Assistant Attorney General for the Antitrust Division, U.S. Department of Justice
Jonathan Kanter was confirmed on November 16, 2021, as Assistant Attorney General for the Antitrust Division. Throughout his career, Mr. Kanter has been a leading advocate for strong and meaningful antitrust enforcement and competition policy.
Mr. Kanter has been a partner in the Washington, D.C. offices of two national law firms and was the founder of a boutique antitrust law firm dedicated to promoting antitrust enforcement. Mr. Kanter began his career as an attorney for the Federal Trade Commission's Bureau of Competition. He earned his J.D. from Washington University in St. Louis and his B.A. from State University of New York at Albany.
Partner, Rule Garza Howley LLP
Rick began his career in the 1980s in the Antitrust Division of the U.S. Department of Justice, becoming the Assistant Attorney General in charge of the Division from 1986-89 – the youngest person ever to be confirmed by the Senate to that position. Over the last 30+ years since leaving the Division, Rick has led the antitrust practices at several leading D.C. and New York firms including Covington & Burling and Paul, Weiss.
During his time in private practice, Rick has represented major multi-national companies and executives in virtually every industry – from, among others, agricultural and animal health (Monsanto, Elanco) to energy (ExxonMobil) to defense contractors (Northrop Grumman, United Technologies) to professional sports (NFL, NBA, MLB) to technology platforms (Microsoft, Nuance) to pharmaceutical manufacturers (Eli Lilly, Pfizer) to health insurers (Cigna). (For a complete list of industry experience, click here.)
Rick has represented his clients before the Antitrust Division, the Federal Trade Commission, State Attorneys General and major foreign antitrust regulators in connection with many of the most notable merger investigations, including Exxon’s merger with Mobil, US Airways’ merger with American Airlines, and Cigna’s acquisition of Express Scripts. At the same time, Rick has represented clients in some of most prominent government investigations of the last quarter century, including leading the team that settled the Government’s monopolization case against Microsoft and defending international companies and executives in major antitrust criminal investigations.
For four decades, Rick has been at the forefront of antitrust law and is uniquely capable of advising clients on the antitrust regulatory environment affecting the way they do business globally. As agencies and rules have evolved, he has helped clients to understand the dynamic legal framework, to assess the legal risk and rewards associated with a range of competitive strategies, and to work with government bodies to take advantage of, and ensure appropriate compliance with, the regulations governing the clients’ chosen strategy.
Assistant Attorney General for the Antitrust Division, U.S. Department of Justice
Jonathan Kanter was confirmed on November 16, 2021, as Assistant Attorney General for the Antitrust Division. Throughout his career, Mr. Kanter has been a leading advocate for strong and meaningful antitrust enforcement and competition policy.
Mr. Kanter has been a partner in the Washington, D.C. offices of two national law firms and was the founder of a boutique antitrust law firm dedicated to promoting antitrust enforcement. Mr. Kanter began his career as an attorney for the Federal Trade Commission's Bureau of Competition. He earned his J.D. from Washington University in St. Louis and his B.A. from State University of New York at Albany.
Partner, Rule Garza Howley LLP
Rick began his career in the 1980s in the Antitrust Division of the U.S. Department of Justice, becoming the Assistant Attorney General in charge of the Division from 1986-89 – the youngest person ever to be confirmed by the Senate to that position. Over the last 30+ years since leaving the Division, Rick has led the antitrust practices at several leading D.C. and New York firms including Covington & Burling and Paul, Weiss.
During his time in private practice, Rick has represented major multi-national companies and executives in virtually every industry – from, among others, agricultural and animal health (Monsanto, Elanco) to energy (ExxonMobil) to defense contractors (Northrop Grumman, United Technologies) to professional sports (NFL, NBA, MLB) to technology platforms (Microsoft, Nuance) to pharmaceutical manufacturers (Eli Lilly, Pfizer) to health insurers (Cigna). (For a complete list of industry experience, click here.)
Rick has represented his clients before the Antitrust Division, the Federal Trade Commission, State Attorneys General and major foreign antitrust regulators in connection with many of the most notable merger investigations, including Exxon’s merger with Mobil, US Airways’ merger with American Airlines, and Cigna’s acquisition of Express Scripts. At the same time, Rick has represented clients in some of most prominent government investigations of the last quarter century, including leading the team that settled the Government’s monopolization case against Microsoft and defending international companies and executives in major antitrust criminal investigations.
For four decades, Rick has been at the forefront of antitrust law and is uniquely capable of advising clients on the antitrust regulatory environment affecting the way they do business globally. As agencies and rules have evolved, he has helped clients to understand the dynamic legal framework, to assess the legal risk and rewards associated with a range of competitive strategies, and to work with government bodies to take advantage of, and ensure appropriate compliance with, the regulations governing the clients’ chosen strategy.
Associate Counsel to the President, White House Counsel's Office
Samuel Adkisson serves as Associate Counsel to the President in the White House Counsel’s Office.
Mr. Adkisson previously practiced law at Cooper & Kirk PLLC, where he focused on high-stakes civil-rights, political, and constitutional disputes. His matters included class actions challenging the FAA’s race-based air traffic controller hiring practices and the University of Oklahoma’s financial aid policies; appellate work on behalf of X Corp.; and the successful defense of Florida’s actions during a 2024 abortion referendum. Before joining Cooper & Kirk, he worked on the landmark case challenging Harvard’s affirmative action policies and helped launch a successful challenge to the State Bar of Texas’s membership policies.
Mr. Adkisson clerked for Chief Justice of the United States John G. Roberts, Jr., Judge Amul R. Thapar of the U.S. Court of Appeals for the Sixth Circuit, and Judge Gregory G. Katsas of the U.S. Court of Appeals for the D.C. Circuit. During Justice Kavanaugh’s confirmation hearings, he worked for Chairman of the Senate Judiciary Committee Charles E. Grassley.
Mr. Adkisson received his J.D. from Yale Law School, where he was President of the Yale Law School Federalist Society and an editor of the Yale Law Journal. He graduated summa cum laude from Vanderbilt University. Prior to joining the Trump Administration in January 2025, he lived on Signal Mountain, TN, with his wife and three children.
Partner, BakerHostetler, Adjunct Fellow, The Manhattan Institute
Andrew Grossman leads BakerHostetler’s Appellate and Major Motion team. He has appeared before the U.S. Supreme Court, nearly all the federal courts of appeals, as well as some state appellate courts, litigating high-profile and complex commercial, administrative and constitutional issues.
Andrew works with practice groups across BakerHostetler to identify and tackle complex issues, advise on administrative law and strategy, tee up issues for appeal and tackle appeals. He has developed and implemented litigation and administrative strategies for clients in several fields and industries.
In addition to his practice, Andrew advises members of Congress on matters of constitutional and administrative law, having testified more than a dozen times before the House and Senate Judiciary Committees. He has been a frequent legal commentator on radio and television, having appeared on Fox News, CNN, MSNBC, CNBC, NPR and its affiliates, CBN and elsewhere. His legal commentary has also appeared in dozens of magazines and newspapers, including The Wall Street Journal, USA Today, The Washington Post, The Washington Times and many others.
Andrew is a Senior Legal Fellow at the Buckeye Institute, an Adjunct Fellow the Manhattan Institute and a member of the leadership of the Federalist Society. He previously served as an adjunct scholar at the Cato Institute’s Robert A. Levy Center for Constitutional Studies and a legal fellow at the Heritage Foundation’s Meese Center for Legal and Judicial Studies. He clerked for Judge Edith H. Jones on the U.S. Court of Appeals for the Fifth Circuit.
Vice President for Legal Strategy, Stand Together
Casey Mattox is Vice President for Legal Strategy at Stand Together and Senior Advisor at
Americans for Prosperity. In these roles he advocates for and creates strategies and
partnerships to ensure a constitutionally limited government that protects the civil liberties of all
Americans. Prior to joining Stand Together and AFP Casey’s legal career focused on defending
the First Amendment rights of students, faculty, healthcare workers and religious organizations.
Casey has a J.D. from Boston College School of Law and an undergraduate degree from the
University of Virginia. You can find him on Twitter at @CaseyMattox_ and on LinkedIn at
@Casey-Mattox-ST.
Professor of Law, Antonin Scalia Law School, George Mason University
ILYA SOMIN is Professor of Law at George Mason University and the B. Kenneth Simon Chair in Constitutional Studies at the Cato Institute. His research focuses on constitutional law, property law, democratic theory, federalism, and migration rights. He is the author of Free to Move: Foot Voting, Migration, and Political Freedom (Oxford University Press, revised and expanded edition, 2022), Democracy and Political Ignorance: Why Smaller Government is Smarter (Stanford University Press, revised and expanded second edition, 2016), and The Grasping Hand: Kelo v. City of New London and the Limits of Eminent Domain (University of Chicago Press, 2015, rev. paperback ed., 2016), coauthor of A Conspiracy Against Obamacare: The Volokh Conspiracy and the Health Care Case (Palgrave Macmillan, 2013), and co-editor of Eminent Domain: A Comparative Perspective (Cambridge University Press, 2017). Democracy and Political Ignorance has been translated into Italian and Japanese.
Somin’s work has appeared in numerous scholarly journals, including the Yale Law Journal, Stanford Law Review, Northwestern University Law Review, Georgetown Law Journal, Critical Review, and others. Somin has also published articles in a variety of popular press outlets, including the New York Times, Washington Post, Wall Street Journal, Los Angeles Times, CNN, NBC, The Atlantic, USA Today, Boston Globe, US News and World Report, South China Morning Post, National Law Journal and Reason. He has been quoted or interviewed by the New York Times, Washington Post, Wall Street Journal, Time, Newsweek, The Economist, the Christian Science Monitor, the Financial Times, The Guardian, the Associated Press, CBS, MSNBC, NPR, BBC, Reuters, the Canadian Broadcasting Corporation, the Australian Broadcasting Corporation, Radio Free Europe/Radio Liberty, Al Jazeera, and the Voice of America, among other media.
Somin’s writings have been cited in decisions by the United States Supreme Court, multiple state supreme courts and lower federal courts, and the Supreme Court of Israel. He is co-counsel for the plaintiffs in VOS Selections, Inc. v. Trump, a case challenging the constitutionality of President Trump’s “Liberation Day” tariffs. Somin has testified on the use of drones for targeted killing in the War on Terror before the US Senate Judiciary Subcommittee on the Constitution, Civil Rights, and Human Rights. In 2009, he testified on property rights issues at the United States Senate Judiciary Committee confirmation hearings for Supreme Court Justice Sonia Sotomayor. Somin writes regularly for the popular Volokh Conspiracy law and politics blog, now affiliated with Reason magazine (previously affiliated with the Washington Post from 2014 to 2017). From 2006 to 2013, he served as Co-Editor of the Supreme Court Economic Review, one of the country’s top-rated law and economics journals.
Somin has served as a visiting professor at the University of Pennsylvania Law School. He has also been a visiting professor or scholar at the Georgetown University Law Center, the University of Hamburg, Germany, the University of Torcuato Di Tella in Buenos Aires, Argentina, Uriel Reichman University in Israel, and Zhengzhou University in China. He is a University Affiliate of the Schar School of Policy and Government at George Mason University, and an affiliated faculty member of the George Mason University Institute for Immigration Research. Before joining the faculty at George Mason, Somin was the John M. Olin Fellow in Law at Northwestern University Law School in 2002-2003. In 2001-2002, he clerked for the Hon. Judge Jerry E. Smith of the U.S. Court of Appeals for the Fifth Circuit. Professor Somin earned his B.A., Summa Cum Laude, at Amherst College, M.A. in Political Science from Harvard University, and J.D. from Yale Law School.
Associate Counsel to the President, White House Counsel's Office
Samuel Adkisson serves as Associate Counsel to the President in the White House Counsel’s Office.
Mr. Adkisson previously practiced law at Cooper & Kirk PLLC, where he focused on high-stakes civil-rights, political, and constitutional disputes. His matters included class actions challenging the FAA’s race-based air traffic controller hiring practices and the University of Oklahoma’s financial aid policies; appellate work on behalf of X Corp.; and the successful defense of Florida’s actions during a 2024 abortion referendum. Before joining Cooper & Kirk, he worked on the landmark case challenging Harvard’s affirmative action policies and helped launch a successful challenge to the State Bar of Texas’s membership policies.
Mr. Adkisson clerked for Chief Justice of the United States John G. Roberts, Jr., Judge Amul R. Thapar of the U.S. Court of Appeals for the Sixth Circuit, and Judge Gregory G. Katsas of the U.S. Court of Appeals for the D.C. Circuit. During Justice Kavanaugh’s confirmation hearings, he worked for Chairman of the Senate Judiciary Committee Charles E. Grassley.
Mr. Adkisson received his J.D. from Yale Law School, where he was President of the Yale Law School Federalist Society and an editor of the Yale Law Journal. He graduated summa cum laude from Vanderbilt University. Prior to joining the Trump Administration in January 2025, he lived on Signal Mountain, TN, with his wife and three children.
Partner, BakerHostetler, Adjunct Fellow, The Manhattan Institute
Andrew Grossman leads BakerHostetler’s Appellate and Major Motion team. He has appeared before the U.S. Supreme Court, nearly all the federal courts of appeals, as well as some state appellate courts, litigating high-profile and complex commercial, administrative and constitutional issues.
Andrew works with practice groups across BakerHostetler to identify and tackle complex issues, advise on administrative law and strategy, tee up issues for appeal and tackle appeals. He has developed and implemented litigation and administrative strategies for clients in several fields and industries.
In addition to his practice, Andrew advises members of Congress on matters of constitutional and administrative law, having testified more than a dozen times before the House and Senate Judiciary Committees. He has been a frequent legal commentator on radio and television, having appeared on Fox News, CNN, MSNBC, CNBC, NPR and its affiliates, CBN and elsewhere. His legal commentary has also appeared in dozens of magazines and newspapers, including The Wall Street Journal, USA Today, The Washington Post, The Washington Times and many others.
Andrew is a Senior Legal Fellow at the Buckeye Institute, an Adjunct Fellow the Manhattan Institute and a member of the leadership of the Federalist Society. He previously served as an adjunct scholar at the Cato Institute’s Robert A. Levy Center for Constitutional Studies and a legal fellow at the Heritage Foundation’s Meese Center for Legal and Judicial Studies. He clerked for Judge Edith H. Jones on the U.S. Court of Appeals for the Fifth Circuit.
Vice President for Legal Strategy, Stand Together
Casey Mattox is Vice President for Legal Strategy at Stand Together and Senior Advisor at
Americans for Prosperity. In these roles he advocates for and creates strategies and
partnerships to ensure a constitutionally limited government that protects the civil liberties of all
Americans. Prior to joining Stand Together and AFP Casey’s legal career focused on defending
the First Amendment rights of students, faculty, healthcare workers and religious organizations.
Casey has a J.D. from Boston College School of Law and an undergraduate degree from the
University of Virginia. You can find him on Twitter at @CaseyMattox_ and on LinkedIn at
@Casey-Mattox-ST.
Professor of Law, Antonin Scalia Law School, George Mason University
ILYA SOMIN is Professor of Law at George Mason University and the B. Kenneth Simon Chair in Constitutional Studies at the Cato Institute. His research focuses on constitutional law, property law, democratic theory, federalism, and migration rights. He is the author of Free to Move: Foot Voting, Migration, and Political Freedom (Oxford University Press, revised and expanded edition, 2022), Democracy and Political Ignorance: Why Smaller Government is Smarter (Stanford University Press, revised and expanded second edition, 2016), and The Grasping Hand: Kelo v. City of New London and the Limits of Eminent Domain (University of Chicago Press, 2015, rev. paperback ed., 2016), coauthor of A Conspiracy Against Obamacare: The Volokh Conspiracy and the Health Care Case (Palgrave Macmillan, 2013), and co-editor of Eminent Domain: A Comparative Perspective (Cambridge University Press, 2017). Democracy and Political Ignorance has been translated into Italian and Japanese.
Somin’s work has appeared in numerous scholarly journals, including the Yale Law Journal, Stanford Law Review, Northwestern University Law Review, Georgetown Law Journal, Critical Review, and others. Somin has also published articles in a variety of popular press outlets, including the New York Times, Washington Post, Wall Street Journal, Los Angeles Times, CNN, NBC, The Atlantic, USA Today, Boston Globe, US News and World Report, South China Morning Post, National Law Journal and Reason. He has been quoted or interviewed by the New York Times, Washington Post, Wall Street Journal, Time, Newsweek, The Economist, the Christian Science Monitor, the Financial Times, The Guardian, the Associated Press, CBS, MSNBC, NPR, BBC, Reuters, the Canadian Broadcasting Corporation, the Australian Broadcasting Corporation, Radio Free Europe/Radio Liberty, Al Jazeera, and the Voice of America, among other media.
Somin’s writings have been cited in decisions by the United States Supreme Court, multiple state supreme courts and lower federal courts, and the Supreme Court of Israel. He is co-counsel for the plaintiffs in VOS Selections, Inc. v. Trump, a case challenging the constitutionality of President Trump’s “Liberation Day” tariffs. Somin has testified on the use of drones for targeted killing in the War on Terror before the US Senate Judiciary Subcommittee on the Constitution, Civil Rights, and Human Rights. In 2009, he testified on property rights issues at the United States Senate Judiciary Committee confirmation hearings for Supreme Court Justice Sonia Sotomayor. Somin writes regularly for the popular Volokh Conspiracy law and politics blog, now affiliated with Reason magazine (previously affiliated with the Washington Post from 2014 to 2017). From 2006 to 2013, he served as Co-Editor of the Supreme Court Economic Review, one of the country’s top-rated law and economics journals.
Somin has served as a visiting professor at the University of Pennsylvania Law School. He has also been a visiting professor or scholar at the Georgetown University Law Center, the University of Hamburg, Germany, the University of Torcuato Di Tella in Buenos Aires, Argentina, Uriel Reichman University in Israel, and Zhengzhou University in China. He is a University Affiliate of the Schar School of Policy and Government at George Mason University, and an affiliated faculty member of the George Mason University Institute for Immigration Research. Before joining the faculty at George Mason, Somin was the John M. Olin Fellow in Law at Northwestern University Law School in 2002-2003. In 2001-2002, he clerked for the Hon. Judge Jerry E. Smith of the U.S. Court of Appeals for the Fifth Circuit. Professor Somin earned his B.A., Summa Cum Laude, at Amherst College, M.A. in Political Science from Harvard University, and J.D. from Yale Law School.
Assistant Attorney General for the Antitrust Division, U.S. Department of Justice
Jonathan Kanter was confirmed on November 16, 2021, as Assistant Attorney General for the Antitrust Division. Throughout his career, Mr. Kanter has been a leading advocate for strong and meaningful antitrust enforcement and competition policy.
Mr. Kanter has been a partner in the Washington, D.C. offices of two national law firms and was the founder of a boutique antitrust law firm dedicated to promoting antitrust enforcement. Mr. Kanter began his career as an attorney for the Federal Trade Commission's Bureau of Competition. He earned his J.D. from Washington University in St. Louis and his B.A. from State University of New York at Albany.
Partner, Rule Garza Howley LLP
Rick began his career in the 1980s in the Antitrust Division of the U.S. Department of Justice, becoming the Assistant Attorney General in charge of the Division from 1986-89 – the youngest person ever to be confirmed by the Senate to that position. Over the last 30+ years since leaving the Division, Rick has led the antitrust practices at several leading D.C. and New York firms including Covington & Burling and Paul, Weiss.
During his time in private practice, Rick has represented major multi-national companies and executives in virtually every industry – from, among others, agricultural and animal health (Monsanto, Elanco) to energy (ExxonMobil) to defense contractors (Northrop Grumman, United Technologies) to professional sports (NFL, NBA, MLB) to technology platforms (Microsoft, Nuance) to pharmaceutical manufacturers (Eli Lilly, Pfizer) to health insurers (Cigna). (For a complete list of industry experience, click here.)
Rick has represented his clients before the Antitrust Division, the Federal Trade Commission, State Attorneys General and major foreign antitrust regulators in connection with many of the most notable merger investigations, including Exxon’s merger with Mobil, US Airways’ merger with American Airlines, and Cigna’s acquisition of Express Scripts. At the same time, Rick has represented clients in some of most prominent government investigations of the last quarter century, including leading the team that settled the Government’s monopolization case against Microsoft and defending international companies and executives in major antitrust criminal investigations.
For four decades, Rick has been at the forefront of antitrust law and is uniquely capable of advising clients on the antitrust regulatory environment affecting the way they do business globally. As agencies and rules have evolved, he has helped clients to understand the dynamic legal framework, to assess the legal risk and rewards associated with a range of competitive strategies, and to work with government bodies to take advantage of, and ensure appropriate compliance with, the regulations governing the clients’ chosen strategy.
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