U.S. Supreme Court Roundup
Austin Lawyers Chapter
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Deputy General Counsel, Office of Texas Governor Greg Abbott
Trevor serves as General Counsel to Governor Greg Abbott. In that role he provides strategic counseling to the State’s Chief Executive Officer on a range of issues under both state and federal law, including litigation involving the Governor, appointments to state courts, clemency applications and executive orders, and draft legislation and administrative rules.
Before joining the Governor’s Office, Trevor litigated complex cases at every level of the state and federal judiciaries, both in private practice at Clement & Murphy in Washington, D.C., and in government service as an Assistant Attorney General for the State of Texas. He twice clerked for Justice Neil Gorsuch on the Supreme Court of the United States. He also clerked for Judge Andrew Oldham on the U.S. Court of Appeals for the Fifth Circuit and now-Chief Judge Jeffrey Sutton on the U.S. Court of Appeals for the Sixth Circuit. For several years, Trevor taught as an adjunct professor a course on the writ of habeas corpus, with material covering the Suspension Clause, wartime detention, immigration, and post-conviction review.
He is a graduate of Stanford Law School and Kenyon College. He and his wife Khina live in Austin, Texas, with their son Ransom.
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.
Director, GW Regulatory Studies Center & Distinguished Professor of Practice, Trachtenberg School of Public Policy & Public Administration, The George Washington University
Susan Dudley is the Founder and Director of the George Washington University Regulatory Studies Center, established in 2009 to raise awareness of regulations’ effects and improve regulatory policy through research, education, and outreach. She is also a distinguished professor of practice in the Trachtenberg School of Public Policy and Public Administration. She is past-president of the Society for Benefit Cost Analysis, a senior fellow of the Administrative Conference of the United States, and on the Regulatory Transparency Project Regulatory Practice Working Group. Her book, Regulation: A Primer, with Jerry Brito, is available on Amazon.com.
From April 2007 through January 2009, Professor Dudley served as the Presidentially-appointed Administrator of the Office of Information and Regulatory Affairs in the U.S. Office of Management and Budget and was responsible for the review of draft executive branch regulations under Executive Order 12866, the collection of federal-government-wide information under the Paperwork Reduction Act, the development and implementation of government-wide policies in the areas of information policy, privacy, and statistical policy, and international regulatory cooperation efforts.
Prior to OIRA, she directed the Regulatory Studies Program at the Mercatus Center at George Mason University, and taught courses on regulation at the George Mason University School of Law. Earlier in her career, Professor Dudley served as an economist at OIRA, as well as the Environmental Protection Agency and the Commodity Futures Trading Commission. She was also a consultant to government and private clients at Economists Incorporated. She holds a Master of Science degree from the Sloan School of Management at MIT and a Bachelor of Science degree (summa cum laude) in Resource Economics from the University of Massachusetts, Amherst.
Assistant Attorney General, Office of Legal Counsel, U.S. Department of Justice
T. Elliot Gaiser is the Office of Legal Counsel’s 27th Assistant Attorney General. He was nominated by President Donald Trump on April 29, 2025, confirmed by the United States Senate on July 30, 2025, and sworn in as AAG by Attorney General Pam Bondi on August 4, 2025.
Prior to joining the Office of Legal Counsel, Mr. Gaiser served as the 11th Solicitor General of Ohio. In that role, he represented his home state and its agencies before the Supreme Court of the United States, the United States Court of Appeals for the Sixth Circuit, the Supreme Court of Ohio, and other state and federal courts. He also advised Ohio Attorney General Dave Yost on significant legal and constitutional matters important to the people of Ohio.
Mr. Gaiser clerked for Justice Samuel A. Alito, Jr. of the Supreme Court of the United States, Judge Neomi Rao of the United States Court of Appeals for the D.C. Circuit, and Judge Edith H. Jones of the United States Court of Appeals for the Fifth Circuit. In the private sector, Mr. Gaiser worked at the law firms Jones Day, Boyden Gray, and Gibson Dunn. He graduated from the University of Chicago Law School and Hillsdale College. He is also a husband and father.
Of Counsel, Covington & Burling LLP
The Honorable Paul J. Ray is currently Of Counsel at Covington & Burling LLP where he advises clients on regulatory opportunities and challenges and helps them formulate and execute advocacy strategies for their regulatory policy priorities before the executive branch and Congress.
During the first Trump Administration, Paul held various senior positions at the Office of Information and Regulatory Affairs (OIRA) within the White House’s Office of Management and Budget, including as acting, and then Senate-confirmed, head of the office. As OIRA Administrator (the "regulations czar"), Paul supervised the review of hundreds of regulations from across the government, drafted numerous executive orders governing the regulatory process, and led the Administration’s regulatory reform effort. As a result of this experience, Paul is well-positioned to help clients understand and achieve regulatory policy priorities in the context of the government’s regulatory agenda and ongoing reform efforts.
Most recently, Paul was also the Director of the Roe Institute for Economic Policy Studies at The Heritage Foundation. In that role, he supervised the formulation of the Foundation’s economic and regulatory policy recommendations and provided technical assistance to congressional committees and staff regarding legislative changes to the regulatory process. In addition to his role at The Heritage Foundation, Paul also served as a Senior Advisor at a strategic advisory firm. Before his time in government, Paul practiced law at a law firm in Washington, specializing in administrative law matters.
Prior to his role at the White House, Paul was Counselor to the Secretary at the U.S. Department of Labor. There he led departmental efforts in high-profile rulemakings and helped formulate the Department’s legal positions and strategy.
Paul served as a law clerk to Supreme Court Justice Samuel Alito and as a law clerk to the Honorable Debra Livingston of the U.S. Court of Appeals for the Second Circuit.
Paul is a thought leader in the conservative legal movement and is a frequent commentator and speaker on regulatory policy and reform matters, including at law schools, professional gatherings, and other venues. He is the Chairman of Innovations in Peacebuilding International and the Regulatory Process Working Group of the Federalist Society’s Regulatory Transparency Project and a public member of the Administrative Conference of the United States. Paul is also an adjunct lecturer at the Hillsdale College School of Government.
Justice, Texas Fifteenth District Court of Appeals
April Farris was appointed to the Fifteenth Court of Appeals on September 1 of 2024. April previously served on the First Court of Appeals after being appointed in 2021 and elected in 2022.
Before joining the Court, April was a partner at Yetter Coleman LLP, where she handled complex appellate litigation for energy, technology, and government clients. While in private practice, she was recognized in appellate law by Law360, Best Lawyers in America, and Thompson Reuters' Super Lawyers. In 2020, she was one of five attorneys in the nation to be named a Law360 appellate Rising Star, an honor reserved for lawyers under 40.
April previously served as an Assistant Solicitor General for the State of Texas, handling appeals for various Texas agencies. She is a former councilmember for the Texas State Bar's Appellate Section and a current councilmember for the Civil Rights & Civil Liberties Section. She serves as a trustee for the Texas Supreme Court Historical Association, and she is on the board of the Garland R. Walker Inn of Court in Houston. She is a member of the State Bar of Texas Pattern Jury Charge Oversight Committee, and she is on the editorial board of The Advocate. In 2022 and 2023, she was a guest instructor for Harvard Law School's Introduction to Trial Advocacy Program. She taught Origins of the Federal Constitution with Judge Charles Eskridge at the University of Texas School of Law in 2025, and she previously taught First Amendment at South Texas College of Law.
April clerked for Judge Jennifer Walker Elrod on the U.S. Court of Appeals for the Fifth Circuit. She graduated from Harvard Law School cum laude in 2009, and she earned her bachelor's degree summa cum laude from Abilene Christian University in 2006. She was named ACU's Young Alumnus of the Year for 2025. She enjoys spending time with her husband and children, tennis, and theology.
Charles I. Francis Professorship in Law, University of Texas at Austin School of Law
Professor Aaron Nielson lectures and writes in the areas of administrative law, civil procedure, and federal courts. Before joining the faculty, he served as Solicitor General of Texas and represented Texas before the U.S. Supreme Court and the Texas Supreme Court, as well as overseeing all appellate litigation for the State. Earlier in his career, he was a professor at Brigham Young University and an appellate and antitrust partner in the Washington, D.C. office of Kirkland & Ellis LLP. He also clerked for Justice Samuel A. Alito, Jr. of the U.S. Supreme Court, Judge Janice Rogers Brown of the U.S. Court of Appeals for the D.C. Circuit, and Judge Jerry E. Smith of the U.S. Court of Appeals for the Fifth Circuit.
As Solicitor General, Professor Nielson successfully defended against a First Amendment challenge Texas’s law requiring online pornographers to institute age verification. In 2020, the U.S. Supreme Court appointed him to defend the constitutionality of a federal agency. He currently serves as a Senior Fellow of the Administrative Conference of the United States after completing a six-year term as an appointed public member and chair of the Conference’s Administration & Management Committee.
Nielson’s research focuses on administrative law, federal litigation, and the separation of powers. He has published (or soon will publish) in the Harvard Law Review, Columbia Law Review, University of Chicago Law Review, University of Pennsylvania Law Review, Duke Law Journal, Georgetown Law Journal, Cornell Law Review, and Northwestern University Law Review, among others. Nielson has been recognized for teaching for teaching and scholarship and in 2021 received the Federalist Society’s Joseph Story Award, which recognizes a young academic for excellence in legal scholarship, a commitment to teaching, and a concern for students, and who has made a significant public impact in a manner that advances the rule of law in a free society. He is also an elected member of the American Law Institute.
Professor Nielson received his J.D. magna cum laude from Harvard Law School and an LL.M from the University of Cambridge, where he focused his studies on the institutions that regulate global competition and commerce. He received his undergraduate degree summa cum laude from the University of Pennsylvania, majoring in economics and political science.
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.
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.
Solicitor General, Tennessee Attorney General's Office
Matt Rice serves as the Solicitor General of Tennessee. Before joining the State, Matt worked in private practice at Williams & Connolly LLP. He clerked for Justice Clarence Thomas on the United States Supreme Court as well as Judge Sandra Ikuta on the United States Court of Appeals for the Ninth Circuit. Before his legal career, Matt played professional baseball in the Tampa Bay Rays organization.
Judge, United States District Court for the Western District of Kentucky
Prior to joining the bench, Judge Beaton was a Partner at Squire Patton Boggs LLP, where he co-chaired the firm’s Appellate & Supreme Court practice group. Judge Beaton’s represented clients engaged in complex commercial litigation in Federal and State courts, and before administrative agencies. Judge Beaton also served as an adjunct professor at the University of Louisville Brandeis School of Law, where he taught constitutional interpretation. Before joining Squire Patton Boggs, Judge Beaton practiced in the Washington, D.C. office of Sidley Austin, LLP, and also served as a legal fellow with the International Justice Mission in Kampala, Uganda. Upon graduation from law school, Judge Beaton served as a law clerk to Justice Ruth Bader Ginsburg of the United States Supreme Court, and to Judge A. Raymond Randolph of the United States Court of Appeals for the D.C. Circuit. Judge Beaton earned his B.A., summa cum laude, from Centre College, and his J.D. from Columbia Law School, where he served as an Articles Editor on the Columbia Law Review.
Justice, Supreme Court of Tennessee
Justice Sarah Campbell was confirmed to the Tennessee Supreme Court in 2022. She previously served as an Associate Solicitor General in the Tennessee Attorney General’s Office and as an associate at the law firm of Williams & Connolly LLP in Washington, DC. Justice Campbell earned her law degree from Duke University School of Law, a Master of Public Policy degree from Duke University, and her undergraduate degree from the University of Tennessee, where she received the Torchbearer Award. She served as a law clerk for Justice Samuel A. Alito, Jr. on the United States Supreme Court and Judge William H. Pryor Jr. on the U.S. Court of Appeals for the Eleventh Circuit.
Judge, Arizona Court of Appeals, Division One
The Honorable Jennifer M. Perkins began service on the Arizona Court of Appeals, Division One, on October 30, 2017. At the time of her appointment by Governor Douglas Ducey, Judge Perkins was Assistant Solicitor General for the State of Arizona.
Judge Perkins was born in Portales, New Mexico, and primarily raised in Albuquerque. She attended the prestigious Albuquerque Academy from 1988-1995, before moving to Washington D.C. to attend the Elliott School of International Affairs at the George Washington University as a National Merit Scholar. Therafter, she relocated again to Dallas, Texas, and earned her juris doctor from the SMU Dedman School of Law, graduating cum laude in 2002.
Judge Perkins started her career at the law firm of Browning & Peifer (now Peifer, Hanson, Mullins, and Baker) in Albuquerque, New Mexico. While there, she litigated complex commercial matters including class action plaintiff and defense work, and assisted with employment and contract litigation. In 2003, the judge accompanied the Honorable James O. Browning in transitioning to the federal district court bench, serving as his first law clerk.
After her clerkship, Judge Perkins moved to Arizona to work for the Institute for Justice, Arizona Chapter, a public interest law firm. She spent five years with IJ-AZ litigating civil rights cases in Arizona and across the country. In 2009, the judge became Disciplinary Counsel for the Arizona Commission on Judicial Conduct, where she reviewed and prosecuted ethics complaints against state court judges throughout Arizona. After five years serving the state in this capacity, Judge Perkins entered private practice by joining an appellate law firm in Phoenix. While there, she worked on state and federal appeals involving a wide range of legal subjects, including complex business disputes, property rights, judicial ethics, and personal injury matters.
In January 2015, Judge Perkins joined the Office of the Arizona Attorney General to serve as the first Assistant Solicitor General; in that capacity, she was responsible for oversight of Attorney General Opinions and served as ethics counsel to the entire office. In addition to these two primary roles, the judge assisted on a variety of matters including trial and appellate litigation of election-related matters; federal appellate litigation with the Federalism Unit; state criminal appeals; and drafting amicus briefs on behalf of Arizona in state and federal courts.
Associate Justice, New Jersey Supreme Court
Justice Rachel Wainer Apter was nominated by Gov. Phil Murphy and was sworn in as an associate justice on Oct. 21, 2022.
Born on July 22, 1980, Justice Wainer Apter grew up in Rockaway. She graduated from the University of Pennsylvania and received her law degree from Harvard Law School. After law school, she served as a law clerk for U.S. District Judge Jed Rakoff, U.S. Circuit Judge Robert Katzmann, and U.S Supreme Court Associate Justice Ruth Bader Ginsburg.
At the time of her appointment, Justice Wainer Apter was serving as director of the New Jersey Division on Civil Rights. She previously served as counsel to the New Jersey Attorney General and assistant attorney general.
Before joining the Attorney General’s Office, Justice Wainer Apter worked as a senior staff attorney at the American Civil Liberties Union (ACLU) and in the Supreme Court and Appellate practice at Orrick, Herrington & Sutcliffe.
Justice Wainer Apter and her husband have three children.
Vice Chairman, External and Regulatory Affairs, Millennium Management
Dan Berkovitz is Vice Chairman, External and Regulatory Affairs at Millennium, and is a
member of the Firm’s Compliance, Legal & Ethics Oversight Committee.
From 2021 to 2023 Dan served as General Counsel of the U.S. Securities and Exchange
Commission and from 2018 to 2021 he served as a Commissioner of the U.S. Commodity
Futures Trading Commission (CFTC). He was also previously a partner and co-chair of the
Futures and Derivatives practice at the law firm of WilmerHale, General Counsel of the CFTC,
senior counsel for the U.S. Senate Permanent Subcommittee on Investigations, and a Deputy
Assistant Secretary in the Office of Environmental Management at the U.S. Department of
Energy. Currently, Dan also is a Lecturer in Law at Columbia University Law School, where he
teaches derivatives regulation.
Dan received an A.B. in Physics from Princeton University and a J.D. from the University of
California College of the Law, San Francisco, formerly known as Hastings College of the Law.
Partner, Cravath, Swaine & Moore LLP
Jeffrey T. Dinwoodie is a member of the Financial Institutions Group at Cravath, Swaine & Moore LLP. Mr. Dinwoodie previously served as Chief Counsel to the Chairman of the Securities and Exchange Commission (SEC) and as Head of the Office of Financial Institutions at the U.S. Department of the Treasury.
Mr. Dinwoodie has broad experience advising financial institutions, companies and investors, as well as government officials, across multiple disciplines. His practice focuses on advising clients on financial regulation and compliance, enforcement and examinations, and M&A and other corporate transactions. Mr. Dinwoodie’s practice also covers policy and regulatory strategy matters. Mr. Dinwoodie’s clients include established institutions, emerging companies and entrepreneurs—and his work spans both traditional finance and innovation‑related and crypto asset issues.
General Counsel, Commodity Futures Trading Commission
Rob Schwartz is the General Counsel at the Commodity Futures Trading Commission. In that role, Mr. Schwartz leads the agency’s Office of the General Counsel and serves as the Commission’s chief legal advisor. He was appointed General Counsel in January 2022 after serving for a year as Acting General Counsel.
Since joining the CFTC in 2011, Mr. Schwartz has served primarily as the CFTC’s chief litigator, in the position of Deputy General Counsel for Litigation, Enforcement and Adjudication. He has successfully represented the CFTC in numerous critically significant cases, including several lawsuits challenging the agency’s implementation of the Dodd-Frank Act, many appeals in enforcement actions, and bankruptcies of CFTC registrants.
Mr. Schwartz joined the CFTC from private practice where he represented businesses and individuals in enforcement actions and investigations by the Securities and Exchange Commission, the Public Company Accounting Oversight Board and other government agencies, as well as in private civil actions at all levels of the federal judicial system covering a broad range of business issues. Prior to that, Mr. Schwartz served as a law clerk to the Honorable Amalya L. Kearse of the U.S. Court of Appeals for the Second Circuit. Mr. Schwartz holds a JD, magna cum laude, from New York University School of Law and a BA in Political Science from Tufts University.
Partner, Holtzman Vogel Baran Torchinsky & Josefiak PLLC
Abhishek (Abhi) Kambli is a partner at Holtzman Vogel who represents clients in high-stakes appellate and complex litigation, constitutional challenges, and matters involving state attorneys general and federal agencies. He is one of a handful of lawyers nationally who has both led federal litigation from inside the Department of Justice and multi-state coalition work from a State Attorney General’s office—giving clients a 360-degree perspective on government enforcement, regulatory challenges, and constitutional advocacy.
Prior to joining Holtzman Vogel, Abhi served as Deputy Associate Attorney General at the United States Department of Justice, where he acted as lead counsel in high-priority matters for the Trump Administration, oversaw the Department’s civil components on behalf of the Associate Attorney General, advised the White House Counsel’s Office and federal agencies on litigation risk and strategy, and developed the Department’s national affirmative civil litigation strategy.
Earlier, he served as Deputy Attorney General and Division Chief of the Special Litigation and Constitutional Issues Division at the Kansas Attorney General’s Office, where he launched the division and led multi-state coalitions in trial and appellate courts nationwide, including the United States Supreme Court. He began his career as an Assistant United States Attorney in the Southern District of Indiana, prosecuting more than 100 federal cases from investigation through appeal.
Abhi is also a Lieutenant Colonel in the United States Air Force Judge Advocate General's Corps, having served on active duty and in the reserves since 2013. His military service includes criminal trials as both prosecutor and defense attorney, appellate representation before the Court of Appeals for the Armed Forces, and representation of a high-profile detainee before the Military Commissions at Guantánamo Bay.
Litigation Counsel, New Civil Liberties Alliance
Sheng Li is Litigation Counsel for the New Civil Liberties Alliance. Prior to joining NCLA, Sheng served as Counselor to the Administrator of Wage and Hour at the U.S. Department of Labor. In that role, he led numerous efforts to remove or simplify unduly burdensome regulations. He has also worked in the private sector as a litigation associate at Patterson Belknap Webb & Tyler and at Kirkland & Ellis.
Sheng is a graduate of Johns Hopkins University and Yale Law School, where he was managing editor of the Yale Journal of International Law. After graduating law school, Sheng served as law clerk to the Hon. Danny J. Boggs on the U.S. Court of Appeals for the Sixth Circuit.
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.