Our Team
Faculty Leadership
Randy E. Barnett
Founder & Faculty Director
Randy E. Barnett is the Patrick Hotung Professor of Constitutional Law at the Georgetown University Law Center and is Director of the Georgetown Center for the Constitution. After graduating from Northwestern University and Harvard Law School, he tried many felony cases as a prosecutor in the Cook County States’ Attorney’s Office in Chicago. A recipient of a Guggenheim Fellowship in Constitutional Studies and the Bradley Prize, Professor Barnett has been a visiting professor at Penn, Northwestern and Harvard Law School.
Professor Barnett’s publications include thirteen books, more than one hundred and fifty articles and reviews, as well as numerous op-eds. His most recent book is A Life for Liberty: The Making of an American Originalist(This link opens in a new tab) (2024). His other books on the Constitution include: The Original Meaning of the Fourteenth Amendment: Its Letter and Spirit(This link opens in a new tab) (2021) (with Evan Bernick); An Introduction to Constitutional Law: 100 Supreme Court Cases Everyone Should Know (2019) (with Josh Blackman); Restoring the Lost Constitution: The Presumption of Liberty (2nd ed. 2013); Our Republican Constitution: Securing the Liberty and Sovereignty of We the People (2016); and Constitutional Law: Cases in Context (4th ed. 2021) (with Josh Blackman). His books on contracts are The Oxford Introductions to U.S. Law: Contracts (2010) and Contracts: Cases and Doctrine (7th ed. 2021) (with Nate Oman). And he is the author of The Structure of Liberty: Justice and the Rule of Law (2nd ed. 2014).
In 2004, he argued the medical marijuana case of Gonzalez v. Raich before the U.S. Supreme Court. In 2012, he was one of the lawyers representing the National Federation of Independent Business in its constitutional challenge to the Affordable Care Act in NFIB v. Sebelius. He’s appeared in numerous documentaries, including PBS’s Constitution USA with Peter Sagal and A More or Less Perfect Union with Judge Douglas Ginsburg; and he portrayed a prosecutor in the 2010 science-fiction feature film, InAlienable: The Movie. He blogs on the Volokh Conspiracy.
Stephanie Barclay
Faculty Director
Stephanie Barclay is a Professor of Law and Anne Fleming Research Professor at Georgetown University Law Center, and the Faculty Director of the Georgetown Center for the Constitution. Her work examines the relationship between constitutional rights and democratic governance, with particular emphasis on religious liberty, free speech, and the protection of minority communities. Barclay’s work is published or is forthcoming in leading journals such as the Chicago Law Review, the Cornell Law Review, Harvard Law Review, the Journal of Law and Religion (Cambridge Univ. Press), the University of Pennsylvania Law Review, the Vanderbilt Law Review, the Virginia Law Review, the Washington University Law Review, and the Yale Law Journal Forum. Her forthcoming book, Constitutional Rights in a Democracy, is under contract with Oxford University Press, and she is an editor of the forthcoming book, Collective Action and Responsibility in Law, under contract with Cambridge University Press. Her work has been featured in numerous media outlets, including The New York Times, The Wall Street Journal, The Washington Post, USA Today, Bloomberg BNA, The Hill, and Law 360. And her work has also been cited by the U.S. Supreme Court.
Prior to joining Georgetown, Barclay was twice voted Professor of the Year. Barclay has also litigated constitutional cases at both the trial and appellate level, including before the U.S. Supreme Court. Barclay served as a law clerk to Judge N. Randy Smith on the U.S. Court of Appeals for the Ninth Circuit, and to Justice Neil M. Gorsuch of the U.S. Supreme Court.
Barclay is a Faculty Affiliate at the Constitutional Law Center at Stanford Law School; and a Nootbaar Fellow at the Nootbaar Institute on Law, Religion, and Ethics at Pepperdine University. She has served as the Chair for the AALS Law and Religion Section, and she currently serves as a Research Associate for the Centre for Constitutional Law and Legal Studies at the University of British Columbia, and on the Steering Committee for the Quill Project at Pembroke College. She graduated summa cum laude from BYU Law School, where she was elected to the Order of the Coif. She is completing a Ph.D. in Law at Oxford University as a Clarendon Scholar and a Tang Scholar.
Center Staff
Arielle Vertsman
Program Manager
Arielle is a fourth-year evening student at Georgetown University Law Center. She serves as Co-President of Georgetown Law Zionists and as a member of the executive boards of the Federalist Society and the Georgetown Law Technology Review. In summer 2026, she worked as a Summer Associate at Kirkland & Ellis LLP and will return to the firm after completing a federal district court clerkship in the Middle District of Florida. She previously interned with the Civil Rights Division of the U.S. Department of Justice.
Arielle graduated from the University of Maryland, College Park in 2020 with a B.A. in Government and Politics and a minor in Spanish Heritage Language, Culture, and Professional Contexts. Following graduation, she worked in the advertising and technology sectors, including roles at Omnicom Media Group and Infillion, an advertising technology firm based in New York City. Outside of law school, she is an avid skier and music enthusiast.
Maia Katsnelson
Assistant Program Manager
Maia Katsnelson is a first-year evening student at Georgetown University Law Center. She graduated summa cum laude from Brandeis University in December 2025 with a double major in Economics and History. Her honors thesis examined Soviet prosecutions of Ukrainian collaborators with the Nazis. In the summer of 2024, she was a Hertog Political Studies Fellow.
Maia previously served as a legal intern at Pioneer New England Legal Foundation, where she conducted constitutional and civil liberties research and worked on a Supreme Court amicus brief. She also interned for Massachusetts Superior Court Judge Paul Wilson, assisting with decision drafting, and for the U.S. Attorney’s Office in Massachusetts.
Her interests include constitutional law and the structures and systems of governance. Outside of work, she enjoys painting, printmaking, and is an avid Red Sox fan.
Azul Marmolejo
Operations and Communications Assistant
Azul Marmolejo is the Operations and Communications Assistant at the Georgetown Center for the Constitution, where she supports the Center’s programming, and advances communications and institutional operations. Her professional experience spans academia, public policy, and international affairs, with a particular interest in questions at the intersection of law, technology, human dignity, and public life. She has worked across academic and policy institutions in the United States and Europe and has contributed to initiatives concerning emerging technologies, bioethics and human rights, and health policy.
Marmolejo graduated from Harvard University with an A.B. in History and Science and a secondary field in Philosophy. She has pursued further studies in theology and philosophy in Rome. She is fluent in English and Spanish and has working proficiency in Italian.
Fellows and Visiting Scholars
Tim Rosenberger Jr.
Olin-Smith-Darling Fellow in Law
Tim Rosenberger served as Senior Counsel at the United States Department of Education. He was previously a fellow at the Manhattan Institute and Stanford University’s Center for Entrepreneurial Studies. He was also the founding COO of Verbum Labs and serves as a Chaplain with the Cleveland Division of Police. Before matriculating to law school, he was a legal policy fellow at the Cicero Institute, a parish pastor, and a management consultant with McKinsey & Company.
Tim has contributed to a variety of academic, popular, and professional publications, including the Wall Street Journal, The Hill, The New York Post, and City Journal. He also regularly provides commentary for various media outlets, testifies before state legislatures, and files dozens of amicus curiae “friend of the court” briefs in the Supreme Court and various circuit courts.
He holds an AB from Georgetown University, a M.Div. from United Lutheran Seminary, a D.Min from the Rawlings School of Divinity, an LL.M. from Universität Wien, and a JD/MBA from Stanford University, where he was Federalist Society Chapter President and served on Law Review. Tim’s research interests lie at the intersection of law, faith, education and entrepreneurship—with a particular focus on leveraging policy to help America’s overlooked populations build lives of dignity.