First Court of Appeals, Texas
Michael Massengale was appointed to the First Court of Appeals by Governor Rick Perry on June 15, 2009. He was elected in 2010 and re-elected to a full term in 2012.
Justice Massengale is board certified in civil appellate law by the Texas Board of Legal Specialization. Before joining the court, he was a partner in the trial department at Baker Botts L.L.P. where he specialized in commercial litigation involving corporate mergers and acquisitions, fraudulent transfers, securities fraud, and antitrust. He has also tried a number of personal injury and property damage lawsuits to jury verdicts.
He graduated with honors from The University of Texas School of Law. He earned the Outstanding Editor Award from the Texas Law Review, having published his student note, served as Book Review Editor, and edited the ninth edition of Texas Rules of Form. After law school, he clerked for Judge Harold R. DeMoss, Jr. of the United States Court of Appeals for the Fifth Circuit. He is a graduate of Dartmouth College and an Eagle Scout.
Among other civic and professional activities, Justice Massengale serves as a commissioner on the Permanent Judicial Commission For Children, Youth & Families where he chairs the Training Committee and oversees the Commission's judicial and attorney training programs. He is an elected member of the American Law Institute. He also curates a blog on the history of the Texas Constitution, atwww.texconst.wordpress.com. His wife, Lindsey, is a board-certified ophthalmologist specializing in diseases of the vitreous and retina.
Agnes Williams Sesquicentennial Professor of Federal Courts, Georgetown Law
Stephen I. Vladeck is a professor of law at the Georgetown University Law Center, and is a nationally recognized expert on the federal courts; the Supreme Court; national security law; and military justice.
Vladeck is author of the New York Times bestselling book, “The Shadow Docket: How the Supreme Court Uses Stealth Rulings to Amass Power and Undermine the Republic,” which won the 2023 Writers’ League of Texas Book Award for Non-Fiction and was a finalist for the 2024 ABA Silver Gavel Award for Media and the Arts. Vladeck is also a highly regarded appellate advocate, having argued three cases before the U.S. Supreme Court and over a dozen before various lower federal civilian and military courts. He has received numerous awards for his influential and widely cited legal scholarship, his prolific popular writing, his teaching, and his service to the legal profession—including the 2024 University of Texas President’s Research Impact Award and his selection by the Order of the Coif to serve as its Distinguished Visiting Professor for 2025.
Vladeck is CNN’s Supreme Court analyst and editor and author of “One First,” a popular weekly newsletter about the Supreme Court. Together with Bobby Chesney, Vladeck co-hosts the popular and award-winning “National Security Law Podcast.” He is also a co-author of Aspen Publishers’ leading national security law and counterterrorism law casebooks. And he is a member of the Board of Trustees of EarthJustice—the nation’s premier nonprofit public interest environmental law organization.
Vladeck graduated from Yale Law School in 2004—where he was executive editor of the Yale Law Journal and won the Harlan Fiske Stone Prize for outstanding moot court oralist and shared the Potter Stewart Prize for best moot court team performance. After law school, he clerked for the Honorable Marsha S. Berzon on the U.S. Court of Appeals for the Ninth Circuit and the Honorable Rosemary Barkett on the U.S. Court of Appeals for the Eleventh Circuit. He earned a B.A. summa cum laude with Highest Distinction in History and Mathematics from Amherst College in 2001—where he wrote his senior thesis on “Leipzig’s Shadow: The War Crimes Trials of the First World War and Their Implications from Nuremberg to the Present.” A native New Yorker and hopeless Mets fan, Vladeck lives in the District with his wife, Karen (Founder and Managing Partner of Risepoint Search Partners); their daughters, Madeleine and Sydney; and their eleven-year-old pug, Roxanna.
Laurence H. Silberman Chair in Constitutional Governance and Senior Fellow, American Enterprise Institute; Co-Director, Antonin Scalia Law School’s C. Boyden Gray Center for the Study of the Administrative State
Adam J. White is the Laurence H. Silberman Chair in Constitutional Governance and senior fellow at the American Enterprise Institute, where he focuses on the Supreme Court and the administrative state. Concurrently, he codirects the Antonin Scalia Law School’s C. Boyden Gray Center for the Study of the Administrative State.
Mr. White practiced constitutional and administrative law, particularly in the regulation of energy and financial markets. He started his legal career as a law clerk for Judge David B. Sentelle at the US Court of Appeals for the DC Circuit.
Mr. White has written for the Wall Street Journal, the New York Times, the Washington Post, National Affairs, Commentary, Harvard Journal of Law & Public Policy, and Notre Dame Law Review, among other publications. He is a regular contributor to the Yale Journal on Regulation’s Notice and Comment blog, and for many years, he was one of the Weekly Standard’s lead writers on constitutional law and the Supreme Court.
Mr. White has testified often before Congress, including before the Senate’s Committees on the Judiciary; Commerce, Science, and Transportation; and Homeland Security and Governmental Affairs and before the House’s Judiciary and Financial Services Committees. In 2018, the Senate Committee on the Judiciary called him to testify in Brett Kavanaugh’s Supreme Court confirmation hearings to advise senators on Kavanaugh’s approach to administrative law.
In 2021, he served on the Presidential Commission on the Supreme Court of the United States, where he criticized “Court packing” and other efforts to restructure the Supreme Court. In 2017, he was appointed to serve on the Administrative Conference of the United States. He also serves on the leadership council for the American Bar Association’s Administrative Law and Regulatory Practice Section, which he will chair in 2023–24. Before joining AEI, he was a research fellow at Stanford University’s Hoover Institution and an adjunct fellow at the Manhattan Institute.
Mr. White has a JD from Harvard Law School and a bachelor of business administration from the College of Business at the University of Iowa.
General Partner, Trust Ventures
Salen is a leading expert on navigating the collision points of innovation and regulation. A former law professor at the University of Chicago and founder of its Innovation Clinic, he has advised startups on regulatory strategy across industries. Previously, Salen practiced law at the international law firms of Kirkland & Ellis and Sidley Austin, and advised low-income entrepreneurs in overcoming barriers at the Institute for Justice.
W. St. John Garwood and W. St. John Garwood, Jr. Centennial Chair and Professor of Government, University of Texas at Austin School of Law
Sanford Levinson, who holds the W. St. John Garwood and W. St. John Garwood, Jr. Centennial Chair in Law, joined the University of Texas Law School in 1980. Previously a member of the Department of Politics at Princeton University, he is also a Professor in the Department of Government at the University of Texas. Levinson is the author of approximately 400 articles, book reviews, or commentaries in professional and popular journals--and a regular contributor to the popular blog Balkinization. He has also written six books: Constitutional Faith (1988, winner of the Scribes Award, 2d edition 2011); Written in Stone: Public Monuments in Changing Societies (1998); Wrestling With Diversity (2003); Our Undemocratic Constitution: Where the Constitution Goes Wrong (and How We the People Can Correct It)(2006); Framed: America's 51 Constitutions and the Crisis of Governance (2012); An Argument Open to All: Reading the Federalist in the 21st Century (2015); and, with Cynthia Levinson, Fault Lines in the Constitution: The Framers, Their Fights, and teh Flaws that Affect Us Today (forthcoming, September 2017). Edited or co-edited books include a leading constitutional law casebook, Processes of Constitutional Decisionmaking (6th ed. 2015, with Paul Brest, Jack Balkin, Akhil Amar, and Reva Siegel); Nullification and Secession in Modern Constitutional Thought (2016); Reading Law and Literature: A Hermeneutic Reader (1988, with Steven Mallioux); Responding to Imperfection: The Theory and Practice of Constitutional Amendment (1995); Constitutional Stupidities, Constitutional Tragedies (1998, with William Eskridge); Legal Canons (2000, with Jack Balkin); The Louisiana Purchase and American Expansion (2005, with Batholomew Sparrow); Torture: A Collection (2004, revised paperback edition, 2006); and The Oxford Handbook on the United States Constitution (with Mark Tushnet and Mark Graber, 2015). He received the Lifetime Achievement Award from the Law and Courts Section of the American Political Science Association in 2010.
He has been a visiting faculty member of the Boston University, Georgetown, Harvard, New York University, and Yale law schools in the United States and has taught abroad in programs of law in London; Paris; Jerusalem; Auckland, New Zealand; and Melbourne, Australia. He was a Fellow at the Institute for Advanced Study in Princeton in 1985-86 and a Member of the Ethics in the Professions Program at Harvard in 1991-92. He is also affiliated with the Shalom Hartman Institute of Jewish Philosophy in Jerusalem. A member of the American Law Institute, Levinson was elected to the American Academy of Arts and Sciences in 2001. He is married to Cynthia Y. Levinson, a writer of children's literature, and has two daughters and four grandchildren.
Partner, Lehotsky Keller LLP
The New York Times recognized Scott A. Keller as a “legal heavyweight,” who “is praised by opponents as a formidable advocate.”
Mr. Keller has argued 12 cases before the U.S. Supreme Court and 12 cases before the Texas Supreme Court. He is the only practicing lawyer to have argued at least 10 cases in both courts. Mr. Keller frequently represents parties in high stakes appeals, and he has argued many cases in federal courts of appeals throughout the nation. He has earned individual accolades from Lawdragon 500 Leading Litigators in America, Chambers, Legal 500, The American Lawyer, The National Law Journal, Law360, Super Lawyers, The Best Lawyers in America, and other publications.
Before founding Lehotsky Keller Cohn LLP, Mr. Keller headed Baker Botts LLP’s Supreme Court Practice. He also has significant experience at the highest levels in all three branches of government. Mr. Keller served as the Solicitor General of Texas, the State’s chief appellate litigator. He was U.S. Senator Ted Cruz’s chief counsel on the Senate Judiciary Committee. Mr. Keller was a law clerk for Justice Anthony Kennedy of the Supreme Court of the United States and Chief Judge Alex Kozinski of the U.S. Court of Appeals for the Ninth Circuit. He was also a Bristow Fellow in the U.S. Department of Justice’s Office of the Solicitor General.
Mr. Keller represents clients in cases where public communications strategy is crucial, and he has made numerous media appearances in major outlets such as The New York Times, The Wall Street Journal, BBC, Fox News, NPR, and Politico. As a sought after speaker and writer, Mr. Keller’s articles have appeared in the Stanford Law Review, Virginia Law Review, and Texas Law Review. He has also served as an adjunct professor of constitutional litigation, Supreme Court practice, and federal courts at the University of Texas School of Law.
Professor of Law, Notre Dame Law School
Professor Derek Muller is a nationally-recognized scholar in the field of election law. His research focuses on the role of states in the administration of federal elections, the constitutional contours of voting rights and election administration, the limits of judicial power in the domain of elections, and the Electoral College.
He has published more than two dozen academic works, and his op-eds have appeared in the New York Times, the Los Angeles Times, and the Wall Street Journal. He has testified before Congress, and he is a contributor at the Election Law Blog. He is a co-author on a Federal Courts casebook published by Carolina Academic Press. He is also the co-reporter on a new Restatement of the Law, Election Litigation, an effort led by the American Law Institute.
Professor Muller teaches Election Law, Civil Procedure, and Evidence.
Laurence H. Silberman Chair in Constitutional Governance and Senior Fellow, American Enterprise Institute; Co-Director, Antonin Scalia Law School’s C. Boyden Gray Center for the Study of the Administrative State
Adam J. White is the Laurence H. Silberman Chair in Constitutional Governance and senior fellow at the American Enterprise Institute, where he focuses on the Supreme Court and the administrative state. Concurrently, he codirects the Antonin Scalia Law School’s C. Boyden Gray Center for the Study of the Administrative State.
Mr. White practiced constitutional and administrative law, particularly in the regulation of energy and financial markets. He started his legal career as a law clerk for Judge David B. Sentelle at the US Court of Appeals for the DC Circuit.
Mr. White has written for the Wall Street Journal, the New York Times, the Washington Post, National Affairs, Commentary, Harvard Journal of Law & Public Policy, and Notre Dame Law Review, among other publications. He is a regular contributor to the Yale Journal on Regulation’s Notice and Comment blog, and for many years, he was one of the Weekly Standard’s lead writers on constitutional law and the Supreme Court.
Mr. White has testified often before Congress, including before the Senate’s Committees on the Judiciary; Commerce, Science, and Transportation; and Homeland Security and Governmental Affairs and before the House’s Judiciary and Financial Services Committees. In 2018, the Senate Committee on the Judiciary called him to testify in Brett Kavanaugh’s Supreme Court confirmation hearings to advise senators on Kavanaugh’s approach to administrative law.
In 2021, he served on the Presidential Commission on the Supreme Court of the United States, where he criticized “Court packing” and other efforts to restructure the Supreme Court. In 2017, he was appointed to serve on the Administrative Conference of the United States. He also serves on the leadership council for the American Bar Association’s Administrative Law and Regulatory Practice Section, which he will chair in 2023–24. Before joining AEI, he was a research fellow at Stanford University’s Hoover Institution and an adjunct fellow at the Manhattan Institute.
Mr. White has a JD from Harvard Law School and a bachelor of business administration from the College of Business at the University of Iowa.
Agnes Williams Sesquicentennial Professor of Federal Courts, Georgetown Law
Stephen I. Vladeck is a professor of law at the Georgetown University Law Center, and is a nationally recognized expert on the federal courts; the Supreme Court; national security law; and military justice.
Vladeck is author of the New York Times bestselling book, “The Shadow Docket: How the Supreme Court Uses Stealth Rulings to Amass Power and Undermine the Republic,” which won the 2023 Writers’ League of Texas Book Award for Non-Fiction and was a finalist for the 2024 ABA Silver Gavel Award for Media and the Arts. Vladeck is also a highly regarded appellate advocate, having argued three cases before the U.S. Supreme Court and over a dozen before various lower federal civilian and military courts. He has received numerous awards for his influential and widely cited legal scholarship, his prolific popular writing, his teaching, and his service to the legal profession—including the 2024 University of Texas President’s Research Impact Award and his selection by the Order of the Coif to serve as its Distinguished Visiting Professor for 2025.
Vladeck is CNN’s Supreme Court analyst and editor and author of “One First,” a popular weekly newsletter about the Supreme Court. Together with Bobby Chesney, Vladeck co-hosts the popular and award-winning “National Security Law Podcast.” He is also a co-author of Aspen Publishers’ leading national security law and counterterrorism law casebooks. And he is a member of the Board of Trustees of EarthJustice—the nation’s premier nonprofit public interest environmental law organization.
Vladeck graduated from Yale Law School in 2004—where he was executive editor of the Yale Law Journal and won the Harlan Fiske Stone Prize for outstanding moot court oralist and shared the Potter Stewart Prize for best moot court team performance. After law school, he clerked for the Honorable Marsha S. Berzon on the U.S. Court of Appeals for the Ninth Circuit and the Honorable Rosemary Barkett on the U.S. Court of Appeals for the Eleventh Circuit. He earned a B.A. summa cum laude with Highest Distinction in History and Mathematics from Amherst College in 2001—where he wrote his senior thesis on “Leipzig’s Shadow: The War Crimes Trials of the First World War and Their Implications from Nuremberg to the Present.” A native New Yorker and hopeless Mets fan, Vladeck lives in the District with his wife, Karen (Founder and Managing Partner of Risepoint Search Partners); their daughters, Madeleine and Sydney; and their eleven-year-old pug, Roxanna.
Associate, Arent Fox LLP
Christopher Bowen is an attorney with a Arent Fox LLP where he focuses on government contractor litigation and counseling, including bid protests, contract claims, audits, individual and company debarments and suspensions, security clearances, NISPOM compliance during mergers and acquisitions, and False Claims Act lawsuits. Prior to joining the law firm, Mr. Bowen was an attorney with the United States Department of Justice, where he handled government contract litigation, as well as Fifth Amendment Takings Clause and smuggling claims. He has argued before the United States Court of Appeal for the Federal Circuit, the United States Court of Federal Claims, and the United States District Court for the Eastern District of Virginia. He has filed briefs with the United States Court of Appeals for the Fifth Circuit, the United States District Courts for the District of Colorado and the Northern District of California, and the United States Court of International Trade. Mr. Bowen attended Dartmouth College and the George Washington University Law School, and clerked for the Honorable Diane S. Sykes on the United States Court of Appeals for the Seventh Circuit.
Super Lawyers has recognized Christopher Bowen as a “Rising Star” for both 2014 and 2015.
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