Associate, Gibson, Dunn & Crutcher LLP
Stephen Hammer is a litigation associate in the Dallas office of Gibson, Dunn & Crutcher.
Before joining the firm, Mr. Hammer served as a law clerk to Chief Justice John G. Roberts, Jr. of the Supreme Court of the United States, Judge Gregory G. Katsas of the United States Court of Appeals for the District of Columbia Circuit, and Judge Jeffrey S. Sutton of the United States Court of Appeals for the Sixth Circuit.
Mr. Hammer graduated magna cum laude from Harvard Law School, where he served as managing editor of the Harvard Journal of Law and Public Policy. Before law school, Mr. Hammer served as an infantry officer in the 82nd Airborne Division of the United States Army. His military decorations include the Bronze Star. Mr. Hammer received an M.Phil. in theology from the University of Oxford, where he studied on a Rhodes scholarship. He received an A.B. summa cum laude in classics from Princeton University and graduated as Latin salutatorian.
Mr. Hammer is a member of the Texas and District of Columbia bars.
Vice President and Counsel for Public Policy, D.R. Horton, Inc.
Charbel J Barakat is Vice President and Counsel for Public Policy, with D.R. Horton, Inc., the nation's largest homebuilder, where he coordinates the company’s interactions with federal and state governments.
Previously, for over 10 years, he served as Chief Counsel for the company’s Florida, Gulf Coast, and Mid-Atlantic Regions. During that time, he oversaw legal affairs for an area that included 9 states and 2,000+ employees.
He was formerly associated with Akerman LLP in Miami and Milbank LLP in New York City, where he specialized in complex corporate, real estate, and project finance transactions.
Charbel currently serves as a member of the University of South Florida Board of Trustees and the Florida Supreme Court Judicial Nominating Commission, positions to which he was appointed by Governor Ron DeSantis in February 2025 and July 2023, respectively.
From July 2023 to February 2025, Charbel served as Vice Chair and acting Chair of the Board of Supervisors for the Central Florida Tourism Oversight District (the special district governing Walt Disney World Resort). As acting board chair, he presided over the successful settlement of litigation challenging the District’s governing structure and the subsequent negotiation of a 15-year, $17 billion theme park master development agreement.
He previously served on the board of directors of the Florida Development Finance Corporation, a state authorized issuer of industrial revenue bonds, and as Chair of the 2nd District Court of Appeal Judicial Nominating Commission.
Since 2022, he has served as an advisor to the Board of Directors of the Tampa Hispanic Bar Association.
In 2023, Florida Trend magazine recognized Charbel as one of 11 inaugural “Notable General Counsel” throughout the state. In 2018 and 2019, Charbel was recognized by the Tampa Bay Business Journal as one of the city’s Top Corporate Counsel.
Active in his church and community, Charbel is a member of the Knights of the Holy Sepulchre, a Catholic order of chivalry dedicated to charitable support of Christians in the Holy Land, and of the Krewe of the Knights of Sant’ Yago, dedicated to the preservation and enhancement of Tampa's rich Latin heritage and culture.
Charbel is a graduate of the New York University School of Law and The Johns Hopkins University. While in law school, he was a founding managing editor of the NYU Journal of Law and Liberty.
In 2018, Charbel became a Jeopardy! champion.
A native Floridian, Charbel lives in Tampa with his wife, Daira, and their three children.
General Counsel, xAI and X
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 as (1) an Associate in the Dallas office of Baker Botts LLP, (2) an Assistant United States Attorney, and (3) Deputy General Counsel to FLI.
He is an Honors graduate of the University of Texas Law School.
In 2013, he earned the Attorney General’s Award for Excellence in Furthering the Interest of U.S. National Security.
In 2026, he was named Jurist of the Year by the Texas Review of Law & Politics, the conservative law review at the University of Texas.
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.
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 as (1) an Associate in the Dallas office of Baker Botts LLP, (2) an Assistant United States Attorney, and (3) Deputy General Counsel to FLI.
He is an Honors graduate of the University of Texas Law School.
In 2013, he earned the Attorney General’s Award for Excellence in Furthering the Interest of U.S. National Security.
In 2026, he was named Jurist of the Year by the Texas Review of Law & Politics, the conservative law review at the University of Texas.
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 Vice President, Strategic Initiatives & Special Counsel to the President, Alliance Defending Freedom
Ryan Bangert serves as senior vice president for strategic initiatives and special counsel to the president at Alliance Defending Freedom. He oversees ADF’s Blackstone Legal Fellowship and Research & Innovation Team. He also advises executive leadership on strategic initiatives.
Before joining ADF, Bangert served as deputy first assistant attorney general and deputy for legal counsel in the office of the Texas attorney general, and as deputy for civil litigation for Missouri Attorney General Josh Hawley. Prior to his government service, Bangert was a litigation partner at Baker Botts L.L.P., where he was a member of the firm’s commercial litigation and appellate practice sections.
Bangert has been published at First Things, Civitas Outlook, Law & Liberty, National Review, Daily Wire, The Hill, Washington Examiner, The Federalist, Fox News, and the American Reformer. He speaks nationally on constitutional, cultural, and religious liberty issues. He also serves as Visiting Faculty in Law at the University of Austin.
He earned his J.D. from Southern Methodist University, where he was a Hatton Sumners scholar and graduated first in his class. Following law school, he clerked for the Honorable Patrick E. Higginbotham on the Fifth Circuit Court of Appeals.
Partner, Schaerr | Jaffe LLP
Erik Jaffe has been involved in appeals on a broad range of legal issues, including First Amendment challenges to campaign finance reform, Commerce Clause challenges to Health Care Reform and other federal legislation, Equal Protection Clause challenges to affirmative action in education, First Amendment challenges to school vouchers, Fifth Amendment challenges to takings of property, Second Amendment challenges to restrictions on gun ownership, and a wide variety of cases involving patents, copyrights, ERISA, securities fraud, federal preemption, environmental regulation, and other state and federal constitutional and statutory matters. He has represented businesses and non-profit groups, Judges, Senators, former government officials, Nobel Prize winners, and a broad cross-section of private individuals. Mr. Jaffe has been involved in over 120 Supreme Court matters, including filing over 30 cert. petitions, representing half-a-dozen parties on the merits, and filing over 70 amicus briefs at both the cert. and merits stages.
A 1990 graduate of the Columbia University School of Law, Mr. Jaffe was a law clerk to Judge Douglas H. Ginsburg of the United States Court of Appeals for the District of Columbia Circuit from 1990 to 1991. Following that clerkship he spent five years in litigation practice with the Washington, D.C. law firm of Williams & Connolly. In the summer of 1996 he left Williams & Connolly to clerk for Supreme Court Justice Clarence Thomas. At the end of that clerkship he started his own practice, and he was a sole practitioner from 1997 to 2018. He joined the firm of Schaerr | Jaffe LLP in 2018.
Partner, Schaerr Jaffe LLP
Gene Schaerr specializes in handling—and usually winning—civil appeals, writ proceedings and similar matters, both in appellate courts and in the law-focused proceedings at the trial-court or agency level that often determine success or failure on appeal. He has argued and won dozens of cases in a variety of forums—including the U.S. Supreme Court (where he has argued six cases), every federal circuit, and numerous federal district courts and state appellate courts. His win rate in the dozens of federal appeals he has argued in the past six years is over 75 percent.
He was a coordinator of Sidley Austin's appellate practice from 1993 until 2005, and from 2005 until 2014 was the chair of the nationwide appellate practice at Winston & Strawn—a practice he led to numerous recognitions in such publications as the Appellate Hot List. His personal practice successes have won him repeated recognition in such publications as Best Lawyers in Washington, D.C., Legal 500, D.C. Superlawyers, and Best Lawyers in America. In January 2014, Mr. Schaerr formed his own boutique litigation firm so that he could serve his clients without the conflicts and inefficiencies inherent in big-firm law practice.
Substantively, Mr. Schaerr's experience includes not only virtually every area of federal law, defamation, higher education law, immigration, insurance coverage, labor and employment, patent and trademark, privacy, product liability and warranty, statutory interpretation and tax.He has represented clients in virtually every sector, including automotive, communications, energy, financial services, health care, higher education, insurance, maritime, pharmaceuticals, technology and state and local government. He also teaches courses in Supreme Court litigation, religious freedom litigation and advanced litigation skills as an adjunct professor of law at the Brigham Young University law school.
Mr. Schaerr began law practice in 1987 following clerkships on the U.S. Supreme Court (for Chief Justice Warren Burger and Justice Antonin Scalia) and on the U.S. Court of Appeals for the D.C. Circuit (for then- Judge Kenneth Starr). He graduated in 1985 from the Yale Law School, where he was Editor-in-Chief of the Yale Journal on Regulation and Senior Editor of the Yale Law Journal. From 1991 to 1993, he served in the White House as Associate Counsel to the President, where he had responsibility for a wide range of constitutional and administrative-law issues, including those involving economic regulation, higher education, separation of powers, federalism and religious freedom. He serves as Chairman of the Constitutional Sources Project, a digital resource providing free public access to historical materials relevant to the U.S. Constitution.
General Counsel, Center for Individual Rights
Darpana Sheth joined CIR as General Counsel in May 2025. She is a nationally recognized constitutional litigator with over two decades of experience serving in in leadership roles at other nonprofit organizations.
Before joining CIR, Darpana served for four years as Vice President of Litigation for the Foundation for Individual Rights and Expression. Prior to that, Darpana was a Senior Attorney with the Institute for Justice, where she also served as Director of the Institute’s National Initiative to End Forfeiture Abuse.
Before finding her calling as a public-interest attorney, Darpana served as an Assistant Attorney General for the State of New York and worked in private practice as a litigation associate at the Manhattan law firm of Chadbourne & Parke, LLP. She also served as law clerk to the Honorable Jerome A. Holmes of the U.S. Court of Appeals for the Tenth Circuit.
A native of Philadelphia, Darpana graduated from the University of Pennsylvania with a Bachelor of Arts in Political Science and History. She earned her law degree from Georgetown University Law Center.
Senior Attorney, Institute for Free Speech
Owen Yeates is a Senior Attorney on the litigation team and plays an important role in their regulatory, legislative, and policy work. Owen joined the Institute in 2015 as a Staff Attorney and was promoted in 2021 to Senior Attorney and Deputy Vice President for Litigation, after serving as Acting Legal Director following the departure of Allen Dickerson to the Federal Election Commission. From May 2022 to May 2025, Owen served as a Deputy District Attorney for Multnomah County, Oregon. He re-joined the Institute for Free Speech as a Senior Attorney in May 2025.
He received his J.D. from Stanford Law School after completing a Ph.D. in Political Science at Duke University and a B.S., summa cum laude, in Physics from Brigham Young University. Owen clerked for the Honorable Scott Matheson, Jr., of the United States Court of Appeals for the Tenth Circuit (2012-2013), the Honorable J. Jerome Farris of the United States Court of Appeals for the Ninth Circuit (2011-2012), and the Honorable James L. Robart of the United States District Court for the Western District of Washington (Summer 2012). After clerking, he was a litigation associate in intellectual property law at Klarquist Sparkman, LLP, in Portland, Oregon, where he was involved with the Legal Aid Society of Oregon’s domestic violence program. Before law school, he taught Ancient Political Theory, American Politics, Theories of Human Freedom, and Religion and American Politics at Brigham Young University and Wake Forest University. During law school, Owen interned with the U.S. Attorney’s Office and the U.S. Department of Defense, and he worked with the school’s Three Strikes Clinic and Domestic Violence pro bono program.
Owen is licensed to practice law in the District of Columbia, Oregon, Utah (inactive), and Washington state (inactive). He is admitted to practice before the United States Supreme Court; the United States Courts of Appeals for the Third, Sixth, Eighth, Ninth, Tenth, Eleventh, and D.C. Circuits; and the United States District Courts for the Districts of Colorado, Columbia, Oregon, and Utah, as well as the Eastern District of Texas and the Western District of Tennessee.
2026 SCOTUS Round-Up - Fort Worth
Fort Worth Lawyer Chapter
Fort Worth, TXA View from In-House: Corporate America, Public Service, and the Law
Fort Worth Lawyer Chapter
Fort Worth, TXCorporate Speech in the Crosshairs: New Frontiers in First Amendment Law
Ryan L. Bangert, Erik S. Jaffe, Gene C. Schaerr, Darpana Sheth Nunziata, Owen Yeates
For decades, the First Amendment has protected the rights of individuals, associations, and businesses to...
Fireside Chat with Judge Matthew Kacsmaryk and James Burnham, GC of xAi and X
Fort Worth Lawyer Chapter
Fort Worth, TXIssue Spotting in the West Wing: How to Protect the President - Fort Worth
Fort Worth Lawyer Chapter
Fort Worth, TXAttorney General Bill Barr Fireside Chat with Chief Judge O'Connor
Fort Worth Lawyer Chapter
Fort Worth, TXPOSTPONED: Law & Order: Northern District of Texas - Fort Worth
Fort Worth Lawyer Chapter
Fort Worth, TXAdministrative Law After Loper Bright
Fort Worth Lawyers Chapter
Fort Worth, TX2024 Texas Chapters Conference
Fort Worth, TXTopics
After Chevron, a New Birth of Deference for the Administrative State?
For decades, the judicial doctrine called “Chevron deference” dominated American administrative law. In the aftermath...