Senior Vice President for Legal Studies, Cato Institute
Clark Neily is senior vice president for legal studies at the Cato Institute. His areas of interest include constitutional law, overcriminalization, civil forfeiture, police accountability, and gun rights. Neily is the author of Terms of Engagement: How Our Courts Should Enforce the Constitution’s Promise of Limited Government. His writing has appeared in the Wall Street Journal, Forbes, and National Review Online, as well as various law reviews, including the Harvard Journal of Law and Public Policy, George Mason Law Review, Georgetown Journal of Law and Public Policy, NYU Journal of Law and Liberty, and Texas Review of Law and Politics. Neily is a frequent guest speaker and lecturer for the Federalist Society, Institute for Humane Studies, and American Constitution Society.
Before joining Cato in 2017, Neily was a senior attorney and constitutional litigator at the Institute for Justice and director of the Institute’s Center for Judicial Engagement. He is also an adjunct professor at the University of Texas School of Law, where he teaches constitutional litigation and public-interest law.
Neily served as co-counsel in District of Columbia v. Heller, the historic case in which the Supreme Court held for the first time that the Second Amendment protects an individual right to own a gun for self-defense.
Neily began his legal career as a law clerk to Judge Royce Lamberth on the U.S. District Court for the District of Columbia. After that he spent four years in the trial department of the Dallas-based firm Thompson & Knight. Neily received his undergraduate and law degrees from the University of Texas, where he was Chief Articles Editor of the Texas Law Review.
Professor of Law, Stanford Law School
Orin S. Kerr is a Professor of Law at Stanford Law School, where he teaches and writes in the areas of criminal procedure and computer crime law. Kerr earned mechanical engineering degrees from Princeton University and Stanford University before graduating with a J.D. from Harvard Law School. He is a former law clerk to Justice Anthony M. Kennedy at the United States Supreme Court and Judge Leonard I. Garth of the U.S. Court of Appeals for the Third Circuit.
Chief Legal Officer & General Counsel, Americans United for Life
Steven H. Aden serves as Chief Legal Officer & General Counsel at Americans United for Life. Aden joined Americans United for Life in August 2017, overseeing all legal operations of America’s most effective pro-life organization. Aden is a highly experienced litigator, having appeared in court against Planned Parenthood and the abortion industry dozens of times and appointed by the attorneys general of six states to defend prolife laws. Mr. Aden secured court victories that upheld an Arizona law that resulted in six abortion businesses ceasing to offer abortion, applied Missouri’s abortion laws to chemical abortion and upheld the right of Louisiana regulators to shut down dangerous abortion facilities. A prolific author and analyst on sanctity of life issues and constitutional jurisprudence, Aden is admitted to the bars of the District of Columbia, Virginia, and Hawaii (inactive), and is a member of the bars of the U.S. Supreme Court and numerous federal circuit and district courts. He has practiced law since 1990 and earned his J.D. (cum laude) from Georgetown University Law Center and his B.A. from the University of Hawaii.
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.
Senior Fellow in Constitutional Jurisprudence, Independence Institute
Professor Robert G. Natelson is a constitutional scholar and author.
Rob’s constitutional scholarship has been cited repeatedly by justices and parties at the U.S. Supreme Court—as well as by federal appeals courts, and at least 18 state supreme courts.
Rob’s research into the Constitution’s original meaning has carried him to libraries throughout the United States and in Britain, including four months at Oxford University. His books and articles span many different parts of the Constitution, including groundbreaking studies of the Necessary and Proper Clause, the Indian Commerce Clause, federalism, Founding-Era interpretation, regulation of elections, and the amendment process of Article V. He created the first-ever online bibliography for 18th century materials used in constitutional research. He is a contributing author to the Encyclopedia of the Supreme Court of the United States (on Magna Carta). He contributed eight essays to the third edition of the Heritage Guide to the Constitution: five on the amendment procedure and one each on the Guarantee Clause, the Postal Clause, and the Recess Appointments Clause.
U.S. Supreme Court justices have relied explicitly on Rob’s research in 41 citations in 13 separate cases.
Professor of Law, University of Minnesota Law School
Professor James W. Coleman is a scholar of energy law. He specializes in North American energy infrastructure, transport, and trade. He is also a nonresident senior fellow at the American Enterprise Institute focused on energy policy.
Professor Coleman has testified before Congress on steps to speed up energy infrastructure permits. He also worked with a team of experts as part of Alberta's Royalty Review to revise the Canadian province's management of its vast oil and gas resources.
Before joining Minnesota, Professor Coleman taught at Southern Methodist University's Dedman School of Law, the University of Calgary’s law and business schools, and Harvard Law School. Earlier, he practiced environmental and appellate law at Sidley Austin in Washington, D.C., and clerked for the Honorable Steven M. Colloton of the U.S. Court of Appeals for the Eighth Circuit.
Professor Coleman received two degrees from Harvard University—a J.D. (cum laude) and B.A. in biology (magna cum laude with highest honors in the field). As a result of his undergraduate thesis on butterfly genetics, which required fieldwork in Central Asia, a species of lycaenid butterfly was named after him—Agrodiaetus ripartii colemani.
Shareholder, Brownstein, Hyatt, Farber, Shreck
With more than 20 years of experience both as a first-chair litigator and in public service, Greg Brower’s practice focuses on civil and criminal litigation, as well as regulatory and enforcement actions, corporate investigations, cybersecurity matters and federal and state government relations.
Most recently, Greg served as the assistant director for the Office of Congressional Affairs at the Federal Bureau of Investigation (FBI), serving as the FBI’s chief liaison to Congress on a wide range of critical oversight and investigative matters. He previously served as the FBI’s Deputy General Counsel, managing a diverse portfolio of legal matters, including litigation, privacy, procurement, compliance and ethics. During his time as a senior FBI executive, spanning two administrations, he worked closely with high-ranking officials in the U.S. Department of Justice (DOJ), the U.S. intelligence community and with key leaders on Capitol Hill. Greg is a regular commentator and contributor on national security, legal and cybersecurity issues, regularly appearing on CNN and MSNBC, and he is the featured contributor on white collar crime and corporate compliance for the Washington Legal Foundation’s Legal Pulse blog.
Greg has a long history of public service. At the federal level, he previously served as the U.S. Attorney for the District of Nevada, and as both General Counsel and Inspector General at the U.S. Government Publishing Office. Greg also served at DOJ as Legislative Counsel in the Executive Office for U.S. Attorneys. At the state level, he has served in a variety of public policy roles, including five terms in the Nevada Legislature, where he was chairman of the Senate Judiciary Committee. He has also served on the Nevada Gaming Policy Committee, the Nevada Advisory Commission on the Administration of Justice, the Nevada Sentencing Commission and the Nevada Juvenile Justice Commission.
Throughout his career, Greg has served the Nevada legal community as an adjunct professor of law at the William S. Boyd School of Law at the University of Nevada, Las Vegas, where he has taught courses in national security law and trial advocacy. Before attending law school, Greg served in the U.S. Navy as a Surface Warfare Officer.
Laurence A. Tisch Professor of Law and Director, Classical Liberal Institute, New York University School of Law; Director, Classical Liberal Institute, Civitas Institute University of Texas at Austin
Richard A. Epstein is the Laurence A. Tisch Professor of Law, at New York University, a senior research fellow at the Civitas Institute at the University of Texas Austin, and a senior Lecturer, the University of Chicago. He received an LL.D., h.c . from the University of Ghent, 2003 , and an LLD h.c . from the University of Siegen in 2018 and the Bradley Prize in 2011. He has been a member of the American Academy of Arts and Sciences since 1985. He has edited both the Journal of Legal Studies (1981-1991) and the Journal of Law and Economics (1991-2001). He is also a founder and director of the Classical Liberal Institute at NYU Law School. His most recent book is The Classical Liberal Constitution: The Uncertain Quest for Limited Government (2014). His other books include Takings: Private Property and the Power of Eminent Domain ( 1985); Bargaining with the State (1993); Simple Rules for a Complex World (1995); Principles for a Free Society: Reconciling Individual Liberty and the Common Good (1998); Skepticism and Freedom: A Modern Theory of Classical Liberalism (2003); Design for Liberty: Private Property, Public Administration and the Rule of Law (2011), and most recently, The Myth of Birthright citizenship—and Beyond (2026). He has taught courses in , administrative law, antitrust, constitutional, contracts, environmental law, land use planning; real property, torts and water law. He has written and spoken extensively on a wide range of topics, and is writes a regular column for Defining Ideas.
Partner, Mayer Brown LLP
Andrew Pincus is a partner in Mayer Brown LLP resident in Washington, D.C. His practice focuses on Supreme Court and appellate litigation.
Andy has argued 29 cases in the Supreme Court of the United States, including Lamps Plus, Inc. v. Varela and Frank v. Gaos in the October 2018 Term; as well as his recent victories in Impression Products, Inc. v. Lexmark International, Inc. (2017); Kindred Nursing Home Centers Limited Partnership v. Clark (2017); and Spokeo, Inc. v. Robins (2016). Law360 ranked Andy’s victory in AT&T Mobility v. Concepcion (2011), as the most important Supreme Court class action decision of the last 15 years.
Andy appears regularly before federal and state appellate courts and federal district courts. His practice also includes written and oral advocacy before Congress, other legislative bodies, and regulatory agencies regarding a variety of policy and legal issues.
A former Assistant to the Solicitor General in the United States Department of Justice (1984-1988), Andy co-founded and serves as co-director of the Yale Law School's Supreme Court Advocacy Clinic (2006-present), which provides pro bono representation in 10-15 Supreme Court cases each year.
While serving as General Counsel of the United States Department of Commerce (1997-2000), Andy had principal responsibility for the Digital Millennium Copyright Act and the Electronic Signatures in Global and National Commerce Act. He also participated in formulation of policy concerning privacy, domain name management, taxation of electronic commerce, export controls, international trade, and consumer protection.
Andy is a graduate of Yale College and Columbia Law School, where he was a Notes & Comments Editor of the Columbia Law Review. He served as Law Clerk to the Honorable Harold H. Greene, United States District Court for the District of Columbia (1981-1982).
Partner, Stone Pigman Walther Wittmann LLC
Mr. Thomson concentrates his practice in white collar criminal defense, government investigations, and corporate compliance. He has tried over 50 criminal trials to verdict in federal and state courts, and has experience in appellate litigation. His practice also includes civil litigation and information security. Prior to joining Stone Pigman, Mr. Thomson had a 23 year career as a federal prosecutor with the U.S. Department of Justice. He served on special assignment with the National Security Agency, where he worked on matters involving information assurance and intelligence collection.
Prior to private practice, Mr. Thomson was recognized numerous times by government agencies, including a Special Commendation Award given by the U.S. Attorney General for completing the Justice Department's Leadership Excellence and Achievement Program; Special Commendation by FBI Director for outstanding performance for successful corruption prosecution after Hurricane Katrina; Special Award from the U.S. Postal Service for prosecution of corrupt employee; Special Award by New Orleans Police Department, ATF and U.S. Department of Justice for his contributions to Project Exile; and Special Awards for Outstanding Contributions to Drug Law Enforcement from the Drug Enforcement Administration.
Acting Assistant Commissioner of Customs and Border Protection, Office of Professional Responsibility, U.S. Department of Homeland Security
Brian M. Fish is currently the Senior Advisor to the General Counsel at the Department of Homeland Security where he works on immigration and law enforcement issues. Previously, he was a trial attorney with the United States Immigration and Customs Enforcement, where he represented the Department of Homeland Security in removal hearings before the U.S. Immigration Court. Additionally, he was a Special Assistant United States Attorney and a Baltimore City homicide prosecutor. He is a member of the Federalist Society's Criminal Law & Procedure Practice Group Executive Committee and the President of its Baltimore Lawyers Chapter. He earned his B.A. from LaSalle University in 1992 and his J.D. from Loyola University New Orleans School of Law in 1998.
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