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.
Maurice and Hilda Friedman Professor of Law, Columbia Law School; CEO, New Civil Liberties Alliance
Philip Hamburger is the Maurice and Hilda Friedman Professor of Law at Columbia Law School, and Chief Executive Officer at the New Civil Liberties Alliance. Before coming to Columbia, he was the John P. Wilson Professor at the University of Chicago Law School.
He writes on constitutional law and its history—with particular emphasis on religious liberty, freedom of speech and the press, judicial office, administrative power, and unconstitutional conditions.
His books are Separation of Church and State (Harvard 2002), Law and Judicial Duty (Harvard 2008), Is Administrative Law Unlawful? (Chicago 2014), The Administrative Threat (Encounter 2017), and Liberal Suppression: Section 501(c)(3) and the Taxation of Speech (Chicago 2018). A forthcoming book is Purchasing Submission: Conditions, Power, and Freedom (Harvard 2021).
He is a member of the American Academy of Arts and Sciences, and he has served on the board of directors of the American Society for Legal History. He has twice received the Sutherland Prize for the most significant contribution to English legal history, and has been awarded the Henry Paolucci - Walter Bagehot Book Award, the Hayek Book Prize, and the Bradley Prize.
Former Managing Director, BlackRock Inc.
Joanne Medero was until July 2020 a Managing Director at BlackRock where she was member of their Global Public Policy Group and a Senior Advisor to the Vice Chairman on the intersection of public policy and corporate governance. In June 2021, Ms. Medero was appointed a director/trustee of the Nuveen Funds.
Ms. Medero's service with BlackRock dates back to 1996, including her years with Barclays Global Investors (BGI), which merged with BlackRock in 2009. She joined BGI as its Global General Counsel in 1996 and after more than ten years in that role, became the global head of Government Relations and Public Policy for Barclays’ investment banking and investment management businesses. Prior to joining BGI, Ms. Medero was a partner with Orrick, Herrington and Sutcliffe specializing in derivatives and market regulation issues. Ms. Medero also served as general counsel of the Commodity Futures Trading Commission (1989-1993) and as an associate director for legal and financial affairs at the Office of Presidential Personnel, The White House (1986-1989).
Ms. Medero is a graduate of St. Lawrence University and received her JD from George Washington University.
District Court Judge, United States Court of Appeals, 2nd Circuit
Bianco has served as a United States District Court judge for the Eastern District of New York since 2006. Most notably, he presided over several cases involving the MS-13 gang.
Prior to his confirmation to the bench, he spent portions of his career working in government, as both senior counsel/deputy assistant attorney general for the Department of Justice Criminal Division from 2004 to 2006, and as an assistant United States attorney for the Southern District of New York from 1994 to 2003. Bianco also worked in private practice as counsel at Debevoise & Plimpton LLP from 2003 to 2004, and as an associate at Simpson Thacher & Bartlett LLP from 1991 to 1992 and 1993 to 1994.
Bianco clerked for Judge Peter K. Leisure on the District Court for the Southern District of New York from 1992 to 1993. He received his J.D. from Columbia University School of Law in 1991 and his B.A. from Georgetown University in 1988.
Bianco has been a member of the Federalist Society since 2004.
Professor of Law and Public Policy, Pepperdine University Caruso School of Law
Greg McNeal is an award winning entrepreneur, professor, and investor. He co-founded AirMap, a multinational aerospace and defense company honored as one of the “World’s Most Innovative Companies” by Fast Company and ranked as an Inc.com 25 Most Disruptive Company. The company also received a Los Angeles Business Journal Innovation Award, and a Consumer Electronics Show “Innovation Award.” The company was acquired in 2021.
He invests in and advises companies and entrepreneurs in SAAS, Defense, AI, and entertainment. The companies he founded or serves on the corporate board of have raised over $100 million in funding with his direct participation in the process. Those investors include Microsoft, Flexport, Sony, Qualcomm, Rakuten, Baidu, Airbus, and top global financial services and venture capital funds including Greycroft, Social Capital, General Catalyst, Lux Capital, Bullpen Capital, Bay Bridge Ventures, Teamworthy Ventures, Operate Studio, TenOneTen, Temasek, Macquarie Group, Graph Ventures and many others. The companies he advises have raised substantially more funding, in part due to his advice and mentorship.
He is a tenured Professor of Law and Public Policy at Pepperdine University and a faculty member with the Palmer Center for Entrepreneurship and the Law and teaches courses in technology, public policy, internet, and privacy law.
As a public policy and legal expert, Greg has worked with the White House, the Department of Defense, the State Department, and independent regulatory agencies on matters related to technology, law and policy. He has on multiple occasions testified before Congress and state legislatures about entrepreneurship and emerging technology and has aided state legislators, cities, municipalities, and executive branch officials in drafting legislation and ordinances related to technological advances and has been appointed by Cabinet officials to serve on Federal Rulemaking Committees.
He is a frequent keynote speaker at industry events and academic conferences related to technology, law, and public policy. He advises venture capital firms and other investors, start-ups, law enforcement, consulting firms, and Fortune 500 companies about the legal and regulatory issues associated with emerging technologies.
He regularly appears on television and radio to discuss technology and business, wrote a column on business and technology for Forbes and has authored Op-Eds for the New York Times, the Washington Post, and The Washington Times, among others. In his early career he worked on national security, international criminal law and counterterrorism matters and served as an Army officer.
Professor of Law and Public Policy, Pepperdine University Caruso School of Law
Greg McNeal is an award winning entrepreneur, professor, and investor. He co-founded AirMap, a multinational aerospace and defense company honored as one of the “World’s Most Innovative Companies” by Fast Company and ranked as an Inc.com 25 Most Disruptive Company. The company also received a Los Angeles Business Journal Innovation Award, and a Consumer Electronics Show “Innovation Award.” The company was acquired in 2021.
He invests in and advises companies and entrepreneurs in SAAS, Defense, AI, and entertainment. The companies he founded or serves on the corporate board of have raised over $100 million in funding with his direct participation in the process. Those investors include Microsoft, Flexport, Sony, Qualcomm, Rakuten, Baidu, Airbus, and top global financial services and venture capital funds including Greycroft, Social Capital, General Catalyst, Lux Capital, Bullpen Capital, Bay Bridge Ventures, Teamworthy Ventures, Operate Studio, TenOneTen, Temasek, Macquarie Group, Graph Ventures and many others. The companies he advises have raised substantially more funding, in part due to his advice and mentorship.
He is a tenured Professor of Law and Public Policy at Pepperdine University and a faculty member with the Palmer Center for Entrepreneurship and the Law and teaches courses in technology, public policy, internet, and privacy law.
As a public policy and legal expert, Greg has worked with the White House, the Department of Defense, the State Department, and independent regulatory agencies on matters related to technology, law and policy. He has on multiple occasions testified before Congress and state legislatures about entrepreneurship and emerging technology and has aided state legislators, cities, municipalities, and executive branch officials in drafting legislation and ordinances related to technological advances and has been appointed by Cabinet officials to serve on Federal Rulemaking Committees.
He is a frequent keynote speaker at industry events and academic conferences related to technology, law, and public policy. He advises venture capital firms and other investors, start-ups, law enforcement, consulting firms, and Fortune 500 companies about the legal and regulatory issues associated with emerging technologies.
He regularly appears on television and radio to discuss technology and business, wrote a column on business and technology for Forbes and has authored Op-Eds for the New York Times, the Washington Post, and The Washington Times, among others. In his early career he worked on national security, international criminal law and counterterrorism matters and served as an Army officer.
Justice, Supreme Court of Arizona
Clint Bolick was appointed by Governor Doug Ducey in January 2016 to serve on the Arizona Supreme Court and was retained by the voters in 2018 and 2024.
Prior to joining the Court, Justice Bolick litigated constitutional cases in state and federal courts from coast to coast, including the U.S. Supreme Court. Among other positions, he served as Vice President for Litigation at the Goldwater Institute and as Co-founder and Vice President for Litigation at the Institute for Justice. He has litigated in support of school choice, freedom of enterprise, private property rights, freedom of speech, and federalism, and against racial classifications and government subsidies.
Justice Bolick received his Juris Doctor degree from the University of California at Davis, where he has been recognized as a distinguished alumnus, and his Bachelor of Arts degree magna cum laude from Drew University. He serves as a research fellow with the Hoover Institution. Among other honors, he was named one of the 90 Greatest DC Lawyers in the Last 30 Years by Legal Times in 2008, received a Bradley Prize in 2006, and was recognized as one of the nation’s three lawyers of the year by American Lawyer in 2002 for his successful defense of school vouchers in Zelman v. Simmons-Harris.
Justice Bolick is a prolific author of a dozen books and hundreds of articles. Among his most recent books are Unshackled: Freeing America’s K-12 Education System: Immigration Wars: Forging an American Solution, co-authored with former Florida Governor Jeb Bush; and David’s Hammer: The Case for an Activist Judiciary. Bolick serves as an adjunct professor of constitutional law at Arizona State University’s Sandra Day O’Connor School of Law and has served as a lecturer at Harvard University’s John F. Kennedy School of Government.
Professor of Law and Faculty Fellow, Center for the Study of Law, Arizona Law
Judge, United States Court of Appeals, District of Columbia Circuit
Judge Katsas was appointed to the D.C. Circuit in December 2017. He graduated from Princeton University and Harvard Law School, where he was an executive editor on the Harvard Law Review. Between 1989 and 1992, he served as a law clerk to Judge Edward Becker on the Third Circuit, to then-Judge Clarence Thomas on the D.C. Circuit, and to Justice Thomas on the Supreme Court. Between 1992 and 2001, he was an associate and then partner in the Washington office of Jones Day, where he specialized in appellate and complex civil litigation. Between 2001 and 2009, he served in many senior positions in the Department of Justice, including as Assistant Attorney General for the Civil Division and as Acting Associate Attorney General. In 2009, he returned to Jones Day. From January to December 2017, he served as Deputy Assistant to the President and Deputy Counsel to the President.
Before joining the bench, Judge Katsas argued more than 75 appeals, including three cases in the Supreme Court, 13 cases in the D.C. Circuit, and cases in every other federal court of appeals. By appointment of the Chief Justice, he served on the Advisory Committee on Appellate Rules from 2013 to 2017. In 2016, he was elected to membership in the American Academy of Appellate Lawyers.
Tazewell Taylor Professor of Law and William H. Cabell Research Professor, William & Mary Law School
Jonathan H. Adler joined the William & Mary law faculty as the Tazwell Taylor Professor of Law and William H. Cabell Research Professor in 2025. Prior to joining the faculty, he was the inaugural Johan Verheij Memorial Professor of Law and the founding Director of the Coleman P. Burke Center for Environmental Law at the Case Western Reserve University School of Law.
Professor Adler is the author or editor of seven books, including Climate Liberalism: Perspectives on Liberty, Property and Pollution (Palgrave, 2023), Marijuana Federalism: Uncle Sam and Mary Jane (Brookings Institution Press, 2020), Business and the Roberts Court (Oxford University Press, 2016) and Rebuilding the Ark: New Perspectives on Endangered Species Act Reform (AEI Press, 2011).
His articles have appeared in publications ranging from the Harvard Environmental Law Review and Yale Journal on Regulation to the Wall Street Journal, New York Times, and Washington Post. He has testified before Congress a dozen times, and his work has been cited in the U.S. Supreme Court. A 2024 study identified Professor Adler as the seventh most cited legal academic in administrative and environmental law from 2019 to 2023.
Professor Adler is a contributing editor to Civitas Outlook and a regular contributor to the popular legal blog, The Volokh Conspiracy. A regular commentator on constitutional and regulatory issues, he has appeared on numerous radio and television programs, ranging from the PBS Newshour and National Public Radio to the Fox News Channel and Entertainment Tonight.
Professor Adler is a senior fellow at the Property & Environment Research Center in Bozeman, Montana. In 2018, Professor Adler was elected to membership in the American Law Institute and helped co-found the organization Checks and Balances. In 2024, Professor Adler was appointed a public member of the Administrative Conference of the United States.
Professor Adler clerked for the Honorable David B. Sentelle on the U.S. Court of Appeals for the District of Columbia Circuit.
Partner, The Gardner Law Firm
David F. Barton has extensive experience in environmental, government and government contract, and corporate law. He joined The Gardner Law Firm in 1996 after serving as a United States Air Force JAG officer as well as having six years of private practice with firms in Texas. Mr. Barton counsels clients in environmental matters, government contracts, regulatory compliance, commercial law, and litigation related to those areas. He represents industries, businesses and government units on matters involving water, air, solid and hazardous waste, toxins, wetlands, endangered species, historic preservation, NEPA, Superfund, and federal and state court litigation in those areas. He has taught courses in criminal law, litigation, administration of justice and environmental crimes at several universities throughout the United States, and he has been a guest speaker at environmental law and government contract seminars. Mr. Barton has been licensed to practice in Texas since 1991, and is also licensed in Arkansas. He is admitted to practice before the United States Supreme Court, the United States Court of Federal Claims, the United States Court of Military Appeals, and several United States Circuit Courts of Appeals and United States District Courts. He is a member of the State Bar of Texas (Environmental & Natural Resources Section, among others); College of the State Bar of Texas, the Arkansas Bar Association, the Arkansas Bar Foundation (Fellow), the Association of Trial Lawyers of America, and the San Antonio Bar Association (Environmental Section). He is also an active participant in the San Antonio Manufacturers Association, the Alamo Area Chapter - Air & Waste Management Association, and Citizens Advisory Panel of the San Antonio Water System.
University of Arkansas, J.D., 1975; Central Methodist College; University of Missouri at Columbia, B.A., 1967
Board Member, Center for Equal Opportunity
Roger Clegg is a Board Member at and former President and General Counsel of the Center for Equal Opportunity. He focuses on legal issues arising from civil rights laws--including the regulatory impact on business and the problems in higher education created by affirmative action. A former Deputy Assistant Attorney General in the Reagan and Bush administrations, Clegg held the second highest positions in both the Civil Rights Division (1987-91) and in the Environment and Natural Resources Division (1991-93). He has held several other positions at the U.S. Justice Department, including Assistant to the Solicitor General (1985-87), Associate Deputy Attorney General (1984-85), and Acting Assistant Attorney General in the Office of Legal Policy (1984). Clegg is a graduate of Yale University Law School (1981).
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