Executive Assistant United States Attorney
District Judge, United States District Court, Northern District of Texas
Matthew J. Kacsmaryk serves as United States District Judge for the Northern District of Texas.
He previously served in the (1) private, (2) government, and (3) nonprofit sectors:
Judge Kacsmaryk is an Honors graduate of the University of Texas Law School, where he joined the Federalist Society and served as an Executive Editor of the Texas Review of Law & Politics. Judge Kacsmaryk co-founded the Fort Worth Lawyers Chapter in 2012, coordinated the 2018 Texas Chapters Conference hosted by the Fort Worth Lawyers Chapter, and presently serves on its Advisory Board.
Acting United States Attorney, Northern District of Texas
Nancy E. Larson was appointed Acting United States Attorney for the Northern District of Texas on May 29, 2025.
She is the chief federal law enforcement officer for the district, which covers 96,000 square miles and a population of approximately eight million. Ms. Larson oversees roughly 220 attorneys and staff across five division offices and is responsible for all federal criminal prosecutions and civil litigation involving the United States government in the region.
Ms. Larson has served as an Assistant United States Attorney for more than 30 years. She began her career with the Department of Justice in the District of Columbia, serving as a federal prosecutor in the D.C. United States Attorney’s Office. There, she led successful prosecutions involving homicide, narcotics, violent crime, fraud, and other offenses.
In 1999, Ms. Larson joined the Northern District of Texas as the lead prosecutor for the Housing Fraud Initiative. After serving in the Criminal Division, Ms. Larson was named the Chief of the Appellate Division. She served in that role for over a decade and regularly appeared before the Fifth Circuit on behalf of the United States. Ms. Larson also has served as the district’s Executive Assistant United States Attorney and its Professional Responsibility Officer. Ms. Larson is an accomplished trial lawyer, having represented the United States in more than two dozen criminal trials. During her career, Ms. Larson received numerous awards for her service and leadership.
Ms. Larson is a native of New York and received her J.D. from the University of Virginia School of Law. Ms. Larson’s father, whose father and grandfather served on the NYPD, was a career Special Agent in IRS Criminal Investigations. Her family’s legacy in law enforcement instilled in her a devotion to public service and the cause of justice.
U.S. District Court for the Northern District of Texas
Reed Charles O'Connor is a federal judge on the United States District Court for the Northern District of Texas. He joined the court in 2007 after being nominated by President George W. Bush.
A native of Houston, Texas, O'Connor graduated from the University of Houston with his bachelor's degree in 1986 and from South Texas College of Law with his J.D. in 1989.
District Judge, United States District Court for the Northern District of Texas
Judge Brantley Starr was appointed to United States District Court for the Northern District of Texas in August 2019. Before his appointment, Judge Starr was the Deputy First Assistant Attorney General of Texas. Prior to that appointment, he served as Deputy Attorney General for Legal Counsel. From 2011 to 2015, Judge Starr served as career staff attorney to Texas Supreme Court Justice Eva Guzman. From 2008 to 2011, he practiced at King & Spalding, LLP. He served in the Office of the Solicitor General from 2006 to 2008. Prior to that, Judge Starr clerked for then-Justice Don Willett on the Texas Supreme Court after serving at the Office of the Attorney General. Judge Starr received his law degree from the University of Texas School of Law and his bachelor of arts degree from Abilene Christian University in 2001. Judge Starr has taught the Origins of the Constitution Class at the University of Texas law, Texas A&M law, and SMU law.
District Judge, United States District Court, Northern District of Texas
Matthew J. Kacsmaryk serves as United States District Judge for the Northern District of Texas.
He previously served in the (1) private, (2) government, and (3) nonprofit sectors:
Judge Kacsmaryk is an Honors graduate of the University of Texas Law School, where he joined the Federalist Society and served as an Executive Editor of the Texas Review of Law & Politics. Judge Kacsmaryk co-founded the Fort Worth Lawyers Chapter in 2012, coordinated the 2018 Texas Chapters Conference hosted by the Fort Worth Lawyers Chapter, and presently serves on its Advisory Board.
Acting United States Attorney, Northern District of Texas
Nancy E. Larson was appointed Acting United States Attorney for the Northern District of Texas on May 29, 2025.
She is the chief federal law enforcement officer for the district, which covers 96,000 square miles and a population of approximately eight million. Ms. Larson oversees roughly 220 attorneys and staff across five division offices and is responsible for all federal criminal prosecutions and civil litigation involving the United States government in the region.
Ms. Larson has served as an Assistant United States Attorney for more than 30 years. She began her career with the Department of Justice in the District of Columbia, serving as a federal prosecutor in the D.C. United States Attorney’s Office. There, she led successful prosecutions involving homicide, narcotics, violent crime, fraud, and other offenses.
In 1999, Ms. Larson joined the Northern District of Texas as the lead prosecutor for the Housing Fraud Initiative. After serving in the Criminal Division, Ms. Larson was named the Chief of the Appellate Division. She served in that role for over a decade and regularly appeared before the Fifth Circuit on behalf of the United States. Ms. Larson also has served as the district’s Executive Assistant United States Attorney and its Professional Responsibility Officer. Ms. Larson is an accomplished trial lawyer, having represented the United States in more than two dozen criminal trials. During her career, Ms. Larson received numerous awards for her service and leadership.
Ms. Larson is a native of New York and received her J.D. from the University of Virginia School of Law. Ms. Larson’s father, whose father and grandfather served on the NYPD, was a career Special Agent in IRS Criminal Investigations. Her family’s legacy in law enforcement instilled in her a devotion to public service and the cause of justice.
U.S. District Court for the Northern District of Texas
Reed Charles O'Connor is a federal judge on the United States District Court for the Northern District of Texas. He joined the court in 2007 after being nominated by President George W. Bush.
A native of Houston, Texas, O'Connor graduated from the University of Houston with his bachelor's degree in 1986 and from South Texas College of Law with his J.D. in 1989.
District Judge, United States District Court for the Northern District of Texas
Judge Brantley Starr was appointed to United States District Court for the Northern District of Texas in August 2019. Before his appointment, Judge Starr was the Deputy First Assistant Attorney General of Texas. Prior to that appointment, he served as Deputy Attorney General for Legal Counsel. From 2011 to 2015, Judge Starr served as career staff attorney to Texas Supreme Court Justice Eva Guzman. From 2008 to 2011, he practiced at King & Spalding, LLP. He served in the Office of the Solicitor General from 2006 to 2008. Prior to that, Judge Starr clerked for then-Justice Don Willett on the Texas Supreme Court after serving at the Office of the Attorney General. Judge Starr received his law degree from the University of Texas School of Law and his bachelor of arts degree from Abilene Christian University in 2001. Judge Starr has taught the Origins of the Constitution Class at the University of Texas law, Texas A&M law, and SMU law.
Partner, Holtzman Vogel
Kellen is an experienced trial and appellate lawyer who litigates criminal, civil, and regulatory cases in a variety of areas, including cybersecurity & privacy, constitutional law, complex fraud, and national security. In criminal matters, he has obtained declinations, dismissals, misdemeanor pleas, and presidential pardons for prominent individuals and companies facing federal investigations. In civil matters, he has successfully defended Fortune 500 companies in multidistrict litigation and brought affirmative litigation to challenge government overreach. Kellen has a perfect record in both jury trials and appellate arguments: he has twice obtained reversals of jury verdicts on appeal and he won every trial and appeal during his six years as a federal prosecutor.
As an Assistant U.S. Attorney in the Eastern District of Virginia, Kellen obtained a hacking indictment against Julian Assange and represented the United States at Assange’s extradition hearings. He also received the Attorney General’s Award for leading the trial and arguing the appeal in a case charging a malware-testing company with aiding and abetting the 2013 cyberattack on Target Stores. The case is now the lead precedent governing when tech companies can be held liable for crimes committed by their users. Kellen won convictions in dozens of cases involving hacking, wiretapping, complex fraud, conspiracy/RICO, public corruption, national security, and intellectual property.
Kellen was later promoted to Deputy Assistant Attorney General of DOJ’s National Security Division (NSD), where he ran NSD’s Appellate Unit, which represents the DOJ in civil and criminal appeals affecting national security and advises on sensitive prosecutions involving export controls/sanctions, trade secrets, and the Foreign Agents Registration Act (FARA). In that role, Kellen oversaw the defense of President Trump’s TikTok and WeChat bans and successfully sought certiorari in civil cases interpreting the Foreign Intelligence Surveillance Act and the State Secrets doctrine.
Partner, Holtzman Vogel
Jonathan Fahey is partner with Holtzman Vogel and focuses his practice on investigations and white-collar criminal defense, representing individuals and corporations in high-stakes litigation in federal and state court.
A former federal and state prosecutor and seasoned trial lawyer, having tried dozens of criminal and civil cases to a jury in federal and state court, Jonathan has also successfully litigated significant constitutional issues. He also utilizes his years of leading grand jury investigations to assist clients with government and corporate investigations.
Jonathan began his career as a judicial law clerk for the Arlington County Circuit Court. He then worked as an Assistant Commonwealth’s Attorney in Fairfax County before transitioning to the United States Attorney’s Office in the Eastern District of Virginia, where he served as an Assistant United States Attorney and Special Assistant United States Attorney.
While with the United States Attorney’s Office, Jonathan led grand jury investigations in cases involving RICO, drug trafficking, human trafficking, public corruption, and white-collar offenses. For his work, he received multiple awards, including the Attorney General’s John Marshall Award, for the prosecution of a serial killer and sexual predator. He held several leadership positions within the office, including serving as the chief of the Special Assistant United States Attorney Section, where he trained and supervised attorneys in the prosecution of felony and misdemeanor cases. He also regularly conducted training for law enforcement agencies on legal and ethical issues.
In addition to his work as a criminal prosecutor, Jonathan has significant leadership experience within the executive branch. He served as the general counsel with the White House Office of National Drug Control Policy. He also served as Deputy Assistant Secretary at the Department of Homeland Security, Acting Principal Legal Advisor and then Acting Director for Immigration and Customs Enforcement.
Jonathan appears frequently on Fox News and Fox Business providing legal analysis as well as commentary on current events and political issues.
General Counsel and Chief Compliance Officer, SAP National Security Services
Joseph Moreno is SAP NS2’s General Counsel and Chief Compliance Officer. Joe manages legal risk, oversees compliance, and ensures the company operates within legal boundaries as we conduct business with the U.S. Government and highly regulated entities.
Prior to joining SAP NS2, Joe was a Global Litigation partner with Cadwalader, Wickersham & Taft LLP. Before private practice, Joe served as a federal prosecutor at the U.S. Department of Justice in the National Security Division’s Counterterrorism Section, where he investigated and prosecuted international money laundering, terrorist financing, and other financial crimes. A decorated combat veteran of Operations Enduring Freedom and Iraqi Freedom, Joe is a Lieutenant Colonel in the United States Army Reserve and has served on active duty in Europe, the Middle East and Africa.
Joe earned his undergraduate degree from Stony Brook University, his law degree from St. John’s University School of Law, and an M.B.A. from St. John’s University Peter J. Tobin College of Business.
Partner, Holtzman Vogel
Mark Pinkert is a litigation and appellate partner with Holtzman Vogel. He represents clients at every stage of litigation, in state and federal courts around the country. He has extensive experience in constitutional law, administrative law, political law, antitrust, white collar defense, and complex commercial disputes. Additionally, Mark maintains an active practice focused on religious freedom, First Amendment rights, and combatting antisemitism, especially on college campuses.
Mark is a formidable writer and advocate. He has drafted letters, white papers to government agencies, legal memoranda, regulatory comments, complaints, dispositive motions, motions in limine, appellate briefs, and several briefs in the U.S. Supreme Court. His incisive and persuasive writing style has helped him earn key victories for his clients. Mark has argued a Daubert motion in a multi-billion-dollar environmental dispute and was recently appointed lead counsel by the Eleventh Circuit Court of Appeals to represent an indigent petitioner in a habeas corpus appeal. Mark’s legal commentary has been published in The Wall Street Journal, National Review, Times of Israel, Daily Business Review, University of Miami Law Review, and many others.
Mark is also an adept legal strategist, advising some of the largest companies in the world on their most pressing issues. Rather than merely react to problems, he provides holistic thinking and anticipates issues before they arise. He helps clients develop proactive plans of action that mitigate risks, avoid conflict, and reduce costs.
Before joining Holtzman Vogel, Mark worked at a global law firm and clerked for the Honorable Adalberto Jordan (11th Cir.) and the Honorable Roy K. Altman (S.D. Fla.). Clerking at both the trial and appellate levels has given him rare insight into the federal court system and has sharpened his advocacy.
At Yale Law School, Mark was an Articles Editor for the Yale Law Journal and an editor for the Yale Journal of Law & Humanities. He was also a research assistant and taught constitutional law to high school students in New Haven.
Senior Legal Fellow and Manager, National Security Law Program, The Heritage Foundation
Charles “Cully” Stimson is a widely recognized expert in national security, homeland security, crime control, drug policy and immigration. A senior legal fellow at The Heritage Foundation since 2007, Stimson became Manager of the National Security Law Program in Heritage’s Institute for Constitutional Government in April 2013 after serving as Heritage’s chief of staff for a year.
Stimson writes and lectures on policy issues such as the law of armed conflict, terrorist detainee policy and interrogations, the Geneva Conventions, military commissions, the Patriot Act and FISA, criminal law and the death penalty, immigration and the war on drugs. As chief of staff to then-Heritage President Edwin J. Feulner, he was a key adviser on public policy matters as well as manager of Feulner’s office staff and Heritage’s day-to-day operations.
Stimson’s many research papers, op-eds and articles include special reports such as “Adult Time for Adult Crime,” a comprehensive study on the constitutionality of life sentences for teen-age murderers, and Sexual Assault in the Military: Understanding the Problem and How to Fix It, a ground-breaking paper detailing the inner workings of the military justice system compared to its civilian counterpart. His work on criminal and immigration law has been cited in briefs before the U.S. Supreme Court.
He testifies before the U.S. Senate and House on national security issues, and recently testified before the Senate Armed Services Committee on the Law of Armed Conflict, Law of War, and the 2001 Authorization for Use of Military Force.
Before joining the think tank in 2007, Stimson served as Deputy Assistant Secretary of Defense for Detainee Affairs. He advised then-Secretaries of Defense Donald Rumsfeld and Robert Gates and coordinated the Pentagon’s global detention policy and operations, including at Guantanamo Bay and in Iraq and Afghanistan. He was chairman of detainee-related panels such as the Defense Senior Leadership Oversight Committee, and the Special Detainee Follow Up Group. He represented the United States before the U.N. in Geneva, Switzerland in May 2006 where he led the DOD delegation in defense of the United States’ Second Period Report on the Convention Against Torture.
An accomplished trial lawyer, Stimson worked as a prosecutor at the local, state and federal levels, where he concentrated on violent crimes such as homicide, sexual assault and domestic violence. A third generation naval officer, Cully also served as a military prosecutor, defense counsel, and recently served as Deputy Chief Judge of the Navy-Marine Corps Trial Judiciary. He continues to serve, with the rank of Captain, as the Commanding Officer of the Preliminary Hearing Unit.
Stimson’s thousands of media interviews and appearances include Fox News Channel, MSNBC, CNN, BBC, NPR and C-SPAN. He has been quoted by most major newspapers, including The Washington Post, Wall Street Journal, New York Times, Los Angeles Times, and London Times.
A businessman and educator by training, Stimson is Vice Chairman of his family’s commercial real estate company in Seattle. Before 9/11, he was a Vice President at a New York-based global financial services and insurance brokerage firm where ran the private equity mergers and acquisitions D.C. operation.
Stimson holds a law degree from the George Mason University School of Law, where he later taught as an Adjunct Professor of Law. He is a graduate of Kenyon College, where he was Captain of the men’s varsity soccer team and an All-Conference player. He also studied at Harvard and Exeter universities. An avid soccer player and triathlete, he serves as Chairman of the Board of the United States Soccer Foundation, the charitable giving arm of U.S. Soccer.
Partner, Boies Schiller Flexner LLP
Jesse, the former third-ranking official at the U.S. Department of Justice, helps clients with their most difficult litigation and regulatory issues─whether that means defending against an enforcement action, pursuing high-stakes litigation and appeals, navigating regulatory thickets at federal and state agencies, or crafting a comprehensive strategy to manage a crisis. He approaches these problems with the knowledge gained both from his broad private-practice experience and from having served at the highest levels of federal and state government.
Jesse has experience across a range of substantive and regulatory areas. He has sued the federal government and has also been one of its top law-enforcement officials; he has represented states and has also navigated their regulatory agencies on behalf of clients; and he has represented companies in business disputes, both as defendants and plaintiffs.
Before joining the firm, Jesse was the Acting Associate Attorney General at the United States Department of Justice. In that role, he oversaw the civil and criminal work of the Antitrust, Civil, Civil Rights, Environment and Natural Resources, and Tax Divisions. During Jesse’s tenure, the Associate’s office closely managed the Department’s most significant litigation, including matters involving large financial institutions, healthcare companies, automakers, energy companies, and state and local governments. In addition, Jesse served as Chair of DOJ’s Regulatory Reform Task Force and Vice Chair of DOJ’s Task Force on Market Integrity and Consumer Fraud. Jesse regularly provided legal and strategic advice to the highest-level decision makers in the federal government, including the Attorney General and Deputy Attorney General, general counsels across the spectrum of federal agencies, and White House officials.
Jesse served for three years as the secretary of Florida’s labor, economic-development, and land-use agency, the Florida Department of Economic Opportunity. Before that, he served as Governor (now Senator) Rick Scott’s general counsel.
Jesse maintains offices in both Washington D.C. and Florida. From Washington, he focuses on federal litigation and crisis management. In Florida, in addition to federal litigation, Jesse employs his knowledge of state government and regulation to help clients in courts across the state, from trial through the Florida Supreme Court.
Jesse currently serves on the Florida Supreme Court Judicial Nominating Commission, the body that provides the governor with nominees for appointment to the Florida Supreme Court. Jesse is also a fellow at the Center for the Study of the Administrative State at the Scalia Law School at George Mason University, where he writes and speaks about administrative law.
Member, Sherrard Roe Voigt Harbison
Chris Sabis heads the firm’s Government Compliance & Investigations group. Chris concentrates his practice in the areas of Government Investigations and Litigation. He has extensive experience in False Claims Act (FCA) matters involving allegations of healthcare and procurement fraud, white-collar fraud investigations, commercial litigation, and government investigations under the Americans with Disabilities Act (ADA) and Mutual Legal Assistance Treaties (MLATs). Chris has significant experience in the mediation of FCA cases and is a Rule 31 Listed General Civil Mediator by the Tennessee Supreme Court. He also has advised clients on provisions of the Families First Coronavirus Response Act (FFCRA) and the CARES Act, including emergency leave provisions and the Paycheck Protection Program enacted in response to the COVID-19 pandemic.
Before joining the firm, Chris served nearly a decade as an Assistant United States Attorney in the Middle District of Tennessee. In addition to his regular duties, he was the District’s Elder Justice Coordinator and International Affairs Coordinator. Before becoming an AUSA, Chris represented clients in complex commercial litigation at Drinker Biddle & Reath in Washington, D.C. Chris was a law clerk to the Honorable Noël Anketell Kramer of the D.C. Court of Appeals and the Honorable Joan Zeldon of the D.C. Superior Court.
Chris earned his J.D. at Georgetown University Law Center, where he was Senior Notes Editor of the Georgetown Journal of Legal Ethics. He graduated magna cum laude with a B.A. in History and Political Science from the University of Rochester.
Chris serves as a Hearing Examiner for the Tennessee Board of Professional Responsibility. He is a member of the Harry Phillips American Inn of Court and of the Tennessee Bar Association, where he has served as Chair and Vice Chair of the Federal Practice Section. He is a member of the Nashville Bar Association and Chair and former Secretary of its Historical Committee. Chris is also a member of the American Health Law Association, the Health Care Compliance Association, and the American Bar Association.
Active in the community, Chris is the Past Chair of the Board for Stars Nashville, a non-profit that provides prevention, intervention, treatment, and training programs addressing bullying, substance abuse, violence, and social and emotional barriers to success in Tennessee schools. He is a board member and the Board Secretary of Autism Tennessee and is a member of the Rotary Club of Nashville. Chris has been an Adjunct Professor of Law at Belmont University. He enjoys hockey, theater, and spending time with his wife and two young boys.
Board Member, U.S. Privacy and Civil Liberties Oversight Board
Beth A. Williams is a Board Member of the United States Privacy and Civil Liberties Oversight Board, an agency whose mission is to ensure that the federal government's efforts to prevent terrorism are balanced with the need to protect privacy and civil liberties.
Prior to her Board service, Ms. Williams was the Assistant Attorney General for the Office of Legal Policy at the United States Department of Justice from August 2017 to December 2020. In that role, she served as the primary policy advisor to the Attorney General and the Deputy Attorney General, and as the Chief Regulatory Officer for the Department. Ms. Williams also led the judicial nomination process for the Department, assisting in the selection and confirmation of more than 230 Article III judges to the bench.
Prior to becoming Assistant Attorney General, Ms. Williams was a litigation and appellate partner at a national law firm, where her practice focused on complex commercial, securities, appellate, and First Amendment litigation. From 2005-2006, Ms. Williams served as Special Counsel to the United States Senate Committee on the Judiciary, where she assisted with the confirmation of Chief Justice John G. Roberts, Jr. and Associate Justice Samuel A. Alito, Jr. to the United States Supreme Court.
Ms. Williams clerked for the Hon. Richard C. Wesley on the United State Court of Appeals for the Second Circuit. She graduated from Harvard College magna cum laude, with a degree in History and Literature, and she earned her law degree from Harvard Law School, where she served as Executive Editor of the Harvard Journal of Law and Public Policy.
Director, Americas Program, Center for Strategic and International Studies
Ryan C. Berg is director of the Americas Program and head of the Future of Venezuela Initiative at the Center for Strategic and International Studies. He is also an adjunct professor at the Catholic University of America and a course coordinator at the United States Foreign Service Institute. His research focuses on U.S.-Latin America relations, strategic competition and defense policy, authoritarian regimes, armed conflict and transnational organized crime, and trade and development issues. Previously, Dr. Berg was a research fellow at the American Enterprise Institute, where he helped lead its Latin America Studies Program, as well as visiting research fellow at the University of Oxford’s Changing Character of War Programme. Dr. Berg was a Fulbright scholar in Brazil and is a Council on Foreign Relations Term Member. He has been published in a variety of peer-reviewed academic and policy-oriented journals, including The Lancet, Migration and Development, the SAIS Review of International Affairs, and the Georgetown Security Studies Review. His articles have appeared in Foreign Affairs, Foreign Policy, CNN.com, Los Angeles Times, and World Politics Review, among other outlets. He routinely testifies before the Senate Foreign Relations Committee and the House Foreign Affairs Committee. Dr. Berg obtained a PhD and an MPhil in political science and an MSc in global governance and diplomacy from the University of Oxford, where he was a Senior Hulme Fellow. Earlier, he obtained a BA in government and theology from Georgetown University. He is fluent in Spanish and Portuguese and is conversational in Slovenian.
Partner, SFS Law
Michael Nadler counsels and defends corporations and individuals on a broad range of regulatory, criminal, and civil matters, including claims involving the Foreign Corrupt Practices Act (FCPA), money laundering, healthcare fraud, securities law violations, and white-collar criminal defense.
Prior to joining Stumphauzer, Foslid, Sloman, Ross & Kolaya, Michael was a federal prosecutor for almost ten years in the Southern District of Florida. Michael has extensive courtroom and trial experience. During his time at the United States Attorney’s Office, he successfully tried over twenty-five federal jury trials and argued before the United States Court of Appeals for the Eleventh Circuit.
While at the United States Attorney’s Office, Michael specialized in prosecutions and investigations involving sophisticated international and domestic money laundering and FCPA cases. Michael was selected to be part of a newly-created group targeting money laundering and foreign corruption. His cases covered the world. ranging from cases involving corrupt officials in Venezuela, the Middle East, Africa, and Europe. and extending to large scale financial investigations involving European banks and foreign nationals. He was lead prosecutor in some of the highest profile, largest money laundering and FCPA prosecutions in the history of South Florida. In one case alone, Michael’s prosecution of the former treasurer of Venezuela resulted in a one billion-dollar forfeiture, one of the largest forfeiture amounts ever ordered.
As an Assistant U.S. Attorney, Michael also led hundreds of complex investigations and prosecutions against individuals and corporations for violations of federal health care statutes, large scale narcotics trafficking, firearms offenses, murder for hire, tax fraud, aggravated identity theft, securities fraud and elder fraud.
Throughout his time at the U.S. Attorney’s office Michael travelled extensively throughout South America and Europe. He built partnerships and relationships with numerous law enforcement agencies both domestic and international, officials and foreign lawyers. Michael participated in several summits whose participants included officials from Lichtenstein, Italy, Bulgaria, Spain, Portugal, Argentina, Luxemburg, Switzerland, Colombia, Panama, Mexico, Honduras, Equator and Guatemala on bilateral efforts to combat organized transnational crime involving money laundering, foreign corruption and narco- trafficking. Michael has also lectured federal law enforcement agencies on complex money laundering investigations and weapons of mass destruction.
Prior to his service with the federal government, Michael served as an Assistant Miami-Dade County Attorney at the Miami-Dade County Attorney’s Office. As an Assistant County Attorney, Michael was the trial attorney on a wide variety of civil cases and trials in federal and state court, including tort cases, medical malpractice, section 1983 civil rights cases and employment cases where he represented numerous County departments, including the Miami Dade Fire Department, Building Department, and the Port of Miami. Michael drafted appellate briefs and conducted several successful oral arguments before the United States Court of Appeals for the Eleventh Circuit and the Florida Third District Court of Appeal.
Earlier in his career, Michael worked in the financial and securities litigation group in Sidley Austin LLP’s Chicago office. As an associate there, he built a reputation for successfully representing clients on white collar investigations involving securities violations and accountant liability.
Of Counsel, DLA Piper LLP (US)
Harout J. Samra – a Board Certified Specialist in International Law – focuses his practice on international dispute resolution and arbitration matters, including international civil litigation in US courts.
Harout has represented clients from both the public and private sectors, including foreign governments, public officials and clients from a variety of industries. He has experience in international arbitrations administered under the International Chamber of Commerce (ICC), International Centre for Dispute Resolution (ICDR), United Nations Commission on International Trade Law (UNCITRAL), China International Economic and Trade Arbitration Commission (CIETAC), Bogota Chamber of Commerce, Madrid Court of Arbitration and International Centre for Settlement of Investment Disputes (ICSID) arbitration rules.
Harout currently serves as a member of the Florida Supreme Court Judicial Nominating Commission, by appointment of Governor Ron DeSantis. He previously served, by appointment of Governor Rick Scott, as a member of the Florida Third District Court of Appeal Judicial Nominating Commission, and was elected as Chair of the Commission from 2018-2019.
Partner, Holtzman Vogel
Kellen is an experienced trial and appellate lawyer who litigates criminal, civil, and regulatory cases in a variety of areas, including cybersecurity & privacy, constitutional law, complex fraud, and national security. In criminal matters, he has obtained declinations, dismissals, misdemeanor pleas, and presidential pardons for prominent individuals and companies facing federal investigations. In civil matters, he has successfully defended Fortune 500 companies in multidistrict litigation and brought affirmative litigation to challenge government overreach. Kellen has a perfect record in both jury trials and appellate arguments: he has twice obtained reversals of jury verdicts on appeal and he won every trial and appeal during his six years as a federal prosecutor.
As an Assistant U.S. Attorney in the Eastern District of Virginia, Kellen obtained a hacking indictment against Julian Assange and represented the United States at Assange’s extradition hearings. He also received the Attorney General’s Award for leading the trial and arguing the appeal in a case charging a malware-testing company with aiding and abetting the 2013 cyberattack on Target Stores. The case is now the lead precedent governing when tech companies can be held liable for crimes committed by their users. Kellen won convictions in dozens of cases involving hacking, wiretapping, complex fraud, conspiracy/RICO, public corruption, national security, and intellectual property.
Kellen was later promoted to Deputy Assistant Attorney General of DOJ’s National Security Division (NSD), where he ran NSD’s Appellate Unit, which represents the DOJ in civil and criminal appeals affecting national security and advises on sensitive prosecutions involving export controls/sanctions, trade secrets, and the Foreign Agents Registration Act (FARA). In that role, Kellen oversaw the defense of President Trump’s TikTok and WeChat bans and successfully sought certiorari in civil cases interpreting the Foreign Intelligence Surveillance Act and the State Secrets doctrine.
Partner, Holtzman Vogel
Jonathan Fahey is partner with Holtzman Vogel and focuses his practice on investigations and white-collar criminal defense, representing individuals and corporations in high-stakes litigation in federal and state court.
A former federal and state prosecutor and seasoned trial lawyer, having tried dozens of criminal and civil cases to a jury in federal and state court, Jonathan has also successfully litigated significant constitutional issues. He also utilizes his years of leading grand jury investigations to assist clients with government and corporate investigations.
Jonathan began his career as a judicial law clerk for the Arlington County Circuit Court. He then worked as an Assistant Commonwealth’s Attorney in Fairfax County before transitioning to the United States Attorney’s Office in the Eastern District of Virginia, where he served as an Assistant United States Attorney and Special Assistant United States Attorney.
While with the United States Attorney’s Office, Jonathan led grand jury investigations in cases involving RICO, drug trafficking, human trafficking, public corruption, and white-collar offenses. For his work, he received multiple awards, including the Attorney General’s John Marshall Award, for the prosecution of a serial killer and sexual predator. He held several leadership positions within the office, including serving as the chief of the Special Assistant United States Attorney Section, where he trained and supervised attorneys in the prosecution of felony and misdemeanor cases. He also regularly conducted training for law enforcement agencies on legal and ethical issues.
In addition to his work as a criminal prosecutor, Jonathan has significant leadership experience within the executive branch. He served as the general counsel with the White House Office of National Drug Control Policy. He also served as Deputy Assistant Secretary at the Department of Homeland Security, Acting Principal Legal Advisor and then Acting Director for Immigration and Customs Enforcement.
Jonathan appears frequently on Fox News and Fox Business providing legal analysis as well as commentary on current events and political issues.
General Counsel and Chief Compliance Officer, SAP National Security Services
Joseph Moreno is SAP NS2’s General Counsel and Chief Compliance Officer. Joe manages legal risk, oversees compliance, and ensures the company operates within legal boundaries as we conduct business with the U.S. Government and highly regulated entities.
Prior to joining SAP NS2, Joe was a Global Litigation partner with Cadwalader, Wickersham & Taft LLP. Before private practice, Joe served as a federal prosecutor at the U.S. Department of Justice in the National Security Division’s Counterterrorism Section, where he investigated and prosecuted international money laundering, terrorist financing, and other financial crimes. A decorated combat veteran of Operations Enduring Freedom and Iraqi Freedom, Joe is a Lieutenant Colonel in the United States Army Reserve and has served on active duty in Europe, the Middle East and Africa.
Joe earned his undergraduate degree from Stony Brook University, his law degree from St. John’s University School of Law, and an M.B.A. from St. John’s University Peter J. Tobin College of Business.
Partner, Holtzman Vogel
Mark Pinkert is a litigation and appellate partner with Holtzman Vogel. He represents clients at every stage of litigation, in state and federal courts around the country. He has extensive experience in constitutional law, administrative law, political law, antitrust, white collar defense, and complex commercial disputes. Additionally, Mark maintains an active practice focused on religious freedom, First Amendment rights, and combatting antisemitism, especially on college campuses.
Mark is a formidable writer and advocate. He has drafted letters, white papers to government agencies, legal memoranda, regulatory comments, complaints, dispositive motions, motions in limine, appellate briefs, and several briefs in the U.S. Supreme Court. His incisive and persuasive writing style has helped him earn key victories for his clients. Mark has argued a Daubert motion in a multi-billion-dollar environmental dispute and was recently appointed lead counsel by the Eleventh Circuit Court of Appeals to represent an indigent petitioner in a habeas corpus appeal. Mark’s legal commentary has been published in The Wall Street Journal, National Review, Times of Israel, Daily Business Review, University of Miami Law Review, and many others.
Mark is also an adept legal strategist, advising some of the largest companies in the world on their most pressing issues. Rather than merely react to problems, he provides holistic thinking and anticipates issues before they arise. He helps clients develop proactive plans of action that mitigate risks, avoid conflict, and reduce costs.
Before joining Holtzman Vogel, Mark worked at a global law firm and clerked for the Honorable Adalberto Jordan (11th Cir.) and the Honorable Roy K. Altman (S.D. Fla.). Clerking at both the trial and appellate levels has given him rare insight into the federal court system and has sharpened his advocacy.
At Yale Law School, Mark was an Articles Editor for the Yale Law Journal and an editor for the Yale Journal of Law & Humanities. He was also a research assistant and taught constitutional law to high school students in New Haven.
Partner, Boies Schiller Flexner LLP
Jesse, the former third-ranking official at the U.S. Department of Justice, helps clients with their most difficult litigation and regulatory issues─whether that means defending against an enforcement action, pursuing high-stakes litigation and appeals, navigating regulatory thickets at federal and state agencies, or crafting a comprehensive strategy to manage a crisis. He approaches these problems with the knowledge gained both from his broad private-practice experience and from having served at the highest levels of federal and state government.
Jesse has experience across a range of substantive and regulatory areas. He has sued the federal government and has also been one of its top law-enforcement officials; he has represented states and has also navigated their regulatory agencies on behalf of clients; and he has represented companies in business disputes, both as defendants and plaintiffs.
Before joining the firm, Jesse was the Acting Associate Attorney General at the United States Department of Justice. In that role, he oversaw the civil and criminal work of the Antitrust, Civil, Civil Rights, Environment and Natural Resources, and Tax Divisions. During Jesse’s tenure, the Associate’s office closely managed the Department’s most significant litigation, including matters involving large financial institutions, healthcare companies, automakers, energy companies, and state and local governments. In addition, Jesse served as Chair of DOJ’s Regulatory Reform Task Force and Vice Chair of DOJ’s Task Force on Market Integrity and Consumer Fraud. Jesse regularly provided legal and strategic advice to the highest-level decision makers in the federal government, including the Attorney General and Deputy Attorney General, general counsels across the spectrum of federal agencies, and White House officials.
Jesse served for three years as the secretary of Florida’s labor, economic-development, and land-use agency, the Florida Department of Economic Opportunity. Before that, he served as Governor (now Senator) Rick Scott’s general counsel.
Jesse maintains offices in both Washington D.C. and Florida. From Washington, he focuses on federal litigation and crisis management. In Florida, in addition to federal litigation, Jesse employs his knowledge of state government and regulation to help clients in courts across the state, from trial through the Florida Supreme Court.
Jesse currently serves on the Florida Supreme Court Judicial Nominating Commission, the body that provides the governor with nominees for appointment to the Florida Supreme Court. Jesse is also a fellow at the Center for the Study of the Administrative State at the Scalia Law School at George Mason University, where he writes and speaks about administrative law.
Member, Sherrard Roe Voigt Harbison
Chris Sabis heads the firm’s Government Compliance & Investigations group. Chris concentrates his practice in the areas of Government Investigations and Litigation. He has extensive experience in False Claims Act (FCA) matters involving allegations of healthcare and procurement fraud, white-collar fraud investigations, commercial litigation, and government investigations under the Americans with Disabilities Act (ADA) and Mutual Legal Assistance Treaties (MLATs). Chris has significant experience in the mediation of FCA cases and is a Rule 31 Listed General Civil Mediator by the Tennessee Supreme Court. He also has advised clients on provisions of the Families First Coronavirus Response Act (FFCRA) and the CARES Act, including emergency leave provisions and the Paycheck Protection Program enacted in response to the COVID-19 pandemic.
Before joining the firm, Chris served nearly a decade as an Assistant United States Attorney in the Middle District of Tennessee. In addition to his regular duties, he was the District’s Elder Justice Coordinator and International Affairs Coordinator. Before becoming an AUSA, Chris represented clients in complex commercial litigation at Drinker Biddle & Reath in Washington, D.C. Chris was a law clerk to the Honorable Noël Anketell Kramer of the D.C. Court of Appeals and the Honorable Joan Zeldon of the D.C. Superior Court.
Chris earned his J.D. at Georgetown University Law Center, where he was Senior Notes Editor of the Georgetown Journal of Legal Ethics. He graduated magna cum laude with a B.A. in History and Political Science from the University of Rochester.
Chris serves as a Hearing Examiner for the Tennessee Board of Professional Responsibility. He is a member of the Harry Phillips American Inn of Court and of the Tennessee Bar Association, where he has served as Chair and Vice Chair of the Federal Practice Section. He is a member of the Nashville Bar Association and Chair and former Secretary of its Historical Committee. Chris is also a member of the American Health Law Association, the Health Care Compliance Association, and the American Bar Association.
Active in the community, Chris is the Past Chair of the Board for Stars Nashville, a non-profit that provides prevention, intervention, treatment, and training programs addressing bullying, substance abuse, violence, and social and emotional barriers to success in Tennessee schools. He is a board member and the Board Secretary of Autism Tennessee and is a member of the Rotary Club of Nashville. Chris has been an Adjunct Professor of Law at Belmont University. He enjoys hockey, theater, and spending time with his wife and two young boys.
Board Member, U.S. Privacy and Civil Liberties Oversight Board
Beth A. Williams is a Board Member of the United States Privacy and Civil Liberties Oversight Board, an agency whose mission is to ensure that the federal government's efforts to prevent terrorism are balanced with the need to protect privacy and civil liberties.
Prior to her Board service, Ms. Williams was the Assistant Attorney General for the Office of Legal Policy at the United States Department of Justice from August 2017 to December 2020. In that role, she served as the primary policy advisor to the Attorney General and the Deputy Attorney General, and as the Chief Regulatory Officer for the Department. Ms. Williams also led the judicial nomination process for the Department, assisting in the selection and confirmation of more than 230 Article III judges to the bench.
Prior to becoming Assistant Attorney General, Ms. Williams was a litigation and appellate partner at a national law firm, where her practice focused on complex commercial, securities, appellate, and First Amendment litigation. From 2005-2006, Ms. Williams served as Special Counsel to the United States Senate Committee on the Judiciary, where she assisted with the confirmation of Chief Justice John G. Roberts, Jr. and Associate Justice Samuel A. Alito, Jr. to the United States Supreme Court.
Ms. Williams clerked for the Hon. Richard C. Wesley on the United State Court of Appeals for the Second Circuit. She graduated from Harvard College magna cum laude, with a degree in History and Literature, and she earned her law degree from Harvard Law School, where she served as Executive Editor of the Harvard Journal of Law and Public Policy.
Partner, Boies Schiller Flexner LLP
Jesse, the former third-ranking official at the U.S. Department of Justice, helps clients with their most difficult litigation and regulatory issues─whether that means defending against an enforcement action, pursuing high-stakes litigation and appeals, navigating regulatory thickets at federal and state agencies, or crafting a comprehensive strategy to manage a crisis. He approaches these problems with the knowledge gained both from his broad private-practice experience and from having served at the highest levels of federal and state government.
Jesse has experience across a range of substantive and regulatory areas. He has sued the federal government and has also been one of its top law-enforcement officials; he has represented states and has also navigated their regulatory agencies on behalf of clients; and he has represented companies in business disputes, both as defendants and plaintiffs.
Before joining the firm, Jesse was the Acting Associate Attorney General at the United States Department of Justice. In that role, he oversaw the civil and criminal work of the Antitrust, Civil, Civil Rights, Environment and Natural Resources, and Tax Divisions. During Jesse’s tenure, the Associate’s office closely managed the Department’s most significant litigation, including matters involving large financial institutions, healthcare companies, automakers, energy companies, and state and local governments. In addition, Jesse served as Chair of DOJ’s Regulatory Reform Task Force and Vice Chair of DOJ’s Task Force on Market Integrity and Consumer Fraud. Jesse regularly provided legal and strategic advice to the highest-level decision makers in the federal government, including the Attorney General and Deputy Attorney General, general counsels across the spectrum of federal agencies, and White House officials.
Jesse served for three years as the secretary of Florida’s labor, economic-development, and land-use agency, the Florida Department of Economic Opportunity. Before that, he served as Governor (now Senator) Rick Scott’s general counsel.
Jesse maintains offices in both Washington D.C. and Florida. From Washington, he focuses on federal litigation and crisis management. In Florida, in addition to federal litigation, Jesse employs his knowledge of state government and regulation to help clients in courts across the state, from trial through the Florida Supreme Court.
Jesse currently serves on the Florida Supreme Court Judicial Nominating Commission, the body that provides the governor with nominees for appointment to the Florida Supreme Court. Jesse is also a fellow at the Center for the Study of the Administrative State at the Scalia Law School at George Mason University, where he writes and speaks about administrative law.
Member, Sherrard Roe Voigt Harbison
Chris Sabis heads the firm’s Government Compliance & Investigations group. Chris concentrates his practice in the areas of Government Investigations and Litigation. He has extensive experience in False Claims Act (FCA) matters involving allegations of healthcare and procurement fraud, white-collar fraud investigations, commercial litigation, and government investigations under the Americans with Disabilities Act (ADA) and Mutual Legal Assistance Treaties (MLATs). Chris has significant experience in the mediation of FCA cases and is a Rule 31 Listed General Civil Mediator by the Tennessee Supreme Court. He also has advised clients on provisions of the Families First Coronavirus Response Act (FFCRA) and the CARES Act, including emergency leave provisions and the Paycheck Protection Program enacted in response to the COVID-19 pandemic.
Before joining the firm, Chris served nearly a decade as an Assistant United States Attorney in the Middle District of Tennessee. In addition to his regular duties, he was the District’s Elder Justice Coordinator and International Affairs Coordinator. Before becoming an AUSA, Chris represented clients in complex commercial litigation at Drinker Biddle & Reath in Washington, D.C. Chris was a law clerk to the Honorable Noël Anketell Kramer of the D.C. Court of Appeals and the Honorable Joan Zeldon of the D.C. Superior Court.
Chris earned his J.D. at Georgetown University Law Center, where he was Senior Notes Editor of the Georgetown Journal of Legal Ethics. He graduated magna cum laude with a B.A. in History and Political Science from the University of Rochester.
Chris serves as a Hearing Examiner for the Tennessee Board of Professional Responsibility. He is a member of the Harry Phillips American Inn of Court and of the Tennessee Bar Association, where he has served as Chair and Vice Chair of the Federal Practice Section. He is a member of the Nashville Bar Association and Chair and former Secretary of its Historical Committee. Chris is also a member of the American Health Law Association, the Health Care Compliance Association, and the American Bar Association.
Active in the community, Chris is the Past Chair of the Board for Stars Nashville, a non-profit that provides prevention, intervention, treatment, and training programs addressing bullying, substance abuse, violence, and social and emotional barriers to success in Tennessee schools. He is a board member and the Board Secretary of Autism Tennessee and is a member of the Rotary Club of Nashville. Chris has been an Adjunct Professor of Law at Belmont University. He enjoys hockey, theater, and spending time with his wife and two young boys.
Board Member, U.S. Privacy and Civil Liberties Oversight Board
Beth A. Williams is a Board Member of the United States Privacy and Civil Liberties Oversight Board, an agency whose mission is to ensure that the federal government's efforts to prevent terrorism are balanced with the need to protect privacy and civil liberties.
Prior to her Board service, Ms. Williams was the Assistant Attorney General for the Office of Legal Policy at the United States Department of Justice from August 2017 to December 2020. In that role, she served as the primary policy advisor to the Attorney General and the Deputy Attorney General, and as the Chief Regulatory Officer for the Department. Ms. Williams also led the judicial nomination process for the Department, assisting in the selection and confirmation of more than 230 Article III judges to the bench.
Prior to becoming Assistant Attorney General, Ms. Williams was a litigation and appellate partner at a national law firm, where her practice focused on complex commercial, securities, appellate, and First Amendment litigation. From 2005-2006, Ms. Williams served as Special Counsel to the United States Senate Committee on the Judiciary, where she assisted with the confirmation of Chief Justice John G. Roberts, Jr. and Associate Justice Samuel A. Alito, Jr. to the United States Supreme Court.
Ms. Williams clerked for the Hon. Richard C. Wesley on the United State Court of Appeals for the Second Circuit. She graduated from Harvard College magna cum laude, with a degree in History and Literature, and she earned her law degree from Harvard Law School, where she served as Executive Editor of the Harvard Journal of Law and Public Policy.
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