Deputy General Counsel, First Liberty Institute
Justin Butterfield is Deputy General Counsel at First Liberty Institute, to which Justin returned after serving for two years as Senior Advisor for Conscience and Religious Freedom at the U.S. Department of Health and Human Services. In his role at HHS, Justin launched a new division of the HHS Office for Civil Rights under Roger Severino dedicated to protecting Americans’ rights of conscience and religious freedom in health care. Prior to his work at HHS, Justin had been with First Liberty Institute for over seven years, during which time he litigated numerous religious freedom cases and wrote several scholarly articles on religion and the law. Justin received his J.D. from Harvard Law School and his bachelor of science summa cum laude in Electrical Engineering from the University of Texas at El Paso, where Justin is originally from.
Vice President and Senior Counsel, The Becket Fund for Religious Liberty
Eric Rassbach is Vice President and Senior Counsel at the Becket Fund for Religious Liberty, where he has served since 2003. He has briefed over 90 cases at the United States Supreme Court and has led or been a part of Becket litigation teams in each of Becket’s pathbreaking victories there, including Hosanna-Tabor, Hobby Lobby, Holt v. Hobbs, Zubik v. Burwell, Agudath Israel of America v. Cuomo, and Fulton v. Philadelphia. In 2020, Eric argued Our Lady of Guadalupe School v. Morrissey-Berru to the Supreme Court, garnering a 7-2 win for his Catholic school clients. Eric has also briefed and argued cases in federal appeals courts and state supreme courts across the nation. Eric has also represented clients in appeals to the European Court of Human Rights in Strasbourg, France and in the highest courts of several other countries.
Eric believes passionately in the right of all people to the full measure of religious liberty and has represented members of almost every religious group present in the United States, including Buddhists, Christians, Hindus, Jains, Jews, Muslims, Native Americans, Santeros, and Sikhs, as well as many governmental entities targeted for accommodating religion.
Eric frequently comments on church-state issues in the media, including the New York Times, the Washington Post, the Wall Street Journal, and other major press outlets. He has published legal scholarship in the Harvard Law Review Forum, the Tennessee Law Review, the Illinois Law Review, the Cato Supreme Court Review, and other legal journals, and often speaks to law school audiences.
Before joining Becket, Eric worked at Baker Botts LLP in Houston, where he worked in international project finance. He also served as a law clerk to United States District Court Judge Lee Rosenthal in Houston, Texas.
Eric graduated from Haverford College with a degree in Comparative Literature, is a member of Fitzwilliam College, University of Cambridge, and is a graduate of Harvard Law School. Eric was a 2012-2013 Wasserstein Public Interest Fellow at Harvard Law School. He is Visiting Professor and Executive Director of The Hugh and Hazel Darling Foundation Religious Liberty Clinic at Pepperdine University Caruso School of Law in Malibu, where he leads students in litigating cases in American courts. He is also an Associated Scholar with the Centre for Religious Freedom at Jagiellonian University in Kraków, Poland. Eric is admitted in Texas, DC, California, and Ireland.
President and CEO, First Liberty Institute
Kelly Shackelford, Esq., is President and CEO of First Liberty Institute, the largest legal firm in the nation dedicated exclusively to protecting religious freedom for all Americans. He has served in this role since 1997, leading First Liberty’s efforts to defend religious freedom in the courts and in the public arena. Under his leadership, First Liberty’s legal team has participated in cases before the United States Supreme Court, federal courts of appeals, federal district courts and various state courts, where they have won more than 90 percent of their cases.
Shackelford is a constitutional scholar who has argued before the United States Supreme Court, testified before the U.S. House and Senate, and has won a number of landmark First Amendment and religious liberty cases.
He was recently named one of the 25 greatest Texas lawyers of the past quarter-century by Texas Lawyer and is the recipient of the prestigious William Bentley Ball Award for Life and Religious Freedom Defense for pioneering work protecting religious freedom.
Shackelford is a highly sought-after speaker and frequent guest on national news and talk shows including Good Morning America, The Today Show, The O’Reilly Factor, CNN, Fox and Friends, MSNBC, and Hannity. He also has been featured in the National Law Journal, Associated Press, The New York Times, The Washington Times, The Washington Post, and The L.A. Times, and many others.
Shackelford is on the Board of Trustees of the United States Supreme Court Historical Society and earned his law degree from Baylor University.
Professor of Law, Brooklyn Law School
Professor Tebbe teaches courses on constitutional law, religious freedom, legal theory, and professional responsibility. His scholarship focuses on the relationship between religious traditions and constitutional law, both in the United States and abroad. His articles have appeared in Georgetown Law Journal, Journal of Religion, Michigan Law Review, University of Pennsylvania Law Review, and, most recently, Virginia Law Review. He is a past Chair of the Law and Religion Section of the Association of American Law Schools and he is co-organizer of the Annual Law and Religion Roundtable. He is regularly called on by media outlets to discuss questions of religious freedom and general constitutional law.
Professor Tebbe served as a Visiting Professor of Law at Cornell Law School during the fall of 2012. He joined Brooklyn Law School from St. John's University School of Law, where he received a Dean's Teaching Award. Before teaching, he clerked for Judge John M. Walker Jr. of the U.S. Court of Appeals for the Second Circuit and practiced law at the American Civil Liberties Union and at Davis Polk & Wardwell. He was also a Fulbright Scholar at the University of Cape Town.
Judge, U.S. Court of Appeals, Fifth Circuit
Don Willett serves on the United States Court of Appeals for the Fifth Circuit.
Before joining the federal bench, Judge Willett served 13 years on the Supreme Court
of Texas. His career spans decades of public service, including roles as legal counsel to
a Texas Attorney General, a Texas Governor, a U.S. Attorney General, and the
President of the United States.
Raised by a heroic widowed mom in a doublewide trailer in a town of 32, Judge
Willett is his family’s first college graduate. He earned a triple-major B.B.A. from Baylor
University—where he serves on the Board of Regents—and three degrees from Duke
University—where he serves on the Board of Visitors: a J.D. with honors, an A.M. in
political science, and an LL.M. in judicial studies. After law school, he clerked on the
Fifth Circuit and practiced at Haynes and Boone before entering public service.
Judge Willett publishes widely in both leading law reviews and national media, including
The Yale Law Journal, The University of Pennsylvania Law Review, and The Wall Street
Journal. The longtime editor-in-chief of Judicature—the Scholarly Journal for Judges, he
holds academic appointments at various law schools and has received more than a
dozen Green Bag honors for “exemplary legal writing.” He was named Distinguished
Jurist of the Year by the Texas Review of Law & Politics, and he is a member of the
American Law Institute and a Life Fellow of the American, Texas, and Austin Bar
Foundations.
A onetime bull rider and professional drummer, Judge Willett was named “Tweeter
Laureate of Texas” in 2015. He is the namesake of Don R. Willett Elementary
School—home of mighty Willett Wranglers—located just a mile from where he grew up.
He and his radiant wife, Tiffany have three children—Jacob, Shane-David, and
Geneviève—plus the family pup, Amicus.
Distinguished Senior Fellow and Antonin Scalia Chair in Constitutional Studies, Ethics and Public Policy Center
Edward Whelan is a Distinguished Senior Fellow of the Ethics and Public Policy Center and holds EPPC’s Antonin Scalia Chair in Constitutional Studies. He is the longest-serving President in EPPC’s history, having held that position from March 2004 through January 2021.
Mr. Whelan directs EPPC’s program on The Constitution, the Courts, and the Culture. His areas of expertise include constitutional law and the judicial confirmation process. As a contributor to National Review Online’s Bench Memos blog, he has been a leading commentator on nominations to the Supreme Court and the lower courts and on issues of constitutional law. He has written essays and op-eds for leading newspapers—including the Wall Street Journal, the New York Times, and the Washington Post—opinion journals, and academic symposia and law reviews. The National Law Journal has named Mr. Whelan among its “Champions and Visionaries” in the practice of law in D.C.
Mr. Whelan is co-editor of three volumes of Supreme Court Justice Antonin Scalia’s work: Scalia Speaks: Reflections on Law, Faith, and Life Well Lived (Crown Forum, 2017), a New York Times bestselling collection of speeches by Justice Scalia; On Faith: Lessons from an American Believer (Crown Forum, 2019), a collection of Justice Scalia’s writings on faith and religion; and The Essential Scalia: On the Constitution, the Courts, and the Rule of Law (Crown Forum, 2020), a collection of Justice Scalia’s views on legal issues.
Mr. Whelan, a lawyer and a former law clerk to Justice Scalia, has served in positions of responsibility in all three branches of the federal government. From just before the terrorist attacks of September 11, 2001, until joining EPPC in 2004, Mr. Whelan was the Principal Deputy Assistant Attorney General for the Office of Legal Counsel in the U.S. Department of Justice. In that capacity, he advised the White House Counsel’s Office, the Attorney General and other senior DOJ officials, and departments and agencies throughout the executive branch on difficult and sensitive legal questions. Mr. Whelan previously served on Capitol Hill as General Counsel to the U.S. Senate Committee on the Judiciary. In addition to clerking for Justice Scalia, he was a law clerk to Judge J. Clifford Wallace of the U.S. Court of Appeals for the Ninth Circuit.
In 1981 Mr. Whelan graduated with honors from Harvard College and was inducted into Phi Beta Kappa. He received his J.D. magna cum laude in 1985 from Harvard Law School, where he was a member of the Board of Editors of the Harvard Law Review.
For more on Mr. Whelan’s background, see this interview.
Executive General Counsel, First Liberty Institute
Hiram Sasser is Executive General Counsel for First Liberty Institute, where he oversees First Liberty’s litigation and media efforts. Sasser’s practice focuses on First Amendment and other constitutional and civil rights issues relating to religious liberty. Sasser served as co-counsel in seven victories before the United States Supreme Court, including Groff v. DeJoy (landmark case overturning the “de minimis cost” test for Title VII in place almost 50 years), Kennedy v. Bremerton (landmark case overturning 50 years of Establishment Clause precedent), Carson v. Makin (overturning 40 years of Maine’s discrimination against parents choosing faith-based schools), American Legion v. American Humanist Association (landmark case ending Establishment Clause attacks on veterans’ memorials with religious imagery), Klein v. Oregon Bureau of Labor and Industries (granted, vacated, and remanded (twice) in religious wedding service case), and Sause v. Bauer (summary reversal revoking qualified immunity for police who ordered a citizen not to pray in her own home).
In addition to his legal duties, Sasser develops, coordinates, and implements successful media strategies on behalf of his clients. This includes numerous appearances on ABC, NBC, CBS, Fox News, CNN, and the BBC as well as being heard on various radio stations throughout the United States, Asia, Africa, and Europe.
In 2016, Sasser took a leave of absence to serve a temporary assignment as the Chief of Staff for the Attorney General of Texas. He currently serves as an Adjunct Professor of Law at both The University of Texas at Austin School of Law (teaching Religious Liberty) and Oklahoma City University School of Law (teaching Civil Rights Procedure).
President, The Ethics and Public Policy Center
Ryan T. Anderson, Ph.D., is the President of the Ethics and Public Policy Center. In May 2025, Anderson was appointed by President Trump to the Religious Liberty Commission.
He is the author or co-author of five books, including the just-released Tearing Us Apart: How Abortion Harms Everything and Solves Nothing. Previous books include When Harry Became Sally: Responding to the Transgender Moment, Truth Overruled: The Future of Marriage and Religious Freedom, What Is Marriage? Man and Woman: A Defense, and Debating Religious Liberty and Discrimination. He is the co-editor of A Liberalism Safe for Catholicism? Perspectives from “The Review of Politics.”
Anderson’s research has been cited by two U.S. Supreme Court justices, Justice Samuel Alito and Justice Clarence Thomas, in two Supreme Court cases.
He received his bachelor of arts degree from Princeton University, graduating Phi Beta Kappa and magna cum laude, and he received his doctoral degree in political philosophy from the University of Notre Dame. His dissertation was titled: “Neither Liberal Nor Libertarian: A Natural Law Approach to Social Justice and Economic Rights.”
Anderson has made appearances on ABC, CNN, CNBC, MSNBC, and Fox News. His work has been published by the New York Times, the Washington Post, the Wall Street Journal, Oxford University Press, Cambridge University Press, the Harvard Journal of Law and Public Policy, the Harvard Health Policy Review, the Georgetown Journal of Law and Public Policy, First Things, the Claremont Review of Books, and National Review.
He is the John Paul II Teaching Fellow in Social Thought at the University of Dallas, a member of the James Madison Society at Princeton University, and a Fellow of the Institute for Human Ecology at the Catholic University of America, as well as the Founding Editor of Public Discourse, the online journal of the Witherspoon Institute of Princeton, New Jersey.
For 9 years he was the William E. Simon senior research fellow at The Heritage Foundation, and has served as an adjunct professor of philosophy and political science at Christendom College, and a Visiting Fellow at the Veritas Center at Franciscan University. He has also served as an assistant editor of First Things.
District Judge, United States District Court, Northern District of Texas
Matthew J. Kacsmaryk serves as United States District Judge for the Northern District of Texas.
He previously served in the (1) private, (2) government, and (3) nonprofit sectors:
Judge Kacsmaryk is an Honors graduate of the University of Texas Law School, where he joined the Federalist Society and served as an Executive Editor of the Texas Review of Law & Politics. Judge Kacsmaryk co-founded the Fort Worth Lawyers Chapter in 2012, coordinated the 2018 Texas Chapters Conference hosted by the Fort Worth Lawyers Chapter, and presently serves on its Advisory Board.
President, The Ethics and Public Policy Center
Ryan T. Anderson, Ph.D., is the President of the Ethics and Public Policy Center. In May 2025, Anderson was appointed by President Trump to the Religious Liberty Commission.
He is the author or co-author of five books, including the just-released Tearing Us Apart: How Abortion Harms Everything and Solves Nothing. Previous books include When Harry Became Sally: Responding to the Transgender Moment, Truth Overruled: The Future of Marriage and Religious Freedom, What Is Marriage? Man and Woman: A Defense, and Debating Religious Liberty and Discrimination. He is the co-editor of A Liberalism Safe for Catholicism? Perspectives from “The Review of Politics.”
Anderson’s research has been cited by two U.S. Supreme Court justices, Justice Samuel Alito and Justice Clarence Thomas, in two Supreme Court cases.
He received his bachelor of arts degree from Princeton University, graduating Phi Beta Kappa and magna cum laude, and he received his doctoral degree in political philosophy from the University of Notre Dame. His dissertation was titled: “Neither Liberal Nor Libertarian: A Natural Law Approach to Social Justice and Economic Rights.”
Anderson has made appearances on ABC, CNN, CNBC, MSNBC, and Fox News. His work has been published by the New York Times, the Washington Post, the Wall Street Journal, Oxford University Press, Cambridge University Press, the Harvard Journal of Law and Public Policy, the Harvard Health Policy Review, the Georgetown Journal of Law and Public Policy, First Things, the Claremont Review of Books, and National Review.
He is the John Paul II Teaching Fellow in Social Thought at the University of Dallas, a member of the James Madison Society at Princeton University, and a Fellow of the Institute for Human Ecology at the Catholic University of America, as well as the Founding Editor of Public Discourse, the online journal of the Witherspoon Institute of Princeton, New Jersey.
For 9 years he was the William E. Simon senior research fellow at The Heritage Foundation, and has served as an adjunct professor of philosophy and political science at Christendom College, and a Visiting Fellow at the Veritas Center at Franciscan University. He has also served as an assistant editor of First Things.
District Judge, United States District Court, Northern District of Texas
Matthew J. Kacsmaryk serves as United States District Judge for the Northern District of Texas.
He previously served in the (1) private, (2) government, and (3) nonprofit sectors:
Judge Kacsmaryk is an Honors graduate of the University of Texas Law School, where he joined the Federalist Society and served as an Executive Editor of the Texas Review of Law & Politics. Judge Kacsmaryk co-founded the Fort Worth Lawyers Chapter in 2012, coordinated the 2018 Texas Chapters Conference hosted by the Fort Worth Lawyers Chapter, and presently serves on its Advisory Board.
District Judge, United States District Court, Northern District of Texas
Matthew J. Kacsmaryk serves as United States District Judge for the Northern District of Texas.
He previously served in the (1) private, (2) government, and (3) nonprofit sectors:
Judge Kacsmaryk is an Honors graduate of the University of Texas Law School, where he joined the Federalist Society and served as an Executive Editor of the Texas Review of Law & Politics. Judge Kacsmaryk co-founded the Fort Worth Lawyers Chapter in 2012, coordinated the 2018 Texas Chapters Conference hosted by the Fort Worth Lawyers Chapter, and presently serves on its Advisory Board.
U.S. District Court for the Northern District of Texas
Reed Charles O'Connor is a federal judge on the United States District Court for the Northern District of Texas. He joined the court in 2007 after being nominated by President George W. Bush.
A native of Houston, Texas, O'Connor graduated from the University of Houston with his bachelor's degree in 1986 and from South Texas College of Law with his J.D. in 1989.
Judge, United States Court of Appeals, Fifth Circuit
Judge Smith was appointed U.S. Circuit Judge for the Fifth Circuit by President Reagan and entered on duty in January 1988. He attended public schools in Lubbock, Texas, and graduated from Yale University, receiving a B.A. in 1969 and a J.D. in 1972.
Judge Smith was a Law Clerk to U.S. District Judge Halbert Woodward, Northern District of Texas, 1972-1973; with the Houston law firm of Fulbright & Jaworski as an Associate, 1973-1981, and as Partner, 1981-1984; and as City Attorney, City of Houston, 1984-1988. He was Chairman, Civil Service Commission, City of Houston, 1982-1984; and a Director, Harris County Housing Authority, 1978-1980.
Judge Smith lives in Houston and is married to Mary Jane Smith and has four children: Ruth Ann, Clark, J.J., and Brandon. He formerly was Chair of the Advisory Committee on Federal Rules of Evidence of the Judicial Conference of the United States. He assists LexisNexis/Matthew Bender & Co. in periodic revisions of several chapters of Moore’s Federal Practice.
Chairman, Supreme Court and Constitutional Law Practice, Baker Botts LLP
Aaron Streett is the Chairman of Baker Botts’ Supreme Court and Constitutional Law Practice. He has presented oral argument in scores of appeals, covering the U.S. Supreme Court and courts around the country—including over 40 arguments between the Fifth and D.C. Circuits alone. Mr. Streett’s practice involves virtually all substantive areas of the law, including commercial litigation, statutory interpretation, constitutional law, administrative law, securities, and jurisdictional issues. Mr. Streett maintains an active practice in the Supreme Court of the United States, having represented parties in merits cases seven times since 2010, as well as filing numerous amicus and certiorari-stage briefs. Mr. Streett was named one of only six “Appellate MVPs” for 2014 by Law360, which had previously recognized him in 2011 as one of the top five appellate “Rising Stars” under age 40. Mr. Streett has been featured on National Law Journal’s Appellate Hot List three times in recent years and in 2021 was named Houston’s “Lawyer of the Year” for Appellate Practice by Best Lawyers magazine. Mr. Streett is an elected member of the American Law Institute and a fellow of the American Academy of Appellate Lawyers. He serves on the Board of Directors for the Fifth Circuit Bar Association and previously served as President of the Houston Lawyers Chapter of the Federalist Society. Mr. Streett speaks regularly on the Supreme Court and constitutional law to attorneys and law students around the country. Following graduation from Hillsdale College and University of Texas School of Law, Mr. Streett served as a law clerk to the Honorable David B. Sentelle of the United States Court of Appeals for the District of Columbia Circuit and to the Honorable William H. Rehnquist, Chief Justice of the United States.
Chief Counsel, Senator Ted Cruz
Mike Berry serves as Chief Counsel for United States Senator Ted Cruz. As Chief Counsel for Senator Cruz, Mike provides advice and counsel to the Senator with special emphasis on the Senate’s advice and consent role pertaining to judicial nominations.
Prior to working on the Hill, Mike spent many years in public interest litigation with various non-profits. Mike served for seven years as an attorney with the U.S. Marine Corps, leaving active duty in 2013. Among his numerous positions within the Marine Corps, Mike deployed to Afghanistan in 2008 and he served as an Adjunct Professor of Law at the United States Naval Academy. Mr. Berry continues to proudly serve our nation as a member of the Marine Corps Reserve.
Mr. Berry earned his bachelor’s degree from Texas A&M University, and he earned his law degree from The Ohio State University.
Executive General Counsel, First Liberty Institute
Hiram Sasser is Executive General Counsel for First Liberty Institute, where he oversees First Liberty’s litigation and media efforts. Sasser’s practice focuses on First Amendment and other constitutional and civil rights issues relating to religious liberty. Sasser served as co-counsel in seven victories before the United States Supreme Court, including Groff v. DeJoy (landmark case overturning the “de minimis cost” test for Title VII in place almost 50 years), Kennedy v. Bremerton (landmark case overturning 50 years of Establishment Clause precedent), Carson v. Makin (overturning 40 years of Maine’s discrimination against parents choosing faith-based schools), American Legion v. American Humanist Association (landmark case ending Establishment Clause attacks on veterans’ memorials with religious imagery), Klein v. Oregon Bureau of Labor and Industries (granted, vacated, and remanded (twice) in religious wedding service case), and Sause v. Bauer (summary reversal revoking qualified immunity for police who ordered a citizen not to pray in her own home).
In addition to his legal duties, Sasser develops, coordinates, and implements successful media strategies on behalf of his clients. This includes numerous appearances on ABC, NBC, CBS, Fox News, CNN, and the BBC as well as being heard on various radio stations throughout the United States, Asia, Africa, and Europe.
In 2016, Sasser took a leave of absence to serve a temporary assignment as the Chief of Staff for the Attorney General of Texas. He currently serves as an Adjunct Professor of Law at both The University of Texas at Austin School of Law (teaching Religious Liberty) and Oklahoma City University School of Law (teaching Civil Rights Procedure).
Chief Counsel, Senator Ted Cruz
Mike Berry serves as Chief Counsel for United States Senator Ted Cruz. As Chief Counsel for Senator Cruz, Mike provides advice and counsel to the Senator with special emphasis on the Senate’s advice and consent role pertaining to judicial nominations.
Prior to working on the Hill, Mike spent many years in public interest litigation with various non-profits. Mike served for seven years as an attorney with the U.S. Marine Corps, leaving active duty in 2013. Among his numerous positions within the Marine Corps, Mike deployed to Afghanistan in 2008 and he served as an Adjunct Professor of Law at the United States Naval Academy. Mr. Berry continues to proudly serve our nation as a member of the Marine Corps Reserve.
Mr. Berry earned his bachelor’s degree from Texas A&M University, and he earned his law degree from The Ohio State University.
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