Judge, U.S. District Court, Eastern District of Missouri
Biography
Zachary Bluestone was most recently appellate chief and a violent crimes prosecutor in the United States Attorney’s Office for the Eastern District of Missouri. Mr. Bluestone previously served in the Missouri Attorney General’s Office as Deputy Solicitor General. Upon graduation from law school, Mr. Bluestone served as a law clerk to Judge Raymond Gruender of the United States Court of Appeals for the Eighth Circuit. Mr. Bluestone earned his B.S., summa cum laude, from Georgetown University’s Walsh School of Foreign Service, his MBA from the University of Oxford’s Saïd Business School, and his J.D. from Harvard Law School, where he served as Managing Editor of the Harvard Journal of Law & Public Policy.
D. John Sauer has served as the Solicitor General of Missouri since 2017. Before that, he served as a federal prosecutor for five years and spent time in civil practice at boutique law firms, including the firm he founded, the James Otis Law Group. Mr. Sauer has first-chaired many jury and bench trials, and served as lead counsel in many appeals. He has presented oral argument in the U.S. Supreme Court, the U.S. Court of Appeals for the Eighth Circuit, the Supreme Court of Missouri, and many other state and federal appellate courts. Mr. Sauer served as a law clerk to Justice Antonin Scalia of the U.S. Supreme Court and Judge J. Michael Luttig of the U.S. Court of Appeals for the Fourth Circuit. He was a Rhodes Scholar and a magna cum laude graduate of Harvard Law School.
Erin Morrow Hawley serves as Chair of Lex Politica's Supreme Court and Appellate Practice overseeing the firm’s strategic appellate litigation and critical motions practice in the trial courts. Erin is an experienced litigator who represents clients in constitutional, regulatory, and appellate matters in federal and state courts throughout the country.
Erin has represented dozens of clients before the Supreme Court of the United States, served as lead counsel in high-profile cases raising novel constitutional and statutory issues, and authored numerous successful petitions for certiorari and briefs in opposition. She has argued in state and federal appellate and trial courts throughout the country, including the Supreme Court of the United States. Erin represents diverse clients in high-stakes litigation from state governments to faith-based nonprofits to Fortune 100 companies. She possesses expertise on a wide range of subject matters including administrative law, the First Amendment, religious liberty, federal jurisdiction, federal preemption, equitable jurisdiction, tax law, the Affordable Care Act, and Title IX.
Erin represents clients in cases where public communications strategy is paramount. She is a sought-after speaker and writer, has testified multiple times before Congress, and is a frequent presenter on constitutional and administrative law issues, including at the Oxford Union, the National Federalist Society Convention, and university campuses across the country. She is a frequent commentator to media outlets, including Fox News, MSNBC, the Wall Street Journal, WORLD, USA Today, the Federalist, and the Hill.
Erin previously oversaw Alliance Defending Freedom’s--where she still serves as Of Counsel--litigation strategies to empower women and protect the dignity of life, defend pregnancy centers’ First Amendment rights from government overreach, and safeguard Americans’ freedoms from the ever-encroaching administrative state.
William K. Townsend Professor of Law, Yale Law School
Biography
Nicholas R. Parrillo is Townsend Professor of Law at Yale, with a secondary appointment as Professor of History. His research and teaching focus on administrative law and government bureaucracy and extend to legal history, remedies, and legislation. He has received the ABA’s award for the year’s best scholarship in administrative law and the Law and Society Association’s Hurst Prize for the year’s best book in legal history.
Parrillo’s Yale Law Journal article finding new originalist evidence of broad congressional delegations to agencies was discussed in the Solicitor General’s winning brief in the Supreme Court’s latest nondelegation case and in the en banc 5th Circuit opinion in that case. His Harvard Law Review article on how the judiciary handles the federal government’s disobedience to court orders has been discussed in TheWashingtonPost, The Wall Street Journal, and The New YorkTimes. Parrillo also authored a study that provided the empirical basis for best practices adopted by the Administrative Conference of the United States (ACUS) on the federal government’s ubiquitous but controversial use of guidance documents. Peer scholars at Jotwell, in selecting the “best new scholarship” in law, selected each of thesethreepublications (one of them twice). Parrillo’s most recent article, invited for GW’s annual administrative law issue, reveals and analyzes dramatic variation among industries in their willingness to sue their federal health-and-safety regulators.
Parrillo has testified before Congress, been quoted by the Supreme Court, is a senior fellow of ACUS, and has been an instructor at the New York Historical Society’s graduate institute and an invited speaker before the 2nd Circuit Judicial Conference, the U.S. Department of Justice (in 2019 and again in 2024), the ACLU’s national legal staff, and the Federalist Society’s national convention (twotimes). He is a recipient of the Law School’s annual teaching award.
Ilan Wurman is the Julius E. Davis Professor of Law at the University of Minnesota, where he teaches administrative law and constitutional law. He previously taught at Arizona State University. He writes primarily on the Fourteenth Amendment, administrative law, separation of powers, and constitutionalism. His academic writing has appeared in the Yale Law Journal, the Stanford Law Review, the University of Chicago Law Review, the University of Pennsylvania Law Review, the Virginia Law Review, the Duke Law Journal, the Minnesota Law Review, the Notre Dame Law Review, and the Texas Law Review among other journals.
Professor Wurman is the author of a casebook, Administrative Law Theory and Fundamentals: An Integrated Approach (Foundation Press 2d ed. 2024). He is also the author of A Debt Against the Living: An Introduction to Originalism (Cambridge 2017), and The Second Founding: An Introduction to the Fourteenth Amendment (Cambridge 2020). His next book, The Constitution of 1789: A New Introduction, is also forthcoming with Cambridge University Press.
Professor Wurman practices law with the firm Tully Bailey. He has litigated a variety of administrative law and constitutional law cases, including cases involving COVID-19 restrictions, transmission lines, and Appointments Clause challenges. He also devised winning public nuisance theories to force city governments to address the increasingly challenging public camping crises throughout the country.
Judge, United States Court of Appeals, Third Circuit
Biography
Stephanos Bibas is a judge on the U.S. Court of Appeals for the Third Circuit. Judge Bibas was previously a professor of law and criminology at the University of Pennsylvania Law School. As director of the Penn Law Supreme Court Clinic, he argued six cases before the Supreme Court of the United States and filed briefs in dozens of others. He graduated summa cum laude and Phi Beta Kappa from Columbia University in 1989 with a B.A. in political theory and from Oxford University in 1991 with a B.A. in jurisprudence. He then earned his J.D. from Yale Law School in 1994.
After graduating from Yale Law, Judge Bibas clerked for Judge Patrick Higginbotham of the U.S. Court of Appeals for the Fifth Circuit and Justice Anthony Kennedy on the Supreme Court and was a litigation associate at Covington & Burling LLP in Washington, D.C. Thereafter, Judge Bibas served as an Assistant U.S. Attorney in the Southern District of New York, where he successfully prosecuted the world’s leading expert in Tiffany stained glass for hiring a grave robber to steal priceless Tiffany windows from cemeteries. Before his tenure at Penn Law, Judge Bibas taught at the University of Chicago Law School and the University of Iowa College of Law and was a research fellow at Yale Law School. He has published two books and seventy scholarly articles.
Associate Professor of Law, Georgetown University Law Center
Biography
Shon Hopwood’s unusual legal journey began prior to him attending law school and included the U.S. Supreme Court granting two petitions for certiorari he prepared. Shon’s research and teaching interests include criminal law and procedure, civil rights, and the constitutional rights of prisoners. He received a J.D. as a Gates Public Service Law Scholar from the University of Washington School of Law. He served as a law clerk for Judge Janice Rogers Brown of the U.S. Court of Appeals for the District of Columbia Circuit. And his legal scholarship has been published in the Harvard Civil Rights-Civil Liberties, Fordham, and Washington Law Reviews, as well as the American Criminal Law Review and Georgetown Law Journal’s Annual Review of Criminal Procedure.
Judge, United States Court of Appeals, Seventh Circuit
Biography
Judge Sykes was nominated to the Seventh Circuit by President George W. Bush and confirmed by the Senate in 2004. Prior to her appointment to the federal bench, Judge Sykes served as a justice on the Wisconsin Supreme Court. Governor Tommy G. Thompson appointed her in September 1999 to fill a mid-term vacancy on the state supreme court, and she was elected to a full ten-year term in April 2000. From 1992-1999, Judge Sykes served on the state trial bench in Milwaukee County (elected in 1992 and re-elected in 1998). From 1985-1992, Judge Sykes practiced law with the Milwaukee firm of Whyte & Hirschboeck, S.C., and from 1984-1985, was a law clerk to Federal Judge Terence T. Evans.
Born and raised in the Milwaukee area, Judge Sykes earned a bachelor’s degree in journalism from Northwestern University in 1980 and a law degree from Marquette University Law School in 1984. Between college and law school, Judge Sykes worked as a reporter for The Milwaukee Journal.
Ashe Family Chair Professor of Law, Georgia State University College of Law
Biography
Eric J. Segall graduated from Emory University, Phi Beta Kappa and summa cum laude, and from Vanderbilt Law School, where he was the research editor for the Law Review and member of Order of the Coif. He clerked for the Chief Judge Charles Moye Jr. for the Northern District of Georgia, and Albert J. Henderson of the 11th Circuit Court of Appeals. After his clerkships, Segall worked for Gibson, Dunn & Crutcher and the U.S. Department of Justice, before joining the Georgia State faculty in 1991.
Segall teaches federal courts and constitutional law I and II. He is the author of the books Originalism as Faith and Supreme Myths: Why the Supreme Court is not a Court and its Justices are not Judges. His articles on constitutional law have appeared in, among others, the Harvard Law Review Forum, the Stanford Law Review On Line, the UCLA Law Review, the George Washington Law Review, the Washington University Law Review, the University of Pennsylvania Journal of Constitutional Law, the Northwestern University Law Review Colloquy, and Constitutional Commentary among many others.
Segall’s op-eds and essays have appeared in the New York Times, the LA Times, The Atlantic, SLATE, Vox, Salon, and the Daily Beast, among others. He has appeared on CNN, Fox News, MSNBC, and France 24 and all four of Atlanta’s local television stations. He has also appeared on numerous local and national radio shows.
Brian Callanan is an associate in the national appellate practice at King & Spalding. He has participated in cases before the Supreme Court, federal courts of appeals, and state and federal trial courts.
Mr. Callanan has drafted appellate briefs and critical motions in matters involving a broad range of complex legal issues. He has considerable experience litigating against federal agencies and advising clients on administrative law matters. He has represented clients before, or in litigation against, agencies including the Department of Transportation, National Labor Relations Board, Securities & Exchange Commission, Commodity Futures Trading Commission, Federal Reserve, Department of Health & Human Services, and Food & Drug Administration. Among other successes, he participated in an Administrative Procedure Act challenge that prompted a federal agency to withdraw the costliest regulatory mandate in the history of the U.S. railroad industry. He co-chairs the Rulemaking Committee of the American Bar Association’s administrative law section and is a member of the Executive Committee of the Federalist Society’s administrative law section.
Before joining King & Spalding, Mr. Callanan was general counsel to U.S. Senator Rob Portman. In that position, he served as principal adviser on tax policy, regulatory policy, and legal issues cutting across all substantive areas. He developed and drafted bipartisan legislation on a range of issues, including bipartisan bills to reform the rulemaking process, to strengthen economic analysis by independent regulatory agencies, to reform the federal permitting process for major infrastructure projects, and to expedite the sale of excess federal property. He advised Senator Portman in connection with his work on the Finance Committee and the Homeland Security & Governmental Affairs Committee. During the same period, he served as staff director of a Senate oversight subcommittee with jurisdiction over all aspects of federal contracting.
Previously, Mr. Callanan was a litigation associate at another major law firm in Washington, D.C.
Mr. Callanan served as a law clerk to Judge A. Raymond Randolph of the U.S. Court of Appeals for the District of Columbia Circuit. He received his J.D., cum laude, from Harvard Law School in 2008. At Harvard, Mr. Callanan served as Articles Editor of the Harvard Journal of Law & Public Policy. Before law school, he served as a speechwriter in the U.S. Senate. Mr. Callanan earned his undergraduate degree, magna cum laude, from Claremont McKenna College, where he was elected to Phi Beta Kappa.
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
Biography
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.
O.H. leads Alliance For Consumers, which fights to ensure that consumer protection efforts, class action lawsuits, and attorney general enforcement actions are consistent with the rule of law and benefit everyday consumers, not just class action lawyers and career bureaucrats.
His work with AFC builds off his time with the Arizona Attorney General's Office under Attorney General Mark Brnovich, where he not only defended constitutional questions and served as the State's lead counsel in the U.S. Supreme Court, but also had the privilege of leading Arizona's consumer protection lawsuit against Google over the tracking of consumers' location, and the successful case against Volkswagen over well-publicized diesel-related consumer deception.
O.H. is a 2010 graduate of Harvard Law School. Before joining Attorney General Brnovich in 2016, O.H. practiced at WilmerHale and Ropes & Gray in Boston and clerked for the Hon. J.L. Edmondson of the United States Court of Appeals for the Eleventh Circuit in Atlanta, Georgia.
