Partner, Bracewell LLP
Jeffrey Holmstead, former assistant administrator of the United States Environmental Protection Agency for Air and Radiation, is one of the nation’s leading climate change lawyers as recognized by Chambers USA (2008-2016) and heads the environmental strategies group (ESG) at Bracewell. The ESG is a multi-disciplinary group that includes environmental and energy attorneys, public policy advocates and strategic communications experts – most of whom have had high-level government experience. Under Jeffrey’s leadership, they work together on a daily basis to advise and defend companies and business groups confronting major environmental and energy-development challenges, both domestically and globally.
From his time in both the government and the private sector, Jeffrey is very familiar with the environmental and energy challenges facing the business community. He advises clients dealing with an increasingly complex regulatory, legal and public relations landscape, drawing on his experience in policy development, administrative and legislative advocacy, litigation and strategic communications. He has worked with clients in a number of industries on issues related to climate change, Clean Air Act policy and enforcement, and energy policy — including the development of new coal-fired power plants, refineries, renewable energy sources, and electric transmission infrastructure.
Jeffrey headed the EPA’s Office of Air and Radiation from 2001 to 2005, longer than anyone in EPA history. During his tenure, he was the architect of several of the agency’s most important initiatives, including the Clean Air Interstate Rule, the Clean Air Diesel Rule, the Mercury Rule for power plants and the reform of the New Source Review program. He also oversaw the development of the Bush Administration’s Clear Skies Legislation and key parts of its Global Climate Change Initiative. Between 1989 and 1993, Jeffrey served on the White House Staff as Associate Counsel to former President George H.W. Bush. In that capacity, he was involved in the passage of the Clean Air Act Amendments of 1990 and the key steps taken to implement those amendments. From 1987 to 1988, he served as a law clerk to Judge Douglas H. Ginsburg on the U.S. Court of Appeals for the District of Columbia.
He received his B.A. from Brigham Young University, summa cum laude, and his J.D. from Yale Law School.
Partner, Donahue & Goldberg LLP
Megan M. Herzog is a Massachusetts-based attorney whose practice is focused on environmental, natural resources, and energy litigation and administrative advocacy. She is a member of the bar of the Commonwealth of Massachusetts, and practices in state and federal appellate courts.
Megan is a 2011 graduate of Stanford Law School, where she was Co-Editor-in-Chief of the Journal of Law, Science & Policy. She also holds an M.S. in Environment and Resources from Stanford University. Megan began her legal career with fellowships at the Environmental Law Institute in Washington, D.C. and at UCLA Law School's Emmett Institute on Climate Change and the Environment, where she advised state and local governments on climate change mitigation and adaptation policy. From 2016 to 2018, she served as staff attorney at Conservation Law Foundation's Boston office, where she worked on clean energy, ocean, and fisheries matters, including litigation in federal courts and before state public utilities commissions. Megan then spent nearly five years in the Massachusetts Office of the Attorney General, Energy and Environment Bureau, advocating before federal agencies and litigating cases concerning state and federal air, climate, energy, and natural resources laws. She led state government coalitions in several actions in the U.S. Supreme Court and the U.S. Court of Appeals for the D.C. Circuit, and before the Federal Energy Regulatory Commission.
Megan has published on a variety of environmental law topics, including climate change adaptation and federal regulation of greenhouse gas emissions. She has taught courses in environmental law, climate law, and ocean and coastal law at UCLA Law School and Tufts University. She has testified before legislative committees and given dozens of presentations on critical issues in environmental law, including for the American Law Institute, Energy Bar Association, California State Bar Association Environmental Law Section, and multiple law review symposia.
Tazewell Taylor Professor of Law and William H. Cabell Research Professor, William & Mary Law School
Jonathan H. Adler joined the William & Mary law faculty as the Tazwell Taylor Professor of Law and William H. Cabell Research Professor in 2025. Prior to joining the faculty, he was the inaugural Johan Verheij Memorial Professor of Law and the founding Director of the Coleman P. Burke Center for Environmental Law at the Case Western Reserve University School of Law.
Professor Adler is the author or editor of seven books, including Climate Liberalism: Perspectives on Liberty, Property and Pollution (Palgrave, 2023), Marijuana Federalism: Uncle Sam and Mary Jane (Brookings Institution Press, 2020), Business and the Roberts Court (Oxford University Press, 2016) and Rebuilding the Ark: New Perspectives on Endangered Species Act Reform (AEI Press, 2011).
His articles have appeared in publications ranging from the Harvard Environmental Law Review and Yale Journal on Regulation to the Wall Street Journal, New York Times, and Washington Post. He has testified before Congress a dozen times, and his work has been cited in the U.S. Supreme Court. A 2024 study identified Professor Adler as the seventh most cited legal academic in administrative and environmental law from 2019 to 2023.
Professor Adler is a contributing editor to Civitas Outlook and a regular contributor to the popular legal blog, The Volokh Conspiracy. A regular commentator on constitutional and regulatory issues, he has appeared on numerous radio and television programs, ranging from the PBS Newshour and National Public Radio to the Fox News Channel and Entertainment Tonight.
Professor Adler is a senior fellow at the Property & Environment Research Center in Bozeman, Montana. In 2018, Professor Adler was elected to membership in the American Law Institute and helped co-found the organization Checks and Balances. In 2024, Professor Adler was appointed a public member of the Administrative Conference of the United States.
Professor Adler clerked for the Honorable David B. Sentelle on the U.S. Court of Appeals for the District of Columbia Circuit.
Professor of Law, Wayne Law
Noah Hall's expertise is in environmental and water law, and his research focuses on issues of environmental governance, federalism, and transboundary pollution and resource management.
He joined the Wayne Law faculty in 2005. For the 2014-15 academic year, he served as the Law School's associate dean for student affairs. Previously, he taught at the University of Michigan Law School and was an attorney with the National Wildlife Federation, where he managed the Great Lakes Water Resources Program for the nation's largest conservation organization. Hall also worked in private practice for several years, representing a variety of business and public-interest clients in litigated and regulatory matters. He has extensive litigation experience and numerous published decisions in state and federal courts. He continues to represent a variety of clients in significant environmental policy disputes. From 2016-2019, Hall served as special assistant attorney general for Michigan for the Flint water investigation.
Hall is founder of the Great Lakes Environmental Law Center, a nonprofit environmental organization that provides legal assistance to community organizations, environmental non-governmental organizations, and local, state and regional governments. He continues to serve as the Great Lakes Environmental Law Center's scholarship director.
He graduated from the University of Michigan Law School and University of Michigan School of Natural Resources and Environment, concentrating in environmental policy. After law school, he clerked for the Hon. Kathleen A. Blatz, chief justice of the Minnesota Supreme Court.
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.
Head of Tech & Innovation, Centre for Policy Studies
Matthew Feeney is Head of Tech & Innovation at Centre for Policy Studies. Before joining CPS, Matthew was the director of Cato Institute’s Project on Emerging Technologies. His writing has appeared in The New York Times, The Washington Post, City A.M., and others. He received both his BA and MA in philosophy from the University of Reading.
Senior Research Fellow, Center for Growth and Opportunity
William Rinehart is a Senior Research Fellow at the Center for Growth and Opportunity at Utah State University.
He specializes in telecommunication, Internet, and data policy, with a focus on emerging technologies and innovation. His work has appeared in The Wall Street Journal, Bloomberg, Wired, Morning Consult, The Hill, Forbes, Reason, Marginal Revolution, Overlawyered, and on BBC Radio and NPR, just to name a few. Rinehart speaks regularly on topics related to tech policy and has been cited in regulatory orders from the FCC as well as Supreme Court petitions.
Rinehart came to the Center from the American Action Forum, where he served as Director of Technology and Innovation Policy. He was also previously a Research Fellow at TechFreedom and the Director of Operations at the International Center for Law & Economics. Additionally, he worked for the Institute for Policy and Civic Engagement as the Research Assistant in Technology and Civic Engagement. Rinehart is currently a Frédéric Bastiat Fellow at the Mercatus Center and previously a Fellow at the Internet Law & Policy Foundry. Additionally, he served on the Federal Communications Commission’s Broadband Deployment Committee and Consumer Advocacy Committee.
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.
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