Assistant Solicitor General, Kansas Attorney General
Adam Steinhilber is an assistant solicitor general for the State of Kansas. He was previously a litigation associate in the Kansas City office of Bryan Cave Leighton Paisner LLP. Before entering private practice, Adam clerked for Chief Judge Timothy M. Tymkovich of the U.S. Court of Appeals for the Tenth Circuit and Justice Mark S. Massa of the Indiana Supreme Court.
Adam earned his J.D., magna cum laude, from the University of Michigan Law School, where he was elected to the Order of the Coif. He earned his B.A. in Political Science from the University of Kansas, where he was elected to Phi Beta Kappa.
Adam has held several leadership positions within the Federalist Society, and he currently serves on the Board of the Kansas City Lawyers Chapter.
Senior Vice President for Legal Studies, Cato Institute
Clark Neily is senior vice president for legal studies at the Cato Institute. His areas of interest include constitutional law, overcriminalization, civil forfeiture, police accountability, and gun rights. Neily is the author of Terms of Engagement: How Our Courts Should Enforce the Constitution’s Promise of Limited Government. His writing has appeared in the Wall Street Journal, Forbes, and National Review Online, as well as various law reviews, including the Harvard Journal of Law and Public Policy, George Mason Law Review, Georgetown Journal of Law and Public Policy, NYU Journal of Law and Liberty, and Texas Review of Law and Politics. Neily is a frequent guest speaker and lecturer for the Federalist Society, Institute for Humane Studies, and American Constitution Society.
Before joining Cato in 2017, Neily was a senior attorney and constitutional litigator at the Institute for Justice and director of the Institute’s Center for Judicial Engagement. He is also an adjunct professor at the University of Texas School of Law, where he teaches constitutional litigation and public-interest law.
Neily served as co-counsel in District of Columbia v. Heller, the historic case in which the Supreme Court held for the first time that the Second Amendment protects an individual right to own a gun for self-defense.
Neily began his legal career as a law clerk to Judge Royce Lamberth on the U.S. District Court for the District of Columbia. After that he spent four years in the trial department of the Dallas-based firm Thompson & Knight. Neily received his undergraduate and law degrees from the University of Texas, where he was Chief Articles Editor of the Texas Law Review.
Stone Hilton, Founding Partner
A founding partner of Stone Hilton, Judd Stone is well respected both in Texas and across the nation as an insightful and tenacious appellate litigator. A lifelong Texan, Judd has argued dozens of appeals in both federal and state court, including arguing eight cases before the United States Supreme Court.
Judd began his legal career clerking for United States Supreme Court Justice Antonin Scalia and Fifth Circuit Chief Judge Edith H. Jones. With a J.D. from Northwestern University School of Law where he graduated first in his class, Judd's academic and professional credentials place him among the most distinguished lawyers in the profession. At the helm of countless major legal battles and emergency appeals for the State of Texas, Judd's deep understanding of the law and persuasive advocacy have been instrumental in shaping legal precedents. His tenure as the Solicitor General of Texas is a testament to his expertise and the trust placed in him by high-ranking state officials. Judd's strategic prowess extends beyond the courtroom; his advisory roles have made him a respected figure among policymakers.
His contributions to Stone Hilton and the legal community are characterized by his meticulous approach to cases, his acumen as a counselor, and his unwavering commitment to justice. As a partner at Stone Hilton, Judd continues to apply his formidable talents to advocate for his clients with the utmost dedication and to uphold the pillars of integrity and excellence that the firm stands for.
Senior Vice President for Legal Studies, Cato Institute
Clark Neily is senior vice president for legal studies at the Cato Institute. His areas of interest include constitutional law, overcriminalization, civil forfeiture, police accountability, and gun rights. Neily is the author of Terms of Engagement: How Our Courts Should Enforce the Constitution’s Promise of Limited Government. His writing has appeared in the Wall Street Journal, Forbes, and National Review Online, as well as various law reviews, including the Harvard Journal of Law and Public Policy, George Mason Law Review, Georgetown Journal of Law and Public Policy, NYU Journal of Law and Liberty, and Texas Review of Law and Politics. Neily is a frequent guest speaker and lecturer for the Federalist Society, Institute for Humane Studies, and American Constitution Society.
Before joining Cato in 2017, Neily was a senior attorney and constitutional litigator at the Institute for Justice and director of the Institute’s Center for Judicial Engagement. He is also an adjunct professor at the University of Texas School of Law, where he teaches constitutional litigation and public-interest law.
Neily served as co-counsel in District of Columbia v. Heller, the historic case in which the Supreme Court held for the first time that the Second Amendment protects an individual right to own a gun for self-defense.
Neily began his legal career as a law clerk to Judge Royce Lamberth on the U.S. District Court for the District of Columbia. After that he spent four years in the trial department of the Dallas-based firm Thompson & Knight. Neily received his undergraduate and law degrees from the University of Texas, where he was Chief Articles Editor of the Texas Law Review.
Stone Hilton, Founding Partner
A founding partner of Stone Hilton, Judd Stone is well respected both in Texas and across the nation as an insightful and tenacious appellate litigator. A lifelong Texan, Judd has argued dozens of appeals in both federal and state court, including arguing eight cases before the United States Supreme Court.
Judd began his legal career clerking for United States Supreme Court Justice Antonin Scalia and Fifth Circuit Chief Judge Edith H. Jones. With a J.D. from Northwestern University School of Law where he graduated first in his class, Judd's academic and professional credentials place him among the most distinguished lawyers in the profession. At the helm of countless major legal battles and emergency appeals for the State of Texas, Judd's deep understanding of the law and persuasive advocacy have been instrumental in shaping legal precedents. His tenure as the Solicitor General of Texas is a testament to his expertise and the trust placed in him by high-ranking state officials. Judd's strategic prowess extends beyond the courtroom; his advisory roles have made him a respected figure among policymakers.
His contributions to Stone Hilton and the legal community are characterized by his meticulous approach to cases, his acumen as a counselor, and his unwavering commitment to justice. As a partner at Stone Hilton, Judd continues to apply his formidable talents to advocate for his clients with the utmost dedication and to uphold the pillars of integrity and excellence that the firm stands for.
Nick Ohnell Fellow, The Manhattan Institute
Rafael Mangual is the Nick Ohnell Fellow at the Manhattan Institute, a contributing editor of City Journal, and a member of the Council on Criminal Justice. His first book, Criminal (In)Justice, was released in July 2022. He has authored and coauthored a number of MI reports and op-eds on issues ranging from urban crime and jail violence to broader matters of criminal and civil justice reform. His work has been featured and mentioned in a wide array of publications, including the Wall Street Journal, The Atlantic, New York Post, The New York Times, The Washington Post, Philadelphia Inquirer and City Journal. Mangual also regularly appears on Fox News and has made a number of national and local television and radio appearances on outlets such as C-SPAN and Bloomberg Radio. In 2020, he was appointed to serve a four-year term as a member of the New York State Advisory Committee of the U.S. Commission on Civil Rights.
Prior to joining MI in 2015, Rafael worked in corporate communications for the International Trademark Association. He holds a B.A. in corporate communications from the City University of New York’s Baruch College and a J.D. from DePaul University in Chicago, where he was president of the Federalist Society and vice president of the Appellate Moot Court team. After graduating from law school, Mangual was inducted into the Order of the Barristers, a national honor society for excellence in oral and written advocacy.
James A. Baker III Chair in the Rule of Law and World Affairs and Associate Dean for Academic Affairs, The University of Texas at Austin School of Law
Bobby Chesney holds the James Baker Chair and also serves as the Associate Dean for Academic Affairs at the University of Texas School of Law. In addition, he is the Director of the Robert S. Strauss Center for International Security and Law, a University-wide research unit bridging across disciplines to improve understanding of international security issues.
In 2009, Professor Chesney served in the Justice Department in connection with the Detention Policy Task Force created by Executive Order 13493. He also previously served the Intelligence Community as an associate member of the Intelligence Science Board and as a member of the Advanced Technology Board. In addition to his current positions at the University of Texas, he is a member of the American Law Institute, and a senior editor for the Journal of National Security Law & Policy, and a former non-resident Senior Fellow of the Brookings Institution.
Professor Chesney is a co-founder and contributor to www.lawfareblog.com, the leading source for analysis, commentary, and news relating to law and national security. In addition to his blogging at Lawfare, those interested in national security law should consider following Professor Chesney on Twitter (@bobbychesney) as well as subscribing to the National Security Law Podcast (which he co-hosts with his colleague Steve Vladeck). Professor Chesney's scholarship focuses on U.S. national security policies and institutions, encompassing both domestic and international law issues. His articles may be downloaded from SSRN here.
Professor Chesney is a magna cum laude graduate of both Texas Christian University and Harvard Law School. After law school he clerked for the Honorable Lewis A. Kaplan of the United States District Court for the Southern District of New York and the Honorable Robert D. Sack of the United States Court of Appeals for the Second Circuit. He then practiced with the firm Davis Polk & Wardwell in New York (litigation), before beginning his academic career with Wake Forest University School of Law. There he received a teacher of the year award from the student body in one year, and from the school's dean in another. In 2008 he came to the University of Texas School of Law as a visiting professor, and then joined UT on a permanent basis in 2009. He became the Associate Dean for Academic Affairs in 2011.
Professor Chesney teaches a variety of courses, including: Constitutional Law, National Security Law, Foundations of Cybersecurity: Law, Institutions, and Policy; Law of the Intelligence Community; History of U.S. Counterterrorism Law & Policy: 1970 to Present; Evidence, Civil Procedure, and an array of seminars. He is from San Antonio.
Executive Vice President, Chief Legal Officer, Gates Corporation
Matthew R. A. Heiman joined the Company in May 2026 and has served as the Company’s Chief Legal Officer and Corporate Secretary since June 2026. As Chief Legal Officer, Mr. Heiman is responsible for all legal functions for Gates, including securities and corporate governance, M&A, litigation, commercial, regulatory, compliance, patents and trademarks, real estate, employment and labor, sustainability and environmental matters. Prior to joining Gates, Mr. Heiman held senior legal leadership roles at Waystar, where he served as Chief Legal & Administrative Officer from 2023 to 2025 and as General Counsel and Corporate Secretary from 2020 to 2023. Prior to that, he was with Johnson Controls, where he served as Vice President, Corporate Secretary, and Associate General Counsel. Mr. Heiman has been a Senior Fellow for the National Security Institute at George Mason University’s Antonin Scalia School of Law since 2018.
Partner, Davis Polk & Wardwell LLP
Kenneth Wainstein is a partner at Davis Polk & Wardwell, where he focuses his practice on corporate internal investigations and civil and criminal enforcement proceedings. Ken spent over 20 years in a variety of law enforcement and national security positions in the government. Between 1989 and 2001, Ken served as an Assistant U.S. Attorney in both the Southern District of New York and the District of Columbia, where he handled criminal prosecutions ranging from public corruption to gang prosecution cases and held a variety of supervisory positions, including Acting United States Attorney. In 2001, he was appointed Director of the Executive Office for U.S. Attorneys, where he provided oversight and support to the 94 U.S. Attorneys’ Offices. Between 2002 and 2004, Ken served as General Counsel of the Federal Bureau of Investigation and then as Chief of Staff to Director Robert S. Mueller III. In 2004, Ken was appointed and then confirmed as United States Attorney for the District of Columbia, where he had the privilege to lead the largest United States Attorney’s Office in the country. In 2006, the U.S. Senate confirmed Ken as the first Assistant Attorney General for National Security. In that position, Ken established and led the new National Security Division, which consolidated DOJ’s law enforcement and intelligence activities on counterterrorism and counterintelligence matters. In 2008, after 19 years at the Justice Department, Ken was named Homeland Security Advisor by President George W. Bush. In this capacity, he coordinated the nation’s counterterrorism, homeland security, infrastructure protection, and disaster response and recovery efforts. He advised the President, convened and chaired meetings of the Cabinet Officers on the Homeland Security Council, and oversaw the inter-agency coordination process for homeland security and counterterrorism programs.
Senior Fellow and Director of Constitutional Studies, Manhattan Institute
Ilya Shapiro is a senior fellow and director of constitutional studies at the Manhattan Institute and a contributing editor of City Journal. Previously he was executive director and senior lecturer at the Georgetown Center for the Constitution, and before that a vice president of the Cato Institute.
Shapiro is the author of Lawless: The Miseducation of America’s Elites (2025) and Supreme Disorder: Judicial Nominations and the Politics of America’s Highest Court (2020), coauthor of Religious Liberties for Corporations? (2014), and editor of 11 volumes of the Cato Supreme Court Review (2008-18). He has contributed to a variety of academic, popular, and professional publications, including the Wall Street Journal, Harvard Journal of Law & Public Policy, Washington Post, Los Angeles Times, USA Today, National Review, and Newsweek. He also regularly provides commentary for various media outlets, writes the Shapiro’s Gavel newsletter on Substack, and once appeared on the Colbert Report.
Shapiro has testified many times before Congress and state legislatures and has filed more than 500 amicus curiae “friend of the court” briefs in the Supreme Court. He lectures regularly on behalf of the Federalist Society, is a member of the board of fellows of the Jewish Policy Center, was an inaugural Washington Fellow at the National Review Institute, and has been an adjunct law professor at the George Washington University and University of Mississippi. He is also the chairman of the board of advisers of the Mississippi Justice Institute, a barrister in the Edward Coke Appellate Inn of Court, and a former member of the Virginia Advisory Committee to the U.S. Commission on Civil Rights.
Earlier in his career, Shapiro was a special assistant/adviser to the Multi-National Force in Iraq on rule-of-law issues and practiced at Patton Boggs and Cleary Gottlieb. Before entering private practice, he clerked for Judge E. Grady Jolly of the U.S. Court of Appeals for the Fifth Circuit. He holds an AB from Princeton University, an MSc from the London School of Economics, and a JD from the University of Chicago Law School.
Senior Vice President for Legal Studies, Cato Institute
Clark Neily is senior vice president for legal studies at the Cato Institute. His areas of interest include constitutional law, overcriminalization, civil forfeiture, police accountability, and gun rights. Neily is the author of Terms of Engagement: How Our Courts Should Enforce the Constitution’s Promise of Limited Government. His writing has appeared in the Wall Street Journal, Forbes, and National Review Online, as well as various law reviews, including the Harvard Journal of Law and Public Policy, George Mason Law Review, Georgetown Journal of Law and Public Policy, NYU Journal of Law and Liberty, and Texas Review of Law and Politics. Neily is a frequent guest speaker and lecturer for the Federalist Society, Institute for Humane Studies, and American Constitution Society.
Before joining Cato in 2017, Neily was a senior attorney and constitutional litigator at the Institute for Justice and director of the Institute’s Center for Judicial Engagement. He is also an adjunct professor at the University of Texas School of Law, where he teaches constitutional litigation and public-interest law.
Neily served as co-counsel in District of Columbia v. Heller, the historic case in which the Supreme Court held for the first time that the Second Amendment protects an individual right to own a gun for self-defense.
Neily began his legal career as a law clerk to Judge Royce Lamberth on the U.S. District Court for the District of Columbia. After that he spent four years in the trial department of the Dallas-based firm Thompson & Knight. Neily received his undergraduate and law degrees from the University of Texas, where he was Chief Articles Editor of the Texas Law Review.
Stone Hilton, Founding Partner
A founding partner of Stone Hilton, Judd Stone is well respected both in Texas and across the nation as an insightful and tenacious appellate litigator. A lifelong Texan, Judd has argued dozens of appeals in both federal and state court, including arguing eight cases before the United States Supreme Court.
Judd began his legal career clerking for United States Supreme Court Justice Antonin Scalia and Fifth Circuit Chief Judge Edith H. Jones. With a J.D. from Northwestern University School of Law where he graduated first in his class, Judd's academic and professional credentials place him among the most distinguished lawyers in the profession. At the helm of countless major legal battles and emergency appeals for the State of Texas, Judd's deep understanding of the law and persuasive advocacy have been instrumental in shaping legal precedents. His tenure as the Solicitor General of Texas is a testament to his expertise and the trust placed in him by high-ranking state officials. Judd's strategic prowess extends beyond the courtroom; his advisory roles have made him a respected figure among policymakers.
His contributions to Stone Hilton and the legal community are characterized by his meticulous approach to cases, his acumen as a counselor, and his unwavering commitment to justice. As a partner at Stone Hilton, Judd continues to apply his formidable talents to advocate for his clients with the utmost dedication and to uphold the pillars of integrity and excellence that the firm stands for.
James A. Baker III Chair in the Rule of Law and World Affairs and Associate Dean for Academic Affairs, The University of Texas at Austin School of Law
Bobby Chesney holds the James Baker Chair and also serves as the Associate Dean for Academic Affairs at the University of Texas School of Law. In addition, he is the Director of the Robert S. Strauss Center for International Security and Law, a University-wide research unit bridging across disciplines to improve understanding of international security issues.
In 2009, Professor Chesney served in the Justice Department in connection with the Detention Policy Task Force created by Executive Order 13493. He also previously served the Intelligence Community as an associate member of the Intelligence Science Board and as a member of the Advanced Technology Board. In addition to his current positions at the University of Texas, he is a member of the American Law Institute, and a senior editor for the Journal of National Security Law & Policy, and a former non-resident Senior Fellow of the Brookings Institution.
Professor Chesney is a co-founder and contributor to www.lawfareblog.com, the leading source for analysis, commentary, and news relating to law and national security. In addition to his blogging at Lawfare, those interested in national security law should consider following Professor Chesney on Twitter (@bobbychesney) as well as subscribing to the National Security Law Podcast (which he co-hosts with his colleague Steve Vladeck). Professor Chesney's scholarship focuses on U.S. national security policies and institutions, encompassing both domestic and international law issues. His articles may be downloaded from SSRN here.
Professor Chesney is a magna cum laude graduate of both Texas Christian University and Harvard Law School. After law school he clerked for the Honorable Lewis A. Kaplan of the United States District Court for the Southern District of New York and the Honorable Robert D. Sack of the United States Court of Appeals for the Second Circuit. He then practiced with the firm Davis Polk & Wardwell in New York (litigation), before beginning his academic career with Wake Forest University School of Law. There he received a teacher of the year award from the student body in one year, and from the school's dean in another. In 2008 he came to the University of Texas School of Law as a visiting professor, and then joined UT on a permanent basis in 2009. He became the Associate Dean for Academic Affairs in 2011.
Professor Chesney teaches a variety of courses, including: Constitutional Law, National Security Law, Foundations of Cybersecurity: Law, Institutions, and Policy; Law of the Intelligence Community; History of U.S. Counterterrorism Law & Policy: 1970 to Present; Evidence, Civil Procedure, and an array of seminars. He is from San Antonio.
Executive Vice President, Chief Legal Officer, Gates Corporation
Matthew R. A. Heiman joined the Company in May 2026 and has served as the Company’s Chief Legal Officer and Corporate Secretary since June 2026. As Chief Legal Officer, Mr. Heiman is responsible for all legal functions for Gates, including securities and corporate governance, M&A, litigation, commercial, regulatory, compliance, patents and trademarks, real estate, employment and labor, sustainability and environmental matters. Prior to joining Gates, Mr. Heiman held senior legal leadership roles at Waystar, where he served as Chief Legal & Administrative Officer from 2023 to 2025 and as General Counsel and Corporate Secretary from 2020 to 2023. Prior to that, he was with Johnson Controls, where he served as Vice President, Corporate Secretary, and Associate General Counsel. Mr. Heiman has been a Senior Fellow for the National Security Institute at George Mason University’s Antonin Scalia School of Law since 2018.
Partner, Davis Polk & Wardwell LLP
Kenneth Wainstein is a partner at Davis Polk & Wardwell, where he focuses his practice on corporate internal investigations and civil and criminal enforcement proceedings. Ken spent over 20 years in a variety of law enforcement and national security positions in the government. Between 1989 and 2001, Ken served as an Assistant U.S. Attorney in both the Southern District of New York and the District of Columbia, where he handled criminal prosecutions ranging from public corruption to gang prosecution cases and held a variety of supervisory positions, including Acting United States Attorney. In 2001, he was appointed Director of the Executive Office for U.S. Attorneys, where he provided oversight and support to the 94 U.S. Attorneys’ Offices. Between 2002 and 2004, Ken served as General Counsel of the Federal Bureau of Investigation and then as Chief of Staff to Director Robert S. Mueller III. In 2004, Ken was appointed and then confirmed as United States Attorney for the District of Columbia, where he had the privilege to lead the largest United States Attorney’s Office in the country. In 2006, the U.S. Senate confirmed Ken as the first Assistant Attorney General for National Security. In that position, Ken established and led the new National Security Division, which consolidated DOJ’s law enforcement and intelligence activities on counterterrorism and counterintelligence matters. In 2008, after 19 years at the Justice Department, Ken was named Homeland Security Advisor by President George W. Bush. In this capacity, he coordinated the nation’s counterterrorism, homeland security, infrastructure protection, and disaster response and recovery efforts. He advised the President, convened and chaired meetings of the Cabinet Officers on the Homeland Security Council, and oversaw the inter-agency coordination process for homeland security and counterterrorism programs.
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