General Counsel, xAI and X
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.
Former United States Attorney General
William P. Barr was born on May 23, 1950 in New York City. Mr. Barr received his A.B. in government from Columbia University in 1971 and his M.A. in government and Chinese studies in 1973. From 1973 to 1977, he served in the Central Intelligence Agency before receiving his J.D. with highest honors from George Washington University Law School in 1977.
In 1978, Mr. Barr served as a law clerk under Judge Malcolm Wilkey of the U.S. Court of Appeals for the District of Columbia Circuit. Following his clerkship, Mr. Barr joined the Washington, D.C. office of the law firm of Shaw, Pittman, Potts & Trowbridge as an associate. He left the firm to work in the White House under President Ronald Reagan from 1982 to 1983 on the domestic policy staff, then returned to the law firm and became a partner in 1985.
Under President George H.W. Bush, Mr. Barr served as the Deputy Attorney General from 1990 to 1991; the Assistant Attorney General of the Office of Legal Counsel from 1989 to 1990; and the 77th Attorney General of the United States from 1991 to 1993. While serving at the Department, Mr. Barr helped create programs and strategies to reduce violent crime and was responsible for establishing new enforcement policies in a number of areas including financial institutions, civil rights, and antitrust merger guidelines. Mr. Barr also led the Department’s response to the Savings & Loan crisis; oversaw the investigation of the Pan Am 103 bombing; directed the successful response to the Talladega prison uprising and hostage taking; and coordinated counter-terrorism activities during the First Gulf War.
From 1994 to 2000, Mr. Barr served as Executive Vice President and General Counsel for GTE Corporation. Mr. Barr then served as Executive Vice President and General Counsel of Verizon from 2000 to 2008. At both GTE and Verizon, Mr. Barr led the legal, regulatory, and government affairs activities of the companies.
After retiring from Verizon in 2008, Mr. Barr advised major corporations on government enforcement matters, as well as regulatory litigation. Mr. Barr served as Of Counsel at Kirkland & Ellis LLP in 2009 and rejoined the firm in 2017.
President Donald Trump announced his intention to nominate Mr. Barr on December 7, 2018, and he was confirmed as the 85th Attorney General of the United States by the U.S. Senate on February 14, 2019. U.S. Supreme Court Chief Justice John Roberts administered the oath of office. Mr. Barr joins John Crittenden (1841 and 1850-1853) as one of only two people in U.S. history to serve twice as Attorney General.
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.
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.
Acting United States Attorney, Northern District of Texas
Nancy E. Larson was appointed Acting United States Attorney for the Northern District of Texas on May 29, 2025.
She is the chief federal law enforcement officer for the district, which covers 96,000 square miles and a population of approximately eight million. Ms. Larson oversees roughly 220 attorneys and staff across five division offices and is responsible for all federal criminal prosecutions and civil litigation involving the United States government in the region.
Ms. Larson has served as an Assistant United States Attorney for more than 30 years. She began her career with the Department of Justice in the District of Columbia, serving as a federal prosecutor in the D.C. United States Attorney’s Office. There, she led successful prosecutions involving homicide, narcotics, violent crime, fraud, and other offenses.
In 1999, Ms. Larson joined the Northern District of Texas as the lead prosecutor for the Housing Fraud Initiative. After serving in the Criminal Division, Ms. Larson was named the Chief of the Appellate Division. She served in that role for over a decade and regularly appeared before the Fifth Circuit on behalf of the United States. Ms. Larson also has served as the district’s Executive Assistant United States Attorney and its Professional Responsibility Officer. Ms. Larson is an accomplished trial lawyer, having represented the United States in more than two dozen criminal trials. During her career, Ms. Larson received numerous awards for her service and leadership.
Ms. Larson is a native of New York and received her J.D. from the University of Virginia School of Law. Ms. Larson’s father, whose father and grandfather served on the NYPD, was a career Special Agent in IRS Criminal Investigations. Her family’s legacy in law enforcement instilled in her a devotion to public service and the cause of justice.
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.
District Judge, United States District Court for the Northern District of Texas
Judge Brantley Starr was appointed to United States District Court for the Northern District of Texas in August 2019. Before his appointment, Judge Starr was the Deputy First Assistant Attorney General of Texas. Prior to that appointment, he served as Deputy Attorney General for Legal Counsel. From 2011 to 2015, Judge Starr served as career staff attorney to Texas Supreme Court Justice Eva Guzman. From 2008 to 2011, he practiced at King & Spalding, LLP. He served in the Office of the Solicitor General from 2006 to 2008. Prior to that, Judge Starr clerked for then-Justice Don Willett on the Texas Supreme Court after serving at the Office of the Attorney General. Judge Starr received his law degree from the University of Texas School of Law and his bachelor of arts degree from Abilene Christian University in 2001. Judge Starr has taught the Origins of the Constitution Class at the University of Texas law, Texas A&M law, and SMU law.
Litigation Partner, Kirkland & Ellis
Kasdin Mitchell is a litigation partner with a focus on complex litigation at the trial and appellate level. She has obtained successful outcomes for clients at all stages of litigation. She has tried several cases to verdict, including serving on the trial team that resulted in a complete defense victory for 3M in one of the bellwether trials in the largest multidistrict litigation in history. She has argued in the Fourth, Sixth, Ninth and Eleventh Circuits as well as numerous federal district and state courts, and she has filed appellate briefs in every federal court of appeals except one. Kasdin also has represented numerous clients at the certiorari and merits stage in the U.S. Supreme Court, helping secure a $12 billion victory against the federal government for health insurers, a victory for Facebook in a case limiting liability under the Telephone Consumer Protection Act, and a victory for a major pipeline company in a case involving the intersection of the federal eminent domain power and the Natural Gas Act. Her litigation experience spans a wide range of subject areas, including environmental, energy, securities, contract, tort and constitutional law. Kasdin has been recognized as a “Rising Star” by Law360, the National Law Journal and SuperLawyers. She was also selected to serve on the Law360 Appellate Editorial Advisory Board and is a Barrister in the Higginbotham Inn of Court.
Prior to Kirkland, Kasdin served as a law clerk to Justice Clarence Thomas on the U.S. Supreme Court and to Judge William H. Pryor Jr. on the U.S. Court of Appeals for the Eleventh Circuit. She also served as the Assistant Solicitor General for the State of Alabama. Prior to law school, Kasdin worked as the Assistant Press Secretary to the First Lady at the White House, where she was an on-the-record spokesperson for Mrs. Laura Bush, and in the Office of Fossil Energy at the U.S. Department of Energy, where she worked on issues related to oil, gas and coal.
Senior Fellow, National Review
Bestselling author Andrew C. McCarthy is a contributing editor at National Review, a senior fellow at National Review Institute, and a Fox News contributor. He is a former Chief Assistant United States Attorney in the Southern District of New York and led the terrorism prosecution against the “Blind Sheikh” (Omar Abdel Rahman) and eleven other jihadists for conducting a war of urban terrorism against the United States that included the 1993 World Trade Center bombing and a plot to bomb New York City landmarks. During is 20-year career as a prosecutor, he received numerous honors, including the Justice Department’s highest awards. Andy speaks and writes widely on law and national security, radical Islam, politics, and culture. He has testified before Congress as an expert on issues of constitutional law, counterterrorism, and law-enforcement. He is a columnist for The Hill, and his essays and book reviews appear frequently at The New Criterion. His most recent New York Times bestselling book is Ball of Collusion (Encounter Books, 2019), about the Russiagate controversy (an updated version was published in 2020). His other books include Willful Blindness (2008), The Grand Jihad (2010), Spring Fever: The Illusion of Islamic Democracy (2012), and Faithless Execution (2014). He has also written several pamphlets in the Broadside series published by Encounter Books, most recently Islam and Free Speech (2015).
James Monroe Distinguished Professor of Law and Albert Clark Tate, Jr., Professor of Law, University of Virginia School of Law
Professor Saikrishna Prakash’s scholarship focuses on separation of powers, particularly executive powers. He teaches Constitutional Law, Foreign Relations Law and Presidential Powers at the Law School.
Prakash’s most recent book, “The Living Presidency: An Originalist Argument Against Its Ever-Expanding Powers,” was published by Harvard Belknap Press in 2020. He also authored “Imperial from the Beginning: The Constitution of the Original Executive” (Yale University Press, 2015). The former book focuses on the modern presidency while the latter considers the presidency of the Founders.
Prakash has authored over 75 law review articles. Among them are “Of Synchronicity and Supreme Law” in the Harvard Law Review, “The Indefensible Duty to Defend” in the Columbia Law Review, and “50 States, 50 Attorneys General and 50 Approaches to the Duty to Defend” and “The Executive Power Over Foreign Affairs” in the Yale Law Journal.
Prakash has published op-eds in The New York Times, The Wall Street Journal and the Los Angeles Times. At the request of Democrats and Republicans, he has testified before Congress on matters of presidential removal, the Mueller Report and how Congress might better check the presidency. He is currently a Miller Center Senior Fellow. In 2015, he received the Roger Traynor award for faculty scholarship. In the same year, he received an honorable mention from the American Society of Legal Writers for his book “Imperial from the Beginning.” He has given named lectures at William & Mary Law School, Princeton University and Toledo Law School, and keynote addresses at several conferences.
Prakash majored in economics and political science at Stanford University. At Yale Law School, he served as senior editor of the Yale Law Journal and received the John M. Olin Fellowship in Law, Economics and Public Policy. He subsequently clerked for Judge Laurence H. Silberman of the U.S. Court of Appeals for the District of Columbia Circuit and for Justice Clarence Thomas of the U.S. Supreme Court. After practicing in New York for two years, he served as a visiting professor at the University of Illinois College of Law and as an associate professor at Boston University School of Law. He then spent several years at the University of San Diego School of Law as the Herzog Research Professor of Law. Prakash has been a visiting professor at Northwestern University and the University of Chicago. He also has served as a James Madison Fellow at Princeton University and Visiting Research Fellow at the Hoover Institution of War & Peace at Stanford University.
Executive Vice President, The Federalist Society
Dean Reuter is Executive Vice President at the Federalist Society for Law and Public Policy Studies. He has served in two federal government agency Offices of the Inspector General, as Counsel to the Inspector General and Deputy Inspector General, responsible for policing the use of federal funds granted and contracted through those agencies. As such, he helped conduct and oversee criminal investigations across the country. He is the principal author of the non-fiction book, The Hidden Nazi: The Untold Story of America's Deal with the Devil, and editor of Liberty’s Nemesis: The Unchecked Expansion of the State and Confronting Terror: 9/11 and the Future of American National Security. He was appointed by the President and served as Vice-Chairman of the Board of Directors of the Corporation for National and Community Service, and recently served as an appointee on the U.S. Commission on Presidential Scholars. He is a graduate of Hood College (BA with Honors) and the University of Maryland School of Law.
Emanuel S. Heller Professor of Law, University of California at Berkeley; Senior Research Fellow, School of Civic Leadership, Civitas Institute, University of Texas at Austin; Nonresident Senior Fellow, American Enterprise Institute
John Yoo is the Emanuel Heller Professor of Law. He is also Distinguished Visiting Scholar, School of Civic Leadership and Senior Research Fellow, Civitas Institute, at the University of Texas at Austin. He is also a Nonresident Senior Fellow at the American Enterprise Institute.
His most recent book, The Politically Incorrect Guide to the Supreme Court, co-authored with Robert Delahunty, was published in 2023. Professor Yoo’s other books include Defender-in-Chief: Trump’s Fight for Presidential Power; Striking Power: How Cyber, Robots, and Space Weapons Change the Rules for War, Point of Attack: Preventive War, International Law, and Global Welfare, and Crisis and Command: A History of Executive Power from George Washington to George Bush.
Professor Yoo has published more than 100 articles in academic journals on subjects including national security, constitutional law, international law, and the Supreme Court. He also regularly contributes to the editorial pages of the Wall Street Journal, New York Times, Washington Post, Los Angeles Times, and National Review, among others.
Professor Yoo has served in all three branches of government. He was an official in the U.S. Department of Justice, where he worked on national security and terrorism issues after the 9/11 attacks. He served as general counsel of the U.S. Senate Judiciary Committee. He has been a law clerk for Supreme Court Justice Clarence Thomas and federal appeals Judge Laurence Silberman. He has been a visiting professor at Seoul National University in South Korea, the Interdisciplinary Center in Israel, Keio University in Japan, Trento University in Italy, the University of Chicago, and the Free University of Amsterdam.
Professor Yoo supervises the Public Law and Policy Program and the California Constitution Center. He also serves on the boards of the Pacific Legal Foundation, the Federalist Society’s Separation of Powers and Federalism Division, the Universidad Cientifica del Sur Law School, and the Asia-Pacific Law Institute at Seoul National University. He is a winner of the Federalist Society’s Paul Bator award and been the Edwin Meese III Originalism Lecturer at the Heritage Foundation.
Professor Yoo graduated from Yale Law School and summa cum laude from Harvard College.
Fireside Chat with Judge Matthew Kacsmaryk and James Burnham, GC of xAi and X
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