Judge, U.S. Court of Appeals for the Third Circuit
Hon. Jennifer Mascott served as Associate Professor of Law and Director of the Separation of Powers Institute at The Catholic University of America’s Columbus School of Law before her appointment to the federal bench. On July 16, 2025, President Donald J. Trump nominated her to the U.S. Court of Appeals for the Third Circuit (Delaware), and she was confirmed on October 9, 2025.
Prior to her confirmation, Judge Mascott wrote extensively in administrative and constitutional law, statutory interpretation, and the separation of powers. Her scholarship—published in leading journals including the Stanford Law Review, Notre Dame Law Review, and Supreme Court Review—was cited by the U.S. Supreme Court and multiple federal courts. She also contributed Supreme Court commentary for NBC Universal.
Before joining Catholic Law, she was an Assistant Professor and Co-Director of The C. Boyden Gray Center at George Mason University’s Antonin Scalia Law School. In 2022 she became co-author of Beermann, Cass & Diver’s Administrative Law: Cases and Materials (9th ed.). In 2023 she received the Justice Joseph Story Award for excellence in scholarship, teaching, and advancing the rule of law.
Judge Mascott also served as a Council Member of the ABA’s Administrative Law Section and as a Public Member of the Administrative Conference of the United States. She frequently testified before Congress on executive power, regulatory reform, and judicial jurisdiction, and participated in multiple Supreme Court confirmation hearings.
From 2019 to 2021, she took leave from academia to serve as Deputy Assistant Attorney General in the Department of Justice’s Office of Legal Counsel and later as Associate Deputy Attorney General, where she argued federal cases and assisted with Justice Amy Coney Barrett’s confirmation. Earlier in her career, she clerked for Justice Clarence Thomas and for then-Judge Brett M. Kavanaugh on the D.C. Circuit.
Judge Mascott earned her J.D. summa cum laude from the George Washington University Law School and her B.A. from the same institution.
Senior Fellow and Director of Constitutional Studies, Manhattan Institute
Ilya Shapiro is a senior fellow and director of constitutional studies at the Manhattan Institute and a contributing editor of City Journal. Previously he was executive director and senior lecturer at the Georgetown Center for the Constitution, and before that a vice president of the Cato Institute.
Shapiro is the author of Lawless: The Miseducation of America’s Elites (2025) and Supreme Disorder: Judicial Nominations and the Politics of America’s Highest Court (2020), coauthor of Religious Liberties for Corporations? (2014), and editor of 11 volumes of the Cato Supreme Court Review (2008-18). He has contributed to a variety of academic, popular, and professional publications, including the Wall Street Journal, Harvard Journal of Law & Public Policy, Washington Post, Los Angeles Times, USA Today, National Review, and Newsweek. He also regularly provides commentary for various media outlets, writes the Shapiro’s Gavel newsletter on Substack, and once appeared on the Colbert Report.
Shapiro has testified many times before Congress and state legislatures and has filed more than 500 amicus curiae “friend of the court” briefs in the Supreme Court. He lectures regularly on behalf of the Federalist Society, is a member of the board of fellows of the Jewish Policy Center, was an inaugural Washington Fellow at the National Review Institute, and has been an adjunct law professor at the George Washington University and University of Mississippi. He is also the chairman of the board of advisers of the Mississippi Justice Institute, a barrister in the Edward Coke Appellate Inn of Court, and a former member of the Virginia Advisory Committee to the U.S. Commission on Civil Rights.
Earlier in his career, Shapiro was a special assistant/adviser to the Multi-National Force in Iraq on rule-of-law issues and practiced at Patton Boggs and Cleary Gottlieb. Before entering private practice, he clerked for Judge E. Grady Jolly of the U.S. Court of Appeals for the Fifth Circuit. He holds an AB from Princeton University, an MSc from the London School of Economics, and a JD from the University of Chicago Law School.
Professorial Lecturer in Law, The George Washington University
Paul Rosenzweig is an accomplished writer and speaker with a national reputation in cyber security and homeland security. He is the founder of Red Branch Consulting PLLC, a homeland security consulting company. He is also a Senior Advisor to The Chertoff Group. Mr. Rosenzweig formerly served as Deputy Assistant Secretary for Policy in the Department of Homeland Security.
He is a Professorial Lecturer in Law at George Washington University, and a Senior Fellow in the Tech, Law & Security Program at the American University, Washington College of Law. He serves as an advisor to and former member of the American Bar Association Standing Committee on Law and National Security, and a Contributing Editor of the Lawfare blog. He is a member of the ABA Cybersecurity Legal Task Force and of the United States Court of Appeals for the District of Columbia Circuit Advisory Committee on Admissions and Grievances. He serves, as well, as a Hearing Committee Member of the District of Columbia Board of Professional Responsibility. In 2011 he was a Carnegie Fellow in National Security Journalism at the Medill School of Journalism, Northwestern University.
Mr. Rosenzweig is a cum laude graduate of the University of Chicago Law School. He has an M.S. in Chemical Oceanography from the Scripps Institution of Oceanography, University of California at San Diego and a B.A from Haverford College. Following graduation from law school he served as a law clerk to the Honorable R. Lanier Anderson, III of the United States Court of Appeals for the Eleventh Circuit.
He is the author of Cyber Warfare: How Conflicts in Cyberspace are Challenging America and Changing the World and of three video lecture series from The Great Courses, Thinking About Cybersecurity: From Cyber Crime to Cyber Warfare; The Surveillance State: Big Data, Freedom, and You; and Investigating American Presidents.
He is the co-author (with James Jay Carafano) of Winning the Long War: Lessons from the Cold War for Defeating Terrorism and Preserving Freedom and co-editor (with Jill D. Rhodes and Robert S. Litt) of the Cybersecurity Handbook (3rd ed.). He is also co-editor (with Timothy McNulty and Ellen Shearer) of two books, Whistleblowers, Leaks and the Media: The First Amendment and National Security, and National Security Law in the News: A Guide for Journalists, Scholars, and Policymakers. Mr. Rosenzweig is a member of the Literary Society of Washington.
Judge, Ohio Twelfth District Court of Appeals
Judge Matthew R. Byrne was elected to the Ohio Court of Appeals for the Twelfth District in 2020, and his first term began on January 1, 2021. He is currently serving as the court's elected Administrative Judge. The Twelfth District Court of Appeals hears civil and criminal appeals from the trial courts in eight counties in southwest Ohio. Judge Byrne is active in the Ohio Judicial Conference and the Ohio Court of Appeals Judges Association. He also currently serves as a member and vice chair of the Ohio Supreme Court's Commission on the Rules of Practice and Procedure (where he previously chaired the Appellate Rules Committee). He previously served as a member of the Ohio Supreme Court's Commission on Character and Fitness.
From January 2010 to December 2020, Judge Byrne practiced law at the national law firm of Jackson Lewis P.C. He was a member of the firm's General Employment Litigation Practice Group and the Wage and Hour Practice Group. From 2007 to 2010 he practiced at Taft Stettinius & Hollister LLP. At both firms, Judge Byrne represented clients ranging from small businesses to international corporations in state and federal trial and appellate litigation, including multiple class and collective actions. He also represented clients in arbitration and before numerous administrative agencies, including the Equal Employment Opportunity Commission, the National Labor Relations Board, and the Ohio Civil Rights Commission.
Judge Byrne earned his law degree, cum laude, from The Ohio State University Moritz College of Law. During law school he was symposium editor of the Ohio State Law Journal and the winner of the Donald S. Teller Memorial Award for student writing contributing most significantly to the Ohio State Law Journal. During law school he clerked for the Acting General Counsel of the United States Department of the Treasury. Judge Byrne earned his bachelor's degree, magna cum laude, from Xavier University, where he majored in International Affairs (Business) and Political Science.
Prior to entering law school Judge Byrne served in President George W. Bush's Administration as a member of the White House staff in the Office of Presidential Personnel, the office responsible for selecting candidates to recommend to the President for appointment or nomination to high-level government positions, and for coordinating with the Offices of White House Counsel, Press Secretary, and Executive Clerk regarding candidate background clearances, press announcements, and the status of appointments/nominations.
Judge Byrne has been a member of the Federalist Society since law school and he served for five years as president of the Federalist Society's Cincinnati Lawyers Chapter. He is a member of a number of other community and civic organizations, including the Ohio State Bar Association and the bar associations of Butler, Clermont, and Warren Counties. Judge Byrne previously was a member of the Advisory Board of Pregnancy Center East and a board member and president of the St. Thomas More Lawyers Guild of Greater Cincinnati.
Judge Byrne is an active parishioner at his church, where he is a lector, a former member and president of the Education Commission, and a former member of the Finance and Administration Commission.
Judge Byrne resides in Deerfield Township, Warren County, Ohio with his wife Julie and their three children.
Ashbrook Byrne Kresge LLC
Julie E. Byrne is an energetic problem solver recognized by multiple publications as a rising star and leader to watch. Ms. Byrne focuses her practice on employment law and HR-related issues, advising clients on compliance with state and federal law and representing them in disputes. Ms. Byrne has a passion for helping workers thrive by helping their organizations thrive, and clients benefit from her years of experience working with businesses of all sizes and government at all levels.
A mother of three young children, Ms. Byrne was a highly respected attorney in one of the largest law firms in the State of Ohio when she decided to step out of the firm environment to invest in her family. Blessed to have grown up in a military family that took her to visit all 50 states, Ms. Byrne and her husband look forward to continuing that tradition with their children.
Ms. Byrne is a 2009 graduate of The Ohio State University Moritz College of Law where she was a national moot court champion. She has worked in large corporations, a large law firm, the U.S. Attorney's Office, and the White House.
Chief Investigative Counsel, U.S. House of Representatives Committee on Oversight and Government Reform
Steve Castor is chief investigative counsel for the U.S. House of Representatives Committee on Oversight and Government Reform under committee Chairman Trey Gowdy (R-SC). He has served on the committee staff since 2005, and during his twelve-year tenure participated in a wide variety of high-profile oversight investigations. Prior to working for Congress, he practiced commercial litigation in Philadelphia and Washington, D.C. He earned his law degree from George Washington University.
Vice President, Networks, The Federalist Society for Law and Public Policy Studies
Nathan Kaczmarek is Vice President for Networks at the Federalist Society. He began his legal career in Detroit representing nationwide clients in all phases of healthcare litigation and complex medical malpractice claims. He has since served as a Senior Legal and Policy Advisor in the U.S. House of Representatives and as Counsel for the Subcommittee on Regulatory Affairs and Federal Management in the U.S. Senate. Prior to overseeing the Networks, he was Director of the Practice Groups, the Regulatory Transparency Project, and the Article I Initiative for the Federalist Society.
Nathan holds degrees from Hillsdale College and Thomas M. Cooley Law School. He is a Liaison Representative for The Administrative Conference of the United States. He also serves as Vice President of the Associates of St. John Bosco, a Virginia based non-profit dedicated to Catholic high school and college students.
Of Counsel, Gibson Dunn & Crutcher
Amanda H. Neely is of counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher and is a member of the Public Policy, Congressional Investigations, White Collar, and National Security practice groups.
Ms. Neely has extensive experience working on Capitol Hill. She leverages that expertise to advise clients regarding their interactions with Congress and the executive branch. Over the course of ten years, Ms. Neely held several senior staff positions in Congress. She served as Director of Governmental Affairs for the Senate Homeland Security and Governmental Affairs and General Counsel to Senator Rob Portman. Under Senator Portman’s chairmanship, she also served as Deputy Chief Counsel for the Permanent Subcommittee on Investigations. In those roles, she managed Senator Portman’s regulatory reform agenda and led oversight of federal government agencies and investigations into private entities. She previously served in several other Capitol Hill offices including as Oversight Counsel for the House of Representatives Committee on Ways and Means.
Congressional Investigations: At Gibson Dunn, Ms. Neely has represented clients undergoing investigations by numerous congressional committees, including the Senate Permanent Subcommittee on Investigations; Senate Finance Committee; Senate Judiciary Committee; Senate Health, Education, Labor, and Pensions Committee; House Committee on Oversight and Accountability; House Judiciary Committee; and the House Energy and Commerce Committee. In the course of those representations, Ms. Neely assists clients in all stages of investigations, including responding to letter requests and subpoenas to preparing witnesses for interviews, depositions, and congressional hearings. She also has assisted clients appearing before independent commissions such as the Financial Crisis Inquiry Commission and the Commission on Wartime Contracting.
Public Policy: Ms. Neely also works with clients to advance their legislative interests on Capitol Hill by gathering intelligence, formulating strategic plans, and executing lobbying campaigns. In those matters, she has represented a wide range of clients from the fields of technology, healthcare, finance, and energy.
Regulatory Counseling: Ms. Neely regularly advises clients regarding their interests before regulatory agencies. Her expertise in the CHIPS and Science Act allows her to help clients comply with the Department of Commerce’s regulations and assist them in commenting on agency rules and applying for funding. She also works with clients to engage in the rulemaking process at agencies ranging from the Consumer Financial Protection Bureau to the Commodity Futures Trading Commission to the Securities and Exchange Commission.
Ms. Neely also has participated in a variety of litigation matters before state and federal trial and appellate courts, including several class action defense and False Claims Act cases.
Ms. Neely clerked for the Honorable David B. Sentelle, then-Chief Judge of the United States Court of Appeals for the District of Columbia Circuit. She earned her law degree cum laude from Duke University School of Law, where she served as the Articles Editor for both the Alaska Law Review and the Duke Journal of Constitutional Law & Public Policy. She was a member of the Duke Law Moot Court Board and served on the executive board of the Duke Law Federalist Society.
Ms. Neely graduated cum laude from Princeton University, where she majored in English and earned a certificate in Medieval Studies. She served for two years on United States Senator Elizabeth Dole’s staff as a legislative correspondent, focusing on banking, housing, budget, and tax issues. Ms. Neely is admitted to practice law in the District of Columbia and before the United States Courts of Appeals for the District of Columbia Circuit.
Emanuel S. Heller Professor of Law, University of California at Berkeley; Senior Research Fellow, School of Civic Leadership, Civitas Institute, University of Texas at Austin; Nonresident Senior Fellow, American Enterprise Institute
John Yoo is the Emanuel Heller Professor of Law. He is also Distinguished Visiting Scholar, School of Civic Leadership and Senior Research Fellow, Civitas Institute, at the University of Texas at Austin. He is also a Nonresident Senior Fellow at the American Enterprise Institute.
His most recent book, The Politically Incorrect Guide to the Supreme Court, co-authored with Robert Delahunty, was published in 2023. Professor Yoo’s other books include Defender-in-Chief: Trump’s Fight for Presidential Power; Striking Power: How Cyber, Robots, and Space Weapons Change the Rules for War, Point of Attack: Preventive War, International Law, and Global Welfare, and Crisis and Command: A History of Executive Power from George Washington to George Bush.
Professor Yoo has published more than 100 articles in academic journals on subjects including national security, constitutional law, international law, and the Supreme Court. He also regularly contributes to the editorial pages of the Wall Street Journal, New York Times, Washington Post, Los Angeles Times, and National Review, among others.
Professor Yoo has served in all three branches of government. He was an official in the U.S. Department of Justice, where he worked on national security and terrorism issues after the 9/11 attacks. He served as general counsel of the U.S. Senate Judiciary Committee. He has been a law clerk for Supreme Court Justice Clarence Thomas and federal appeals Judge Laurence Silberman. He has been a visiting professor at Seoul National University in South Korea, the Interdisciplinary Center in Israel, Keio University in Japan, Trento University in Italy, the University of Chicago, and the Free University of Amsterdam.
Professor Yoo supervises the Public Law and Policy Program and the California Constitution Center. He also serves on the boards of the Pacific Legal Foundation, the Federalist Society’s Separation of Powers and Federalism Division, the Universidad Cientifica del Sur Law School, and the Asia-Pacific Law Institute at Seoul National University. He is a winner of the Federalist Society’s Paul Bator award and been the Edwin Meese III Originalism Lecturer at the Heritage Foundation.
Professor Yoo graduated from Yale Law School and summa cum laude from Harvard College.
Chief Investigative Counsel, U.S. House of Representatives Committee on Oversight and Government Reform
Steve Castor is chief investigative counsel for the U.S. House of Representatives Committee on Oversight and Government Reform under committee Chairman Trey Gowdy (R-SC). He has served on the committee staff since 2005, and during his twelve-year tenure participated in a wide variety of high-profile oversight investigations. Prior to working for Congress, he practiced commercial litigation in Philadelphia and Washington, D.C. He earned his law degree from George Washington University.
Vice President, Networks, The Federalist Society for Law and Public Policy Studies
Nathan Kaczmarek is Vice President for Networks at the Federalist Society. He began his legal career in Detroit representing nationwide clients in all phases of healthcare litigation and complex medical malpractice claims. He has since served as a Senior Legal and Policy Advisor in the U.S. House of Representatives and as Counsel for the Subcommittee on Regulatory Affairs and Federal Management in the U.S. Senate. Prior to overseeing the Networks, he was Director of the Practice Groups, the Regulatory Transparency Project, and the Article I Initiative for the Federalist Society.
Nathan holds degrees from Hillsdale College and Thomas M. Cooley Law School. He is a Liaison Representative for The Administrative Conference of the United States. He also serves as Vice President of the Associates of St. John Bosco, a Virginia based non-profit dedicated to Catholic high school and college students.
Of Counsel, Gibson Dunn & Crutcher
Amanda H. Neely is of counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher and is a member of the Public Policy, Congressional Investigations, White Collar, and National Security practice groups.
Ms. Neely has extensive experience working on Capitol Hill. She leverages that expertise to advise clients regarding their interactions with Congress and the executive branch. Over the course of ten years, Ms. Neely held several senior staff positions in Congress. She served as Director of Governmental Affairs for the Senate Homeland Security and Governmental Affairs and General Counsel to Senator Rob Portman. Under Senator Portman’s chairmanship, she also served as Deputy Chief Counsel for the Permanent Subcommittee on Investigations. In those roles, she managed Senator Portman’s regulatory reform agenda and led oversight of federal government agencies and investigations into private entities. She previously served in several other Capitol Hill offices including as Oversight Counsel for the House of Representatives Committee on Ways and Means.
Congressional Investigations: At Gibson Dunn, Ms. Neely has represented clients undergoing investigations by numerous congressional committees, including the Senate Permanent Subcommittee on Investigations; Senate Finance Committee; Senate Judiciary Committee; Senate Health, Education, Labor, and Pensions Committee; House Committee on Oversight and Accountability; House Judiciary Committee; and the House Energy and Commerce Committee. In the course of those representations, Ms. Neely assists clients in all stages of investigations, including responding to letter requests and subpoenas to preparing witnesses for interviews, depositions, and congressional hearings. She also has assisted clients appearing before independent commissions such as the Financial Crisis Inquiry Commission and the Commission on Wartime Contracting.
Public Policy: Ms. Neely also works with clients to advance their legislative interests on Capitol Hill by gathering intelligence, formulating strategic plans, and executing lobbying campaigns. In those matters, she has represented a wide range of clients from the fields of technology, healthcare, finance, and energy.
Regulatory Counseling: Ms. Neely regularly advises clients regarding their interests before regulatory agencies. Her expertise in the CHIPS and Science Act allows her to help clients comply with the Department of Commerce’s regulations and assist them in commenting on agency rules and applying for funding. She also works with clients to engage in the rulemaking process at agencies ranging from the Consumer Financial Protection Bureau to the Commodity Futures Trading Commission to the Securities and Exchange Commission.
Ms. Neely also has participated in a variety of litigation matters before state and federal trial and appellate courts, including several class action defense and False Claims Act cases.
Ms. Neely clerked for the Honorable David B. Sentelle, then-Chief Judge of the United States Court of Appeals for the District of Columbia Circuit. She earned her law degree cum laude from Duke University School of Law, where she served as the Articles Editor for both the Alaska Law Review and the Duke Journal of Constitutional Law & Public Policy. She was a member of the Duke Law Moot Court Board and served on the executive board of the Duke Law Federalist Society.
Ms. Neely graduated cum laude from Princeton University, where she majored in English and earned a certificate in Medieval Studies. She served for two years on United States Senator Elizabeth Dole’s staff as a legislative correspondent, focusing on banking, housing, budget, and tax issues. Ms. Neely is admitted to practice law in the District of Columbia and before the United States Courts of Appeals for the District of Columbia Circuit.
Emanuel S. Heller Professor of Law, University of California at Berkeley; Senior Research Fellow, School of Civic Leadership, Civitas Institute, University of Texas at Austin; Nonresident Senior Fellow, American Enterprise Institute
John Yoo is the Emanuel Heller Professor of Law. He is also Distinguished Visiting Scholar, School of Civic Leadership and Senior Research Fellow, Civitas Institute, at the University of Texas at Austin. He is also a Nonresident Senior Fellow at the American Enterprise Institute.
His most recent book, The Politically Incorrect Guide to the Supreme Court, co-authored with Robert Delahunty, was published in 2023. Professor Yoo’s other books include Defender-in-Chief: Trump’s Fight for Presidential Power; Striking Power: How Cyber, Robots, and Space Weapons Change the Rules for War, Point of Attack: Preventive War, International Law, and Global Welfare, and Crisis and Command: A History of Executive Power from George Washington to George Bush.
Professor Yoo has published more than 100 articles in academic journals on subjects including national security, constitutional law, international law, and the Supreme Court. He also regularly contributes to the editorial pages of the Wall Street Journal, New York Times, Washington Post, Los Angeles Times, and National Review, among others.
Professor Yoo has served in all three branches of government. He was an official in the U.S. Department of Justice, where he worked on national security and terrorism issues after the 9/11 attacks. He served as general counsel of the U.S. Senate Judiciary Committee. He has been a law clerk for Supreme Court Justice Clarence Thomas and federal appeals Judge Laurence Silberman. He has been a visiting professor at Seoul National University in South Korea, the Interdisciplinary Center in Israel, Keio University in Japan, Trento University in Italy, the University of Chicago, and the Free University of Amsterdam.
Professor Yoo supervises the Public Law and Policy Program and the California Constitution Center. He also serves on the boards of the Pacific Legal Foundation, the Federalist Society’s Separation of Powers and Federalism Division, the Universidad Cientifica del Sur Law School, and the Asia-Pacific Law Institute at Seoul National University. He is a winner of the Federalist Society’s Paul Bator award and been the Edwin Meese III Originalism Lecturer at the Heritage Foundation.
Professor Yoo graduated from Yale Law School and summa cum laude from Harvard College.
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