Founder, CGCN Law, PLLC
Solicitor General, Ohio
Mathura Sridharan serves as the 12th Solicitor General of Ohio. She previously served as Deputy Solicitor General and as Director of Ohio’s Tenth Amendment Center, where she initiated and directed suits to defend Ohioans against unlawful federal policies and to preserve the separation of powers between the federal and state governments. Across these roles, she has briefed and argued numerous appeals before the Ohio Supreme Court, the Supreme Court of the United States, and the U.S. Courts of Appeals for the Sixth and other Circuits. In 2024, Mathura argued before the Supreme Court of the United States in Ohio v. EPA, representing several States in a challenge to the Environmental Protection Agency’s Good Neighbor Rule regulating the interstate transport of air pollution.
Before joining the Ohio Attorney General’s Office, Mathura clerked for Judge Steven J. Menashi of the U.S. Court of Appeals for the Second Circuit and Judge Deborah A. Batts of the U.S. District Court for the Southern District of New York. She holds a Juris Doctor from New York University School of Law, a Master of Science in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology, and Bachelor of Science degrees in Economics and in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology.
Director, Climate & Clean Air Program, Natural Resources Defense Council
David Doniger has been at the forefront of the battle against air pollution and global climate change since he joined NRDC in 1978. He helped formulate the Montreal Protocol, an international agreement designed to stop the depletion of the earth's ozone layer, as well as several essential amendments to the Clean Air Act. In 1993, he left NRDC to serve on the White House Council on Environmental Quality, followed by key posts at the U.S. Environmental Protection Agency. He rejoined NRDC in 2001 and has since been working to defend the Clean Air Act from assaults in Congress. He is based in Washington, D.C.
Chief of Staff and Associate Chief Counsel, U.S. Chamber Litigation Center
Stephanie Maloney is chief of staff and associate chief counsel at the U.S. Chamber Litigation Center, the litigation arm of the U.S. Chamber of Commerce. In this capacity, Maloney handles a variety of matters for the Chamber, including environment and energy litigation.
Most recently, Maloney served as Chief of Staff and Counsel in the Environment and Natural Resources Division of the U.S. Department of Justice. In that capacity, she directed litigation strategy, oversaw case briefing, and managed coordination and communication with agency clients in priority cases. And she served as government counsel in cases arising under various environmental and natural resources laws.
Before that, Maloney practiced as an associate in the Appellate and Critical Motions Practice Group at Winston & Strawn LLP. Her work focused on briefing and strategy in complex commercial and appellate litigation at the federal and state level, including merits and amicus curiae briefs to the Supreme Court of the United States.
Maloney served as a law clerk to both the Honorable Edith Brown Clement, of the U.S. Court of Appeals for the Fifth Circuit, and the Honorable Stephen J. Murphy, III, of the U.S. District Court for the Eastern District of Michigan. She graduated cum laude from Notre Dame Law School, where she served as Symposium Editor of the Notre Dame Law Review, and summa cum laude from Loyola University Maryland, where she received a B.A. in Political Science. Maloney also holds a master’s degree in theology from Emory University.
United States District Judge, United States District Court for the Middle District of Florida
In November 2020, the Senate confirmed Kathryn Kimball Mizelle as a United States District Judge for the Middle District of Florida. At age 33, she became the youngest Article III judge in the country. Prior to her confirmation, Judge Mizelle was in private practice at Jones Day, where she focused on complex civil and criminal litigation and appeals. Judge Mizelle previously served at the United States Department of Justice in the Office of the Associate Attorney General, in the Southern Criminal Enforcement Section of the Tax Division, and in the United States Attorney’s Office for the Eastern District of Virginia. Judge Mizelle has also taught as an adjunct professor of law at the University of Florida Levin College of Law and at George Mason University’s Antonin Scalia Law School.
Judge Mizelle earned her B.A., summa cum laude, from Covenant College, and her J.D., summa cum laude, from the University of Florida Levin College of Law. After graduation, Judge Mizelle served as a law clerk at every level of the federal judiciary: at the Supreme Court for Justice Clarence Thomas, at the D.C. Circuit for Judge Gregory G. Katsas, at the Eleventh Circuit for Chief Judge William H. Pryor Jr., and at the Middle District of Florida for Judge James S. Moody Jr.
Robert F. Stanton Professor of Law, University of Maryland Carey School of Law
Robert V. Percival is the Robert F. Stanton Professor of Law and the Director of the Environmental Law Program at the University of Maryland School of Law. He received a B.A. summa cum laude from Macalester College, a J.D. from Stanford Law School and an M.A. in economics from Stanford University. At Stanford Percival was named the Nathan Abbott Scholar for graduating first in his law school class. Following graduation, he served as a law clerk for Judge Shirley M. Hufstedler of the U.S. Court of Appeals for the Ninth Circuit and for U.S. Supreme Court Justice Byron R. White. He joined the Maryland faculty in 1987 after serving as a senior attorney for the Environmental Defense Fund. Percival has served as a visiting professor of law at Harvard Law School, Georgetown University Law Center, the China University of Political Science and Law (Beijing), and Comenius University (Bratislava). He is the principal author of a leading environmental law casebook, now in its 9th edition, and the author of several articles about the Supreme Court and presidential authority over executive agencies. Percival wrote one of the first articles on the propriety of consent decrees to effectuate and enforce federal law “The Bounds of Consent: Consent Decrees, Settlements and Federal Environmental Policymaking,” 1987 Univ. Chic. Leg. F. 327 (1987). He also is the author of the first comprehensive analyses of what the papers of the late Justices Thurgood Marshall and Harry Blackmun reveal about the Supreme Court’s handling of environmental cases (“Environmental Law in the Supreme Court: Highlights from the Blackmun Papers,” 35 ELR 10637 (2005), and “Environmental Law in the Supreme Court: Highlights from the Marshall Papers,” 13 ELR 10606 (Oct. 1993)).
Senior Attorney, Pacific Legal Foundation
Damien Schiff is a senior attorney at Pacific Legal Foundation. He leads its environmental practice group, a unique initiative that draws broadly from PLF’s expertise and success in property rights and separation of powers litigation. Over the years, Damien has represented hundreds of landowners and property rights advocates to defend their liberties against heavy-handed and unwarranted environmental and land-use regulation. His litigation experience includes Sackett v. U.S. Environmental Protection Agency, a groundbreaking decision in which the U.S. Supreme Court upheld the right of landowners to challenge Clean Water Act compliance orders issued by EPA, and Contoski v. Norton, PLF’s successful effort to force the federal government to make good on its promise to delist the bald eagle from the Endangered Species Act.
Besides litigation, Damien has written academic articles on a variety of subjects, including the Endangered Species Act, the Clean Water Act, greenhouse gas torts, the duty to rescue, and international water law. He has appeared on a variety of television and radio programs and has been quoted in The New York Times, The Wall Street Journal, Harper’s Magazine, and The Economist, among other publications.
He obtained his law degree magna cum laude from the University of San Diego School of Law, and his undergraduate degree magna cum laude from Georgetown University. While at USD, he was a research assistant for Professor Bernard Siegan, a leading constitutional theorist and advocate for property rights and economic liberty. Immediately prior to joining PLF, Damien clerked for Judge (and former PLF attorney) Victor Wolski of the United States Court of Federal Claims. Damien credits the mentoring and examples of Professor Siegan and Judge Wolski for his decision to pursue a career in liberty-based public interest litigation.
Damien lives in Sacramento with his wife, two young sons, four chickens, and a cat named Princess. In his off hours he enjoys stamp collecting, Gregorian chant, and martinis—preferably at the same time.
Senior Litigation Attorney, EarthRights International
Rick Herz is a 1993 Order of the Coif graduate of the University of Virginia School of Law, where he served on the Virginia Law Review. In 1994, he clerked for the Hon. Raymond A. Jackson, U.S. District Judge for the Eastern District of Virginia. Rick was the 1997-1998 Natural Resources Law Institute Fellow at Northwestern School of Law of Lewis and Clark College, where he wrote”Litigating Environmental Abuses Under the Alien Tort Claims Act: A Practical Assessment” , an article about suing multinational corporations for environmental abuses under the Alien Tort Claims Act. He is a member of the New York State Bar. At ERI, Rick directs our work on cases against multinational corporations for international human rights and environmental abuses. As such he is co-counsel for the plaintiffs ERI’s past and ongoing litigation, including Doe v. Unocal, Bowoto v. Chevron, Sahu v. Union Carbide, Wiwa v. Royal Dutch Petroleum, Maynas v. Occidental Petroleum, Doe v. Chiquita, and API v. SEC. He has also filed amicus briefs in the United States Supreme Court and various U.S. Circuit and District courts on behalf of NGOs and law professors in important human rights cases, and he advises human rights and environmental activists and lawyers on international law.
Partner, Jones Day
Eliot Pedrosa is a first chair litigator and trial lawyer with 20 years of experience representing businesses in complex and challenging litigation involving international disputes, financial institutions, securities, and products liability.
Eliot has served as first chair in more than a dozen jury trials and arbitrations and defended clients under investigation by federal and state regulators. Eliot, who is a native Spanish speaker, has in-depth knowledge of Latin American law and recently completed a term as the Senate-confirmed Executive Director of the Inter-American Development Bank (IDB), the largest source of development finance for Latin America and the Caribbean.
Prior to joining Jones Day, Eliot successfully represented clients from around the world, including a German medical device manufacturer, an Israeli software company, the largest sugar producer in Nicaragua, a Spanish language radio station and media company regarding broadcast rights for Mexican soccer matches in the United States, a music company in litigation regarding the sale of a salsa music catalog, a financial services firm in an action alleging improper handling of credit card transactions, and a tobacco company in individual Florida Engle cases.
Eliot has been committed to providing pro bono legal services throughout his career, including representing human trafficking victims, an unaccompanied minor seeking asylum, and a First Amendment challenge to the Florida High School Athletic Association's decision to prohibit use of a stadium loudspeaker for a prayer at a high school football championship game between two private, Christian schools.
Of Counsel, DLA Piper LLP (US)
Harout J. Samra – a Board Certified Specialist in International Law – focuses his practice on international dispute resolution and arbitration matters, including international civil litigation in US courts.
Harout has represented clients from both the public and private sectors, including foreign governments, public officials and clients from a variety of industries. He has experience in international arbitrations administered under the International Chamber of Commerce (ICC), International Centre for Dispute Resolution (ICDR), United Nations Commission on International Trade Law (UNCITRAL), China International Economic and Trade Arbitration Commission (CIETAC), Bogota Chamber of Commerce, Madrid Court of Arbitration and International Centre for Settlement of Investment Disputes (ICSID) arbitration rules.
Harout currently serves as a member of the Florida Supreme Court Judicial Nominating Commission, by appointment of Governor Ron DeSantis. He previously served, by appointment of Governor Rick Scott, as a member of the Florida Third District Court of Appeal Judicial Nominating Commission, and was elected as Chair of the Commission from 2018-2019.
Former Acting Assistant Attorney General, United States Department of Justice; Partner, Winston & Strawn LLP
Jonathan “Jon” Brightbill is a trial and appellate lawyer in Winston’s Washington, D.C. office, and a partner in the firm’s Litigation and White Collar, Regulatory Defense, and Investigations Practices. He represents public and private companies, corporate officers, and other individuals across white collar, regulatory defense, and government and internal investigation matters and rulemaking challenges, as well as complex commercial disputes, citizen suits, and class actions. His commercial litigation experience encompasses business disputes, false advertising, consumer protection and fraud, FCA, and extensive class action defense work; antitrust and unfair competition matters; and intellectual property litigation, such as trademarks, patents, and trade secrets.
Jon served as the Nation’s lead environmental civil and criminal enforcement official and litigator, as Acting Assistant Attorney General for the Environment & Natural Resources Division (“ENRD”) of the U.S. Department of Justice (DOJ). Jon led ENRD’s 425 lawyers, overseeing 6,500 active matters and managing an annual budget of more than $150 million. Jon brings highly experienced executive leadership from among the most senior level of DOJ on white collar and regulatory enforcement, as well as on federal policymaking and rulemaking development and challenges. He speaks with authority on government decision-making processes, and the arguments and perspectives that move regulators and enforcers, best advising and positioning clients to deal with challenges.
Jon argued many of the government’s most significant cases during his time with the DOJ. This included the Navigable Waters Protection Rule and Clean Water Rule Repeal (10th Cir., district courts), the Affordable Clean Energy Rule and Clean Power Plan Repeal (D.C. Cir), defense of EPA actions on pesticide tolerances under FIFRA and the FDCA (9th Cir. en banc), among numerous others. Jon represented the United States in trial courts in both enforcement and defensive cases, including federal enforcement action against Jeffrey Lowe and the Tiger King Park, of Netflix fame, securing a first-of-its-kind injunction for violations of the Endangered Species Act and Animal Welfare Act. Jon directed the litigation and briefing of scores of additional federal cases nationwide, covering all of the major environmental and natural resources statutes, such as the Clean Air Act, the Clean Water Act, FIFRA (pesticides), FDCA (food safety), TSCA (toxics), CERCLA (land remediation), RCRA (waste), National Environmental Policy Act, Federal Land Policy and Management Act, and numerous other land- and resource-management statutes.
Jon has unmatched experience litigating legal and technical issues relating to climate change. He argued in the courts of appeals, including the D.C. Circuit, regarding the most significant climate change regulations by EPA, as well as the preemptive scope of the Clean Air Act. Jon also litigated climate change-related credit and trading schemes and international agreements in district court. During Jon’s time in leadership at ENRD, it successfully defeated one of the most wide-ranging lawsuits regarding climate change to date—obtaining a stay pending interlocutory appeal and dismissal just weeks before a scheduled three-month trial on federal government liability for climate change.
An accomplished trial lawyer, prior to working at DOJ, Jon was a partner in the Washington, D.C. office of another global law firm. He not only represents clients in court, but creatively counsels corporations on balancing business needs and realities with a broad range of litigation risks and compliance obligations. Jon is also an Adjunct Professor at Georgetown University Law Center. He served on the American Bar Association’s E-Discovery Working Group for Bankruptcy Practice, and was a frequent lecturer for District of Columbia Bar Association Continuing Legal Education Programs.
Jon served as an appellate clerk for the Honorable D. Brooks Smith, U.S. Court of Appeals for the Third Circuit, after graduating magna cum laude from the Georgetown University Law Center. He worked in state government as an Executive Policy Specialist for air, waste, land remediation, and radiation matters at the Pennsylvania Department of Environmental Protection.
Professor of Law, University of Minnesota Law School
Professor James W. Coleman is a scholar of energy law. He specializes in North American energy infrastructure, transport, and trade. He is also a nonresident senior fellow at the American Enterprise Institute focused on energy policy.
Professor Coleman has testified before Congress on steps to speed up energy infrastructure permits. He also worked with a team of experts as part of Alberta's Royalty Review to revise the Canadian province's management of its vast oil and gas resources.
Before joining Minnesota, Professor Coleman taught at Southern Methodist University's Dedman School of Law, the University of Calgary’s law and business schools, and Harvard Law School. Earlier, he practiced environmental and appellate law at Sidley Austin in Washington, D.C., and clerked for the Honorable Steven M. Colloton of the U.S. Court of Appeals for the Eighth Circuit.
Professor Coleman received two degrees from Harvard University—a J.D. (cum laude) and B.A. in biology (magna cum laude with highest honors in the field). As a result of his undergraduate thesis on butterfly genetics, which required fieldwork in Central Asia, a species of lycaenid butterfly was named after him—Agrodiaetus ripartii colemani.
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.
Director of the Center for Energy and Environment and Senior Fellow, Competitive Enterprise Institute
Daren Bakst is Director of the Competitive Enterprise Institute’s Center for Energy and Environment and a Senior Fellow. In this role, he manages, develops, and leads the coalition, advocacy, and research activities of the Center, which is one of the most effective advocates for Free Market Environmentalism.
Before joining CEI as Deputy Director in March, 2023, Daren was a Senior Research Fellow in Environmental Policy and Regulation at the Heritage Foundation, where he played a leading role in the launch of the organization’s new energy and environment center, and created and hosted the Heritage Foundation’s energy and environment podcast the “PowerCast.” During his decade at Heritage, Daren wrote about energy and environmental policy, food and agricultural policy (including editing and co-authoring the book Farms and Free Enterprise), regulation, and trade among other topics.
Daren also worked on environmental policy and regulation at the U.S. Chamber of Commerce, where he was a policy counsel and served as the executive to the association’s Government Oversight, Operations & Consumer Affairs committee, which was responsible for issues such as regulatory process reform. Daren has significant state level experience, working for seven years at the Raleigh, N.C.-based John Locke Foundation, one of the largest state-based, free-market think tanks. As director of legal and regulatory studies, his broad portfolio included energy and environmental policy, regulatory reform, and property rights.
Daren has testified numerous times before Congress, regularly submits comments to federal agencies and has appeared in or been quoted by a wide range of media outlets such as The Wall Street Journal, USA Today, The Washington Times, CNN, Fox Business News, Al-Jazeera America, and U.S. News and World Report. He is a member of the Federalist Society’s Environmental Law and Property Rights Executive Committee and serves on the College Level Advisory Board for Constituting America, an organization that informs and educates about the importance of the U.S. Constitution.
Daren, who hails from Florida, received his bachelor’s and master’s degrees from George Washington University. A licensed attorney, he holds a law degree from the University of Miami and a master of laws degree from American University.
Vice President, Energy & Resources Policy, The National Association of Manufacturers (NAM)
Rachel Jones is vice president of energy and resources policy at the National Association of Manufacturers (NAM). Ms. Jones oversees the NAM’s energy and environmental policy work and has expertise on issues ranging from energy production and use to air and water quality, climate change, energy efficiency and environmental regulation. She is a key voice for manufacturing on Capitol Hill, at federal agencies and across all forms of media.
Before joining the NAM, Jones was the environment and energy counsel for the U.S. House of Representatives Committee on Science, Space, and Technology, where she advised the Committee on EPA, Department of Energy, Department of the Interior, FERC, NASA, NOAA and the White House Office of Science and Technology activities. She served as a legal fellow for the U.S. Senate Committee on Environment and Public Works and as executive student notes and comments editor for the Energy Law Journal.
Ms. Jones’s relentless drive has made her a powerful advocate for our members and a respected voice on the Hill and in the Administration on issues ranging from environmental policy to energy production to infrastructure and regulatory issues.
Ms. Jones has a B.A. from Oklahoma Baptist University and a J.D. from University of Tulsa College of Law.
Policy Fellow for Regulations, Americans for Prosperity
Clint Woods is the policy fellow for regulations at Americans for Prosperity. From 2017 to 2019, he served as the deputy assistant administrator for Air and Radiation at the U.S. Environmental Protection Agency, and previously worked as executive director for the Association of Air Pollution Control Agencies, and in positions with the U.S. House Committee on Science, Space, and Technology, American Legislative Exchange Council, and the Recreation Vehicle Industry Association. He has also served on a number of state and national committees, including the U.S. Group on Earth Observations of the National Science and Technology Council and the National Advisory Council on Environmental Policy and Technology. He holds an MA in international commerce and policy from George Mason University and a BA from the University of Mary Washington. Originally from the Pacific Northwest, he now resides in Delaware County, Ohio with his family.
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.
Courthouse Steps Decision: Ohio v. EPA
Justin Schwab, Mathura Sridharan
In October of 2015, the Environmental Protection Agency (EPA) announced new standards for air quality,...
Defend the Constitution, Save the Planet: The Role of Public Interest Groups in Shaping Environmental Law
David D. Doniger, Stephanie Ann Maloney, Kathryn Kimball Mizelle, Robert V. Percival, Damien Michael Schiff
The United States adopted its modern environmental statutes in the 1970s. Among other innovations, Congress...
Foreign Sovereign and International Organization Immunity in U.S. Courts: Recent Developments and the Way Forward
Richard Herz, Eliot Pedrosa, Harout J. Samra
The Foreign Sovereign Immunities Act and its lesser-known sibling, the International Organizations Immunities Act, enacted...
Deep Dive Episode 184 – Federalism or a Federal Standard? Fuel Economy and Greenhouse Gas Emissions Standards
Jonathan Brightbill, James W. Coleman, Sean H. Donahue
Federal and state government authority to mandate automobile manufacturers and consumers switch to electric cars...
The Myths and Facts Regarding the EPA’s Benefit-Cost Analysis and Science Transparency Rules
Daren Bakst, Rachel Jones, Clint Woods
Over the past month, the Environmental Protection Agency has finalized two new transparency-related rules. The...
EPA's Mercury Ruling Response Flouts Supreme Court and Harms Public Health
The Environmental Protection Agency is going through the motions of responding to a Supreme Court...
Newly Proposed CO2 Rules - Podcast
David B. Rivkin, Mark DeLaquil
In an effort to address air pollution and global warming, on June 2, 2014, the...