Partner, Baker Hostetler LLP
David Rivkin is a member of the firm's litigation, international and environmental teams and is co-leader of the firm's national appellate practice. He has extensive experience in constitutional, administrative and international law litigation and has been involved in numerous high-profile cases. With his prior experience in the government sector, David draws on a wealth of knowledge when providing compliance advice to companies and handling enforcement proceedings before government agencies on issues arising out of multilateral and unilateral sanctions, the Foreign Corrupt Practices Act (FCPA), anti-boycott issues, bankruptcy and financial fraud matters, and environmental and energy issues.
David has developed and implemented legislative, regulatory and litigation initiatives for two presidential administrations. Over the years, he has published hundreds of articles, op-eds, book reviews and book chapters on a variety of international, legal, constitutional, defense, arms control, foreign policy, environmental and energy issues for various newspapers and magazines, including The Wall Street Journal, The Washington Post, The New York Times, USA Today and The Los Angeles Times, and has been a frequent commentator and guest on TV and radio shows including ABC, CBS, NBC, CNN, Fox News, NPR and PBS.
Partner, Baker & Hostetler LLP
Mark DeLaquil is a first-chair trial and appellate advocate who focuses on complex environmental and regulatory proceedings, First Amendment practice and political law.
Mark has been recognized by Chambers USA for environmental litigation (2015 to 2024) and has been named by Law360 as one of the "Top 5 Environmental Attorneys Under the Age of 40" on two occasions.
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.
Lecturer in Law, University of Chicago Law School
Robert Gasaway is a Lecturer in Law at the University of Chicago Law School. He was formerly a Partner at Kirkland & Ellis LLP in their Washington office. He has represented and advised corporate clients on a wide variety of matters before federal courts, state courts, federal administrative agencies, and federal and state legislative bodies. Mr. Gasaway focuses his practice on appellate litigation, representing clients in the preparation of integrated, multiforum trial and appellate strategies in high-risk sets of related cases.
Senior Policy Analyst, The George Washington University Regulatory Studies Center
Sofie Miller's regulatory research portfolio includes economic analysis of energy efficiency standards, analysis of regulatory benefits, use of cost benefit analysis by agencies, retrospective review of existing rules, regressive effects of regulations, and the efficacy of public participation within the rulemaking process. Sofie has submitted public comments on regulations establishing energy efficiency standards, airline passenger protections, consumer product safety, and standards to prevent foodborne illnesses. Sofie has published articles in Regulation Magazine and the journal Engage, and is the editor of the GW Regulatory Studies Center's weekly Regulation Digest, which tracks regulatory developments in federal agencies, think tanks, and the media.
Leadership Counsel, Washington State Senate Republican Caucus
Daniel Himebaugh serves as Leadership Counsel for the Washington State Senate Republican Caucus.
Partner, Faegre Drinker Biddle & Reath LLP
Brian J. Paul is an appellate lawyer and leads law teams in high-stakes commercial litigation. He has briefed and argued everything from weighty abstract constitutional issues to dollars-and-cents business issues and everything in-between, both on appeal and in trial courts around the country. A member of the American Law Institute, recent past-president of the Seventh Circuit Bar Association and top-tier ranked Chambers appellate lawyer, Brian had one client say about him: “Brian is one of the most respected and skilled appellate lawyers, not only in Indianapolis but across the country. He is trusted to deliver timely guidance on complex issues.” Another said: “He is excellent. I enjoyed working with him. He is able to put things into layman’s terms and explains things really well. His written and oral advocacy are short, crisp and to the point.”
Clients hire Brian to digest the complex, and make the complex simple and compelling for busy, generalist judges. In his writing, he strives to cut through jargon and legalese, and distill things down to what’s important. In his oral advocacy, by intense preparation, he strives to be the advocate whom judges trust for the right answers. In the dozens of cases he has argued, Brian has helped clients win on both sides of the “v.” His recent representations include:
Assistant Attorney General, Environment and Natural Resources Division, U.S. Department of Justice
Jeffrey Bossert Clark was born in Philadelphia, Pennsylvania on April 17, 1967. He is a graduate of Harvard University (A.B. in economics and history, 1989), the University of Delaware (M.A. in urban affairs and public policy, 1993), and the Georgetown University Law Center (J.D., 1995).
Mr. Clark began his career working for the State of Delaware’s Department of Finance, Division of Revenue as an economics analyst in the field of tax policy. During his tenure from 1989 to 1992, he authored several white papers analyzing Delaware revenue sources. Delaware also selected Mr. Clark to submit an economic report and affidavit to the United States Supreme Court in the original jurisdiction case of Delaware v. New York, 507 U.S. 490 (1993).
He entered Georgetown’s law school in 1992 where he earned honors as an articles editor of the Georgetown Law Journal, an Olin Law & Economics Fellow, and a member of the Order of the Coif. From 1995 to 1996, Mr. Clark clerked for Judge Boggs of the U.S. Court of Appeals of the Sixth Circuit. Mr. Clark then joined the law firm of Kirkland & Ellis as an associate from 1996-2001. He worked as an appellate litigator on numerous Supreme Court and other appellate cases and developed expertise in administrative law, statutory interpretation, as well as antitrust, labor, environmental, and telecommunications law.
Mr. Clark went on to serve in ENRD from 2001-2005 as a Deputy Assistant Attorney General selected by Attorney General Ashcroft and Assistant Attorney General Tom Sansonetti. In that capacity, he supervised ENRD’s Appellate and Indian Resources Sections. He reviewed, edited, and contributed to virtually every brief that ENRD filed in the Courts of Appeals, including several cases of exceptional significance that he personally briefed and argued. During his service in the early 2000s, Mr. Clark argued and won numerous cases in multiple U.S. Courts of Appeals and worked on all Supreme Court cases arising out of ENRD’s work.
In 2005, Mr. Clark returned to Kirkland & Ellis LLP as a partner, where he litigated until his return to ENRD in 2018. There he worked on numerous multi-billion-dollar matters and continued to argue many appellate cases. His practice operated at all levels — appellate litigation, trial court litigation, agency proceedings, and regulatory and litigation counseling. He has been named a Super Lawyer for multiple years running, highlighted in the Legal 500, named to the “Legal Who’s Who for Environmental Law” in Corporate Responsibility Magazine, rated A.V. preeminent by Martindale Hubbell, and named a member of the National Association of Distinguished Counsel’s Nation’s One Percent. He also was named one of America’s Top 100 High Stakes Litigators.
President Trump nominated Mr. Clark to be the Assistant Attorney General of the Environment and Natural Resources Division (ENRD) on June 7, 2017. He was confirmed by the U.S. Senate on October 11, 2018 and sworn into office on November 1, 2018, followed by an investiture ceremony on November 15, 2018.
Partner, Donahue & Goldberg LLP
Sean H. Donahue's practice is focused on appellate litigation, including environmental cases in federal and state appellate courts, legal counseling, and helping clients communicate effectively to courts, agencies, and other audiences. He is a member of the bars of the District of Columbia and the State of California.
A 1992 graduate of University of Chicago Law School, Sean served as law clerk to Ruth Bader Ginsburg, then of the U.S. Court of Appeals for the D.C. Circuit, and to Justice John Paul Stevens. He entered private practice at Jenner & Block's Washington office, where he worked on civil matters including in telecommunications and First Amendment law. He then spent four years at the Department of Justice, Environmental and Natural Resources Division, Appellate Section, briefing and arguing cases in the United States Courts of Appeals, and state supreme courts concerning federal environmental and natural resources law, federal property law, takings, and Indian law.
Sean has argued approximately 50 cases in federal and state appellate courts. Since first establishing his own practice in 2002, he has represented environmental and public health organization parties in numerous major environmental and clean energy cases in the Supreme Court and the courts of appeals. His current practice includes representation of public interest organizations, governmental bodies, and private entities in environmental, energy, natural resources, and other cases. Sean has taught courses in environmental law, civil procedure, constitutional law and other subjects at Washington & Lee University School of Law, Iowa College of Law, and Georgetown University Law Center, and currently teaches climate change law and policy as a lecturer at Stanford Law School. He has given presentations at law schools including Berkeley, Columbia, Fordham, Harvard, Duke, Georgetown, Maryland, NYU, Northwestern, Stanford, University of Chicago, University of Florida, Vermont Law School, and Washington & Lee.
Senior Fellow, Center for Energy and Environment, Competitive Enterprise Institute
Marlo Lewis, Jr. is a Senior Fellow at the Competitive Enterprise Institute, where he writes on global warming, energy policy, and other public policy issues. Prior to joining CEI in April 2002, he served as Director of External Relations at the Reason Foundation in Los Angeles, California. During the 106th Congress, Marlo served as Staff Director of the House Government Reform Subcommittee on National Economic Growth, Natural Resources, and Regulatory Affairs.
His interests include the science, economics, and politics of global warming policy; the precautionary principle; environmentalism and religion; and the moral basis of free enterprise. Marlo has been published in The Washington Times, Investors Business Daily, TechCentralStation, National Review, and Interpretation: A Journal of Political Philosophy. He has appeared on various television and radio programs, and his ideas have been featured in radio commentary by Rush Limbaugh and G. Gordon Liddy.
Before joining CEI for his first tenure with the organization in 1993, Marlo served as Research Director for the grassroots organization, Citizens Against Government Waste. Earlier, he was a Staff Consultant to the House Foreign Affairs Subcommittee on International Economic Policy and Trade, a Special Assistant at the State Department Bureau of Inter-American Affairs and Bureau of International Organization Affairs, and a Visiting Assistant Professor of Political Science at Claremont McKenna College. He holds a Ph.D. in Government from Harvard University and a B.A. in Political Science from Claremont McKenna College.
Executive Vice President, The Federalist Society
Dean Reuter is Executive Vice President at the Federalist Society for Law and Public Policy Studies. He has served in two federal government agency Offices of the Inspector General, as Counsel to the Inspector General and Deputy Inspector General, responsible for policing the use of federal funds granted and contracted through those agencies. As such, he helped conduct and oversee criminal investigations across the country. He is the principal author of the non-fiction book, The Hidden Nazi: The Untold Story of America's Deal with the Devil, and editor of Liberty’s Nemesis: The Unchecked Expansion of the State and Confronting Terror: 9/11 and the Future of American National Security. He was appointed by the President and served as Vice-Chairman of the Board of Directors of the Corporation for National and Community Service, and recently served as an appointee on the U.S. Commission on Presidential Scholars. He is a graduate of Hood College (BA with Honors) and the University of Maryland School of Law.
Lecturer in Law, University of Chicago Law School
Robert Gasaway is a Lecturer in Law at the University of Chicago Law School. He was formerly a Partner at Kirkland & Ellis LLP in their Washington office. He has represented and advised corporate clients on a wide variety of matters before federal courts, state courts, federal administrative agencies, and federal and state legislative bodies. Mr. Gasaway focuses his practice on appellate litigation, representing clients in the preparation of integrated, multiforum trial and appellate strategies in high-risk sets of related cases.
Partner, Baker & Hostetler LLP
Darin Bartram focuses his practice in the areas of constitutional litigation and appellate work, with particular experience in environmental law.
Partner, Sidley Austin LLP
ROGER MARTELLA co-leads the Environmental practice group at Sidley Austin LLP. He rejoined Sidley Austin LLP after serving as the General Counsel of the United States Environmental Protection Agency, concluding 10 years of litigating and handling complex environmental and natural resource matters at the Department of Justice and EPA. In 2015, Roger was recognized by Who’s Who Legal as the environmental lawyer of the year globally.
Roger’s practice focuses on three primary areas. First, Roger advises companies on developing strategic approaches to achieve their goals in light of rapidly developing demands to addressclimate change, promote sustainability and utilize clean energy. Second, Roger handles a broad range of environmental and natural resource litigation and mediation. Third, Roger advises multinational companies on compliance with environmental laws in the United States, China, the European Union and other nations.
Roger counsels approximately 50 of the world’s leading conventional and renewable energy, industrial, transportation, agricultural, forestry, and technology companies on bet-the-company environmental issues, regulatory matters, and litigation including transitioning to an era of legal controls addressing greenhouse gas emissions, increasingly stringent pollutant controls, alternative and clean energy, hydraulic fracturing, and sustainability both in the United States and abroad.
Roger employs a strategic, forward-looking approach to solving emerging law and policy issues across the world that have the potential to create both opportunities and risks for domestic and multinational energy and manufacturing companies and industries. Roger’s approach is to build a collaborative and coalition-building framework that seeks the strongest possible results through up front coordination with government, industry, and NGO stakeholders, leveraging strong honest broker relations with government officials and understanding of government approach to realize resolutions that have led to extraordinary favorable resolutions offering significant regulatory relief to industries and pennies-on-the-dollar enforcement settlements for companies.
Roger was unanimously confirmed by the United States Senate as EPA General Counsel. In that role, Roger served as EPA’s chief legal advisor supervising an office of 350 lawyers and staff in Washington and 10 regional offices. In particular, Roger led the team responsible for developing for the first time under the Clean Air Act the federal government’s climate change legal framework and options in response to the landmark Supreme Court decision Massachusetts v. EPA, which held greenhouse gases to be air pollutants under the Clean Air Act.
Partner, Faegre Drinker Biddle & Reath LLP
Brian J. Paul is an appellate lawyer and leads law teams in high-stakes commercial litigation. He has briefed and argued everything from weighty abstract constitutional issues to dollars-and-cents business issues and everything in-between, both on appeal and in trial courts around the country. A member of the American Law Institute, recent past-president of the Seventh Circuit Bar Association and top-tier ranked Chambers appellate lawyer, Brian had one client say about him: “Brian is one of the most respected and skilled appellate lawyers, not only in Indianapolis but across the country. He is trusted to deliver timely guidance on complex issues.” Another said: “He is excellent. I enjoyed working with him. He is able to put things into layman’s terms and explains things really well. His written and oral advocacy are short, crisp and to the point.”
Clients hire Brian to digest the complex, and make the complex simple and compelling for busy, generalist judges. In his writing, he strives to cut through jargon and legalese, and distill things down to what’s important. In his oral advocacy, by intense preparation, he strives to be the advocate whom judges trust for the right answers. In the dozens of cases he has argued, Brian has helped clients win on both sides of the “v.” His recent representations include:
Does EPA’s Clean Power Plan Proposal Violate the States’ Sovereign Rights?
David B. Rivkin, Mark DeLaquil, Andrew Grossman
Note from the Editor: This article discusses the Environmental Protection Agency’s Clean Power Plan under...
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Robert R. Gasaway
In what has become a highly visible challenge to the EPA’s authority under the Clean...
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TeleforumEPA’s Retrospective Review of Regulations: Will It Reduce Manufacturing Burdens?
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Introduction Through a series of Executive Orders, President Obama has encouraged federal regulatory agencies to...
Engage Volume 14, Issue 2
*Online Only Issue ADMINISTRATIVE LAW & REGULATION EPA’s Retrospective Review of Regulations: Will It...
Can the Environmental Protection Agency Stop the Pebble Mine?
Daniel Himebaugh
Note from the Editor: This article discusses whether the Environmental Protection Agency has the authority...
From Hubris to Humility: Who Should Make Decisions About Environmental Law?
John Copeland Nagle, Brian J. Paul
On May 16, 2013, the Indianapolis Lawyers Chapter of the Federalist Society hosted an event...
From Hubris to Humility: Who Should Make Decisions About Environmental Law?
The Indianapolis Lawyers Chapter
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Jeffrey Bossert Clark, Sean H. Donahue, Marlo Lewis, Dean Reuter
Starting in late 2009, the Environmental Protection Agency began issuing a series of four rules...