa Law Initiative Council and of the Center for Strategic & International Studies’ (CSIS) Project on Nuclear Issues, vice chairman of the ABA Section of International Law’s committees on national security, and aerospace and defense, and a liaison to the Board of Directors of the ABA’s Rule of Law Initiative. He has published articles in the Harvard National Security Journal, Stanford Law & Policy Review, Intelligence & National Security, The Foreign Service Journal, Lawfare, and many other outlets.
Mr. Pearlman earned his B.A., with honors, from UCLA, and his J.D., with honors, from The George Washington University Law School, where he was a member of the International Law Review. He also earned a Master of Science of Strategic Intelligence degree from the National Intelligence University, where he was the inaugural recipient of the Kornblum Award for national security law and ethics. Mr. Pearlman is a Certified Financial Crime Specialist and holds certificates in international human rights law from the University of Oxford and in anti-corruption law from American University’s Washington College of Law. He is admitted to the State Bars of California and Virginia, as well as to the Bar of the United States Supreme Court. He speaks and reads Portuguese at the intermediate level.
Chairman, Ridge Global, Former First Secretary, U.S. Department, Former Governor of Pennsylvania
Gov. Tom Ridge is Chairman of Ridge Global. He provides clients with solutions to cyber security, international security and risk management issues. Following the tragic events of September 11th, 2001, Gov. Tom Ridge became the first Assistant to the President for Homeland Security and, on January 24, 2003, became the first Secretary of the U.S. Department of Homeland Security. The creation of the country's 15th Cabinet Department marked the largest reorganization of government since the Truman administration and another call to service for the former soldier, congressman and governor of Pennsylvania. During his DHS tenure, Secretary Ridge worked with more than 180,000 employees from a combined 22 agencies to create an agency that facilitated the flow of people and goods, instituted layered security at air, land and seaports, developed a unified national response and recovery plan, protected critical infrastructure, integrated new technology and improved information sharing worldwide. Gov. Tom Ridge served as Secretary of this historic and critical endeavor until February 1, 2005. Before the events of September 11th, Gov. Tom Ridge was twice elected Governor of Pennsylvania. He served as the state's 43rd governor from 1995 to 2001. Gov. Ridge's aggressive technology strategy helped fuel the state's advances in economic development, education, health care and the environment. He serves on the boards of the Institute for Defense Analyses, the Center for the Study of the Presidency and Congress and other private and public entities. He is currently chairman of the U.S. Chamber of Commerce's National Security Task Force. He graduated from Harvard with honors. After his first year at Penn State University's Dickinson School of Law, he was drafted into the U.S. Army, where he served as an infantry staff sergeant in Vietnam, earning the Bronze Star for Valor, the Combat Infantry Badge and the Vietnamese Cross of Gallantry. After returning to Pennsylvania and to Dickinson, he earned his law degree and, later, became one of the first Vietnam combat veterans elected to the U.S. House of Representatives, where he served six terms.
Partner, The Gardner Law Firm
David F. Barton has extensive experience in environmental, government and government contract, and corporate law. He joined The Gardner Law Firm in 1996 after serving as a United States Air Force JAG officer as well as having six years of private practice with firms in Texas. Mr. Barton counsels clients in environmental matters, government contracts, regulatory compliance, commercial law, and litigation related to those areas. He represents industries, businesses and government units on matters involving water, air, solid and hazardous waste, toxins, wetlands, endangered species, historic preservation, NEPA, Superfund, and federal and state court litigation in those areas. He has taught courses in criminal law, litigation, administration of justice and environmental crimes at several universities throughout the United States, and he has been a guest speaker at environmental law and government contract seminars. Mr. Barton has been licensed to practice in Texas since 1991, and is also licensed in Arkansas. He is admitted to practice before the United States Supreme Court, the United States Court of Federal Claims, the United States Court of Military Appeals, and several United States Circuit Courts of Appeals and United States District Courts. He is a member of the State Bar of Texas (Environmental & Natural Resources Section, among others); College of the State Bar of Texas, the Arkansas Bar Association, the Arkansas Bar Foundation (Fellow), the Association of Trial Lawyers of America, and the San Antonio Bar Association (Environmental Section). He is also an active participant in the San Antonio Manufacturers Association, the Alamo Area Chapter - Air & Waste Management Association, and Citizens Advisory Panel of the San Antonio Water System.
University of Arkansas, J.D., 1975; Central Methodist College; University of Missouri at Columbia, B.A., 1967
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