Senior Litigation Counsel, New Civil Liberties Alliance
Mr. Vecchione is a Senior Litigation Counsel for the non-profit New Civil Liberties Alliance representing clients against the Administrative State. He was previously President and CEO of the non-profit Cause of Action Institute, also advancing the constitutional order. He practiced at a number of D.C. area firms, including the eponymous John J. Vecchione Law, PLLC. Mr. Vecchione focuses his practice on strategic litigation in the federal district and appellate courts, including the Supreme Court of the United States. He is an experienced trial and appellate advocate having tried cases and argued appeals across the country. He is a member of the bars of the State of New York, the District of Columbia, and the Commonwealth of Virginia, as well as the Supreme Court of the United States and many federal courts. His cases are reported in scores of published opinions. He has also published pieces advancing the freedom agenda and constitutional order in the Wall Street Journal, the Washington Times and many other forums. He lives in Virginia with his wife Rebecca, sons Tommy and Joe.
Partner, Fusion Law, PLLC
Paul is the founding partner of Fusion Law, PLLC. He has extensive experience with state, federal, and global regulators building coalitions and implementing policies to promote innovation in financial services. He is responsible for designing and implementing the first state (Arizona) and federal (CFPB) FinTech sandboxes in the United States. He also designed the CFPB no-action letter and trial disclosure policies. He helped found the first global regulatory innovation coalition (Global Financial Innovation Network) and led the founding of the first U.S. regulatory innovation coalition (American Consumer Financial Innovation Network). He served on the Financial Stability Oversight Council subcommittee on digital assets. He also has drafted state-level laws on blockchain and utility tokens.
Paul also has significant enforcement and litigation experience. He led many multi-state consumer protection enforcement matters as Civil Litigation Division Chief at the Arizona Attorney General’s Office.
Prior to his government service, Paul practiced law in the areas of securities litigation and transactional work for approximately six years at two well-known law firms. He also clerked on the U.S. Court of Appeals for the Fourth Circuit.
Legal Counsel, Alliance Defending Freedom
Kathleen Barceleau serves as legal counsel for Allied Legal Affairs and Advocacy Strategy at Alliance Defending Freedom. In that role, she works to coordinate and deploy network attorneys to further ADF’s mission and conducts research in support of ADF’s strategic plans.
Before joining ADF, Barceleau was Of Counsel at Fusion Law, where she focused on financial regulation and policy issues. Previously, she served as an Assistant Attorney General for the State of Kansas, where she represented Kansas and its officials in civil rights and constitutional litigation in both state and federal courts. She also served as a law clerk to the Hon. Robert H. Cleland on the U.S. District Court for the Eastern District of Michigan.
Barceleau received her J.D. summa cum laude from Ave Maria School of Law. She is a 2016 Blackstone Fellow. Before law school, Barceleau graduated summa cum laude from Ave Maria University with a Bachelor of Arts in Classics and Early Christian Literature and Economics. Barceleau is admitted to the state bar of Michigan.
Samuel H. McCoy II Professor of Law, University of Virginia School of Law
John F. Duffy is the Samuel H. McCoy II Professor of Law and Class of 1966 Research Professor of Law at the University of Virginia School of Law, where he teaches administrative law, torts and intellectual property. Professor Duffy has published articles on a wide range of administrative law and regulatory issues in journals such as University of Chicago Law Review, Yale Law Journal, Stanford Law Review, Virginia Law Review, Columbia Law Review, Texas Law Review, Northwestern University Law Review, NYU Law Review, University of Pennsylvania Law Review and the Supreme Court Review. His 1998 article Administrative Common Law in Judicial Review, 77 Tex. L. Rev. 113 (1998), was one of the first articles to criticize the Chevron doctrine as being irreconcilable with § 706 of the APA; it won the American Bar Association’s Scholarship Award in Administrative Law. His 2008 article “Are Administrative Patent Judges Unconstitutional?” was covered on National Public Radio), in the New York Times (Adam Liptak, In One Flaw, Questions on Validity of 46 Judges, May 6, 2008), and in the Wall Street Journal (Dan Slater, Patently Unconstitutional, May 6, 2008). The NYT and WSJ agreed that he was “a different kind of law professor,” “one of the lucky few” whose “writings actually wind up changing the law.”
As an attorney in the courts, Duffy has twice successfully convinced the Supreme Court to overturn lower court doctrines that had been applied in many cases over decades but that were unanimously held to be irreconcilable with Supreme Court precedents. See TC Heartland v. Kraft Foods Group Brands, 581 U.S. 258 (2017); KSR v. Teleflex, 550 U.S. 398 (2007).
Prior to entering legal academics, Duffy clerked on the D.C. Circuit for Stephen Williams and on the Supreme Court for Antonin Scalia. While clerking, he became known as Justice Scalia’s “hapless law clerk,” who had been tasked with unearthing three-quarters of a century of legislative history that made “no difference” to the outcome in an otherwise forgettable case. See Conroy v. Aniskoff, 507 U.S. 511, 527-28 (1993) (Scalia, J., concurring in the judgment).
In earlier days, Duffy enjoyed being a professional blackjack player unwelcome in all Atlantic City casinos and a semi-professional road runner (best marathon time 2:24:33). He holds an A.B. in physics from Harvard and a J.D. from the University of Chicago.
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.
Associate Dean for Research and Intellectual Life, McKnight Presidential Professor in Law, Distinguished McKnight University Professor, Harlan Albert Rogers Professor in Law, Associate Director, Corporate Institute, University of Minnesota Law School
Professor Kristin E. Hickman is the McKnight Presidential Professor in Law, a Distinguished McKnight University Professor, and Harlan Albert Rogers Professor in Law at the University of Minnesota Law School. She also has taught at Harvard Law School and Northwestern University School of Law. Professor Hickman teaches and writes primarily in the areas of administrative law, tax administration, and statutory interpretation. Her articles on these topics have appeared in the Columbia Law Review, Cornell Law Review, Virginia Law Review, Duke Law Journal, and other publications. She also co-authors the Administrative Law Treatise with Richard J. Pierce, Jr., and a casebook on federal administrative law with Pierce and Christopher J. Walker. Her scholarly work has been cited several times in opinions of the United States Supreme Court as well as regularly in lower court judicial opinions and court briefs.
In 2018-19, Professor Hickman served as Special Adviser to the Administrator of the Office of Information and Regulatory Affairs in Washington, D.C. She presently serves as a Senior Fellow, and previously served as a public member and chair of the judicial review committee, for the Administrative Conference of the United States. She also is a Fellow of the American College of Tax Counsel.
Professor Hickman received her B.S. degree in business administration with a concentration in accounting and a secondary major in history from Trinity University in San Antonio, Texas. After practicing for several years as a certified public accountant, Professor Hickman earned her J.D. degree, magna cum laude, from Northwestern University School of Law, where she was awarded the Raoul Berger Prize and the Lowden Wigmore Prize for her scholarly writings. Following law school, Professor Hickman clerked for The Honorable David B. Sentelle of the United States Court of Appeals for the District of Columbia Circuit and practiced law as an associate with the Chicago office of Skadden, Arps, Slate, Meagher & Flom, concentrating on corporate and international tax transactions and matters.
Deputy Secretary of Agriculture, U.S. Department of Agriculture
Judge Stephen Alexander Vaden was appointed as the Deputy Secretary of the U.S. Department of Agriculture on July 7, 2025. Alongside Secretary Brooke L. Rollins, Deputy Secretary Vaden leads the Department’s operations and implements policies that support America’s food and farm systems. A native of Union City, Tennessee, Deputy Secretary Vaden brings expertise in agricultural policy, law, and rural development. Previously, he served as a judge on the U.S. Court of International Trade and as General Counsel of USDA. Throughout Deputy Secretary Vaden’s time as General Counsel, he led successful Supreme Court litigation, advanced regulatory reform, and supported the implementation of the 2018 Farm Bill. He is a graduate of Yale Law School and Vanderbilt University. A public servant with strong agricultural roots, Deputy Secretary Vaden is committed to revitalizing rural America and ensuring an abundant, affordable, and safe U.S. food supply.
Samuel H. McCoy II Professor of Law, University of Virginia School of Law
John F. Duffy is the Samuel H. McCoy II Professor of Law and Class of 1966 Research Professor of Law at the University of Virginia School of Law, where he teaches administrative law, torts and intellectual property. Professor Duffy has published articles on a wide range of administrative law and regulatory issues in journals such as University of Chicago Law Review, Yale Law Journal, Stanford Law Review, Virginia Law Review, Columbia Law Review, Texas Law Review, Northwestern University Law Review, NYU Law Review, University of Pennsylvania Law Review and the Supreme Court Review. His 1998 article Administrative Common Law in Judicial Review, 77 Tex. L. Rev. 113 (1998), was one of the first articles to criticize the Chevron doctrine as being irreconcilable with § 706 of the APA; it won the American Bar Association’s Scholarship Award in Administrative Law. His 2008 article “Are Administrative Patent Judges Unconstitutional?” was covered on National Public Radio), in the New York Times (Adam Liptak, In One Flaw, Questions on Validity of 46 Judges, May 6, 2008), and in the Wall Street Journal (Dan Slater, Patently Unconstitutional, May 6, 2008). The NYT and WSJ agreed that he was “a different kind of law professor,” “one of the lucky few” whose “writings actually wind up changing the law.”
As an attorney in the courts, Duffy has twice successfully convinced the Supreme Court to overturn lower court doctrines that had been applied in many cases over decades but that were unanimously held to be irreconcilable with Supreme Court precedents. See TC Heartland v. Kraft Foods Group Brands, 581 U.S. 258 (2017); KSR v. Teleflex, 550 U.S. 398 (2007).
Prior to entering legal academics, Duffy clerked on the D.C. Circuit for Stephen Williams and on the Supreme Court for Antonin Scalia. While clerking, he became known as Justice Scalia’s “hapless law clerk,” who had been tasked with unearthing three-quarters of a century of legislative history that made “no difference” to the outcome in an otherwise forgettable case. See Conroy v. Aniskoff, 507 U.S. 511, 527-28 (1993) (Scalia, J., concurring in the judgment).
In earlier days, Duffy enjoyed being a professional blackjack player unwelcome in all Atlantic City casinos and a semi-professional road runner (best marathon time 2:24:33). He holds an A.B. in physics from Harvard and a J.D. from the University of Chicago.
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.
Associate Dean for Research and Intellectual Life, McKnight Presidential Professor in Law, Distinguished McKnight University Professor, Harlan Albert Rogers Professor in Law, Associate Director, Corporate Institute, University of Minnesota Law School
Professor Kristin E. Hickman is the McKnight Presidential Professor in Law, a Distinguished McKnight University Professor, and Harlan Albert Rogers Professor in Law at the University of Minnesota Law School. She also has taught at Harvard Law School and Northwestern University School of Law. Professor Hickman teaches and writes primarily in the areas of administrative law, tax administration, and statutory interpretation. Her articles on these topics have appeared in the Columbia Law Review, Cornell Law Review, Virginia Law Review, Duke Law Journal, and other publications. She also co-authors the Administrative Law Treatise with Richard J. Pierce, Jr., and a casebook on federal administrative law with Pierce and Christopher J. Walker. Her scholarly work has been cited several times in opinions of the United States Supreme Court as well as regularly in lower court judicial opinions and court briefs.
In 2018-19, Professor Hickman served as Special Adviser to the Administrator of the Office of Information and Regulatory Affairs in Washington, D.C. She presently serves as a Senior Fellow, and previously served as a public member and chair of the judicial review committee, for the Administrative Conference of the United States. She also is a Fellow of the American College of Tax Counsel.
Professor Hickman received her B.S. degree in business administration with a concentration in accounting and a secondary major in history from Trinity University in San Antonio, Texas. After practicing for several years as a certified public accountant, Professor Hickman earned her J.D. degree, magna cum laude, from Northwestern University School of Law, where she was awarded the Raoul Berger Prize and the Lowden Wigmore Prize for her scholarly writings. Following law school, Professor Hickman clerked for The Honorable David B. Sentelle of the United States Court of Appeals for the District of Columbia Circuit and practiced law as an associate with the Chicago office of Skadden, Arps, Slate, Meagher & Flom, concentrating on corporate and international tax transactions and matters.
Deputy Secretary of Agriculture, U.S. Department of Agriculture
Judge Stephen Alexander Vaden was appointed as the Deputy Secretary of the U.S. Department of Agriculture on July 7, 2025. Alongside Secretary Brooke L. Rollins, Deputy Secretary Vaden leads the Department’s operations and implements policies that support America’s food and farm systems. A native of Union City, Tennessee, Deputy Secretary Vaden brings expertise in agricultural policy, law, and rural development. Previously, he served as a judge on the U.S. Court of International Trade and as General Counsel of USDA. Throughout Deputy Secretary Vaden’s time as General Counsel, he led successful Supreme Court litigation, advanced regulatory reform, and supported the implementation of the 2018 Farm Bill. He is a graduate of Yale Law School and Vanderbilt University. A public servant with strong agricultural roots, Deputy Secretary Vaden is committed to revitalizing rural America and ensuring an abundant, affordable, and safe U.S. food supply.
Director, Faculty Relations, The Federalist Society
Katie McClendon is the Director of Faculty Relations at the Federalist Society, where she has worked since 2015.
Katie holds a J.D. from the University of Pennsylvania Law School and a B.A. in Political Science from Biola University, where she was a member of the Torrey Honors Institute. She is a fellow of the John Jay Institute and the Blackstone Legal Fellowship. Katie is originally from Los Angeles, and she now lives with her husband and four children in Atlanta.
Judge, United States District Court, District of Columbia
Judge Trevor N. McFadden was appointed to the United States District Court for the District of Columbia in 2017. He received his B.A. in 2001 from Wheaton College, IL, magna cum laude. In 2006, he received his J.D. from the University of Virginia School of Law, where he graduated Order of the Coif and was an editor for the Virginia Law Review.
Following graduation from law school, Judge McFadden clerked for Judge Steven Colloton, U.S. Court of Appeals for the Eighth Circuit. He then joined the U.S. Department of Justice, where he served as Counsel to the Deputy Attorney General and as Assistant U.S. Attorney in the District of Columbia. Judge McFadden subsequently became a partner at Baker & McKenzie LLP in Washington, DC, where he focused on white collar investigations. He is also co-author of a treatise, Corporate Settlement Tools: DPAs, NPAs, and Cooperation Agreements.
After four years in private practice, Judge McFadden returned to the U.S. Department of Justice, where he was Deputy Assistant Attorney General and acted as the second-in-command of the Department's Criminal Division. As Deputy Assistant Attorney General, he managed the Division's Fraud and Appellate Sections.
Judge McFadden also has extensive experience in law enforcement. He served as an officer with the Fairfax County, VA, Police Department and as a deputy sheriff in Madison County, VA.
Professor of Law, University of Baltimore Law School
Kimberly Wehle (formerly Kimberly N. Brown) joined the law school after several years of teaching as an Associate Professor at the University of Oklahoma College of Law and a Visiting Professor at the George Washington University Law School. She teaches and writes in the areas of administrative law, federal courts and civil procedure. She is particularly interested in separation of powers questions, as well as in the constitutional implications of structural and technological innovations in modern government.
Wehle is the author of three books that explain complex constitutional concepts for lay audiences. She is a contributor for BBC World News and BBC World News America on PBS, and an opinion contributor to The Atlantic, Politico, The Bulwark and The Hill. She was an on-air legal analyst and commentator for CBS News. In addition, she appears regularly as a guest legal analyst on constitutional topics such as separation of powers and impeachment with outlets including CNN, MSNBC, NPR’s Morning Edition, PBS NewsHour and Fox News. Her articles have also appeared in The Baltimore Sun, The Los Angeles Times, and NBC News Think. She is regularly interviewed and cited by prominent print journalists on a range of newsworthy legal issues.
She hosts a show on Instagram called #SimplePolitics with Kim Wehle at @kimwehle. She also tweets @kimwehle. She is the 2020 recipient of the prestigious University of Maryland System Board of Regents Faculty Award for excellence in scholarship.
Wehle's scholarship addresses the constitutional relationship of independent agencies and private contractors to the enumerated branches of government. Her articles have appeared in the Notre Dame Law Review, the Indiana Law Journal and the North Carolina Law Review, among others, and her work is cited in a leading federal courts casebook.
Wehle was an editor of the Michigan Law Review and clerked for the Hon. Charles R. Richey of the United States District Court for the District of Columbia. She went on to practice, first at the Federal Trade Commission and subsequently as an Associate Independent Counsel in the Office of Independent Counsel Kenneth W. Starr, and as an Assistant U.S. Attorney in the Civil Division of the Office of the United States Attorney in Washington, D.C.
She has practiced before the United States Supreme Court and argued several cases in the United States Court of Appeals for the D.C. Circuit.
Wehle is also an advisor to the nonpartisan nonprofit, Protect Democracy.
Deputy Director, Regulatory Studies Center, George Washington University
Will Yeatman is deputy director of the GW Regulatory Studies Center. A lawyer, he has spent almost two decades working on federal regulatory policy, with an emphasis on administrative law.
Yeatman has testified many times before Congress and state legislatures, and his scholarly work has appeared in such academic journals as Georgetown Law Journal, Administrative Law Review, and the (forthcoming) Catholic University Law Review. His popular writing has appeared in The Wall Street Journal, Foreign Policy, and Bloomberg.
Yeatman came to the RSC from the Pacific Legal Foundation. Previously, he had been at the Cato Institute’s Center for Constitutional Studies and the Competitive Enterprise Institute. From 2004 to 2006, he served as a Peace Corps volunteer in the Kyrgyz Republic.
Yeatman holds a BA in environmental sciences from the University of Virginia, an MA in international studies from the Denver University Graduate School of International Studies, and a JD from the Georgetown University Law Center. He is a member of the Washington, DC Bar.
Courthouse Steps Oral Argument: Loper Bright & Relentless
John J. Vecchione
In two cases this term (Loper Bright Enterprises v. Raimondo and Relentless Inc. v. Department of...
The 30-Year History of Diluting ERISA’s Fiduciary Duty
Paul N. Watkins, Kathleen Barceleau
Federalist Society Review, Volume 25
Under the Employee Retirement Income Security Act of 1974 (ERISA), fiduciaries have a strict duty...
Chevron Under Review: Courthouse Steps Preview: Loper Bright & Relentless
John F. Duffy, Philip A. Hamburger, Kristin E. Hickman, Stephen Alexander Vaden
Chevron v. NRDC (1984) and subsequent precedents held that courts should defer to agency interpretations...
Chevron Under Review: Courthouse Steps Preview: Loper Bright & Relentless
John F. Duffy, Philip A. Hamburger, Kristin E. Hickman, Stephen Alexander Vaden
Chevron v. NRDC (1984) and subsequent precedents held that courts should defer to agency interpretations...
Topics
Rounding Error: The Eighth Circuit Invalidates a Longstanding Rule on Workplace Timekeeping
The Fair Labor Standards Act (FLSA) is more than 80 years old, a legacy...
Federalist Society Review, Volume 24
Katie McClendon
PDF The Federalist Society Review is the legal journal of the Federalist Society. The Review is published on the...
Topics
Does Modern Labor Law Violate the Fifth Amendment?
In December, the U.S. Department of labor closed the public-comment period for new regulations under...
Congress and the Future of Agency Authority: A Discussion of Three Major Administrative Law Cases and Their Implications for Congress
Trevor N. McFadden, Kimberly Wehle, Will Yeatman
The Federalist Society's Capitol Hill Chapter and the Regulatory Transparency Project invite you to join...
Topics
What Do the NLRB’s Administrative Law Judges’ Decisions Tell Us About the Fairness of the Board’s Procedures?
Twenty-three of the National Labor Relations Board’s 36 Administrative Law Judges (64%) were Board attorneys...
Topics
ADA Testers Can Keep Testing . . . For Now
On December 5, the Supreme Court issued a unanimous opinion by Justice Amy Coney Barrett...