Shareholder, Brownstein Hyatt Farber Schreck, LLP
As co-chair of the firm’s Government Relations Department, Will Moschella leverages his experience in the Justice Department and Congress to counsel clients on a range of matters, including antitrust, financial services, legal reform, intellectual property and criminal law.
Will served at the Justice Department as principal associate deputy attorney general and as assistant attorney general in the Office of Legislative Affairs. In Congress, Will served on the House Judiciary Committee as chief oversight counsel, and chief legislative counsel and parliamentarian. He was involved in numerous high-profile legislative efforts, including the enactment of the Patriot Act, Intelligence Reform and Terrorism Prevention Act, and Prosecutorial Remedies and Other Tools to end the Exploitation of Children Today (PROTECT) Act.
In 2008, Will received the Edmund J. Randolph Award for Outstanding Service, the highest award that can be bestowed on a Justice Department official.
Founder, Law Office of Eileen J. O'Connor PLLC
After nearly 30 years as a national tax specialist with the IRS and major accounting firms, Eileen J. O’Connor, now an attorney in private practice, was Assistant Attorney General for the Justice Department’s Tax Division for six years during the administration of President George W. Bush and a member of then-President-elect Trump’s Treasury Department Transition Team. She focuses on federal administrative and tax law.
Fellow, The Constitution Project at the Project On Government Oversight
Morton Rosenberg was a senior legal analyst with the Congressional Research Service (CRS) for 35 years specializing in the areas of constitutional law , administrative law and process, congressional practice and procedure, and labor law, and in the problems raised by the interface of Congress and the Executive which involved the scope of congressional oversight and investigative prerogatives, the validity of claims of executive and common law privileges before committees, enforcement of subpoenas, and issues raised by the presidential exercise of temporary and recess appointment. He also served extended details as legal counsel for a special investigative committee and as a legal advisor to the House General Counsel.
Since his retirement from CRS in 2008 he has undertaken a variety of consulting projects and assignments that have tapped into his experience and expertise in constitutional, congressional and administrative law, practice and procedure. This has included an engagement by the Constitution Project to research and write a monograph on congressional investigative oversight in 2009 which was updated and expanded and published in May 2017 entitled "When Congress Comes Calling: A Study on the Principles, Practices. and Pragmatics of Legislative Inquiry." He also served as a consultant to the general counsel of the Public Company Accounting Oversight Board (PCAOB) and its private counsel in the preparation of briefs and for oral argument before the Supreme Court in Free Enterprise Fund v. PCAOB (2010); and in preparing and submitting an amicus brief to the Supreme Court in NLRB v. SW General (2017) which was cited five times by the majority opinion. He is presently of counsel to the law firm Barnett Sivon & Natter, Washington, D.C. and a Constitution Project Fellow.
Vice President, Practice Groups, The Federalist Society
Partner, Steptoe LLP
Shannen W. Coffin is a partner in Steptoe’s Washington office, where co-chairs the firm’s appellate practice and is a member of the regulatory litigation practice group. He frequently represents clients in trial and appellate courts in matters involving constitutional and administrative law challenges to state and federal government regulatory action.
Mr. Coffin previously served as a senior lawyer in the Executive Branch. He was Counsel to Vice President Cheney in the Office of the Vice President of the United States, where, among other things, he served on the White House’s judicial selection committee. Before that, Mr. Coffin served as Deputy Assistant Attorney General in the US Justice Department’s Civil Division, where he was responsible for overseeing and coordinating trial litigation on behalf of the federal government for constitutional challenges to federal statutes, statutory and constitutional challenges to agency programs, and defense of national security and anti-terrorism programs.
CEO, Pebble Partnership
Tom Collier leads the Pebble Partnership as its CEO. Mr. Collier is the former U.S. Department of the Interior chief of staff during the Clinton administration. He holds extensive experience in navigating the federal environmental permitting process. Prior to joining the Partnership in 2014, Mr. Collier spent 40 years serving as a partner for the law firm Steptoe & Johnson in Washington, D.C. As a senior leader in environmental law and permitting, Mr. Collier has worked on Alaska related projects in his career including development of Alpine, CD-5, and the reauthorization of the Trans-Alaska Pipeline System.
Director, Center for Energy and Environment, Competitive Enterprise Institute
Myron Ebell is director of the Center for Energy and Environment at the Competitive Enterprise Institute. Ebell also chairs the Cooler Heads Coalition, which comprises representatives from more than two dozen non-profit organizations based in the United States and abroad that challenge global warming alarmism and oppose energy rationing policies.
Ebell has worked on energy and environment issues for more than two decades, spending more than 15 years at CEI researching and advocating for sensible energy policies that benefit everyone. Instead of policies that simply reacts to alarmism, Ebell advocates for climate policies that reflect the scientifically-supported view that affordable, plentiful, and reliable energy make the world safer, the environment more livable, and should be should be accessible to those who need it most.
Ebell's writings have appeared in a variety of publications, including the New York Post, Wall Street Journal, USA Today, Washington Post, Forbes, London’s Guardian, Standpoint Magazine, Riverside Press Enterprise, Philadelphia Inquirer, and Environmental Law Forum. He has appeared as a guest on numerous television shows, including the ABC Evening News, NBC Nightly News, PBS News Hour, BBC Newsnight, BBC World, CNBC, CNN, C-SPAN’s Washington Journal, MSNBC, ITN, Voice of America, Televisa, Sky TV, Al Jazeera, PBS’s NOW, Fox News's Special Report with Bret Baier, O'Reilly Factor, and Hannity and Colmes. He has spoken frequently on a variety of BBC radio news programs and on hundreds of radio talk shows.
Ebell holds a Bachelor of Arts from Colorado College and an Master of Science from the London School of Economics. He also did graduate work at the University of California at San Diego and at Peterhouse, Cambridge University.
President, Center for Climate and Energy Solutions
Robert Perciasepe serves as president of the nonprofit Center for Climate and Energy Solutions. He served as the Deputy Administrator of the U.S. Environmental Protection Agency during the administration of Barack Obama. Prior to joining the Obama administration, Perciasepe was Chief Operating Officer for the environmental conservation non-profit National Audubon Society. Before that, he served in the administration of President Bill Clinton as the EPA's Assistant Administrator for clean water and then later as the Assistant Administrator for clean air.
Vice President, Practice Groups, The Federalist Society
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.
Joseph Tartakovsky, Author of The Lives of the Constitution: Ten Exceptional Minds that Shaped America's Supreme Law.
Joseph Tartakovsky is author of The Lives of the Constitution: Ten Exceptional Minds that Shaped America’s Supreme Law (2018) and the former Deputy Solicitor General of Nevada. His writing has appeared in the New York Times, Wall Street Journal, and Los Angeles Times.
Professor of Law, Antonin Scalia Law School, George Mason University
Adam Mossoff is Professor of Law at Antonin Scalia Law School, George Mason University. He has published extensively on why patents, copyrights, and other intellectual property rights have been—and should be—legally secured to innovators and creators as property rights. His scholarship has been relied on by the United States Supreme Court, by lower federal courts, and by U.S. federal agencies. He has been invited to testify numerous times before the U.S. Senate and the House of Representatives on intellectual property legislation. His writings on intellectual property policy have also appeared in the Wall Street Journal, New York Times, Forbes, Investors Business Daily, and in other media outlets. His journal articles can be downloaded here.
Professor Mossoff is a longstanding member of the Executive Committee of the Intellectual Property Practice Group of the Federalist Society, on which he served as Chairperson from 2016-2018, and he is Chair of the Intellectual Property Working Group of the Regulatory Transparency Project of the Federalist Society. He is a Senior Fellow and Chair of the Forum for Intellectual Property at the Hudson Institute, a Visiting Intellectual Property Fellow at the Heritage Foundation, and a member of the Board of Directors of the Center for Intellectual Property Understanding. He is a member of the Intellectual Property Rights Policy Committee of ANSI and he has served as Chair and Vice-Chair of the Intellectual Property Committee of the IEEE-USA, on which he remains a member in good standing.
Partner, Steptoe LLP
Shannen W. Coffin is a partner in Steptoe’s Washington office, where co-chairs the firm’s appellate practice and is a member of the regulatory litigation practice group. He frequently represents clients in trial and appellate courts in matters involving constitutional and administrative law challenges to state and federal government regulatory action.
Mr. Coffin previously served as a senior lawyer in the Executive Branch. He was Counsel to Vice President Cheney in the Office of the Vice President of the United States, where, among other things, he served on the White House’s judicial selection committee. Before that, Mr. Coffin served as Deputy Assistant Attorney General in the US Justice Department’s Civil Division, where he was responsible for overseeing and coordinating trial litigation on behalf of the federal government for constitutional challenges to federal statutes, statutory and constitutional challenges to agency programs, and defense of national security and anti-terrorism programs.
CEO, Pebble Partnership
Tom Collier leads the Pebble Partnership as its CEO. Mr. Collier is the former U.S. Department of the Interior chief of staff during the Clinton administration. He holds extensive experience in navigating the federal environmental permitting process. Prior to joining the Partnership in 2014, Mr. Collier spent 40 years serving as a partner for the law firm Steptoe & Johnson in Washington, D.C. As a senior leader in environmental law and permitting, Mr. Collier has worked on Alaska related projects in his career including development of Alpine, CD-5, and the reauthorization of the Trans-Alaska Pipeline System.
Director, Center for Energy and Environment, Competitive Enterprise Institute
Myron Ebell is director of the Center for Energy and Environment at the Competitive Enterprise Institute. Ebell also chairs the Cooler Heads Coalition, which comprises representatives from more than two dozen non-profit organizations based in the United States and abroad that challenge global warming alarmism and oppose energy rationing policies.
Ebell has worked on energy and environment issues for more than two decades, spending more than 15 years at CEI researching and advocating for sensible energy policies that benefit everyone. Instead of policies that simply reacts to alarmism, Ebell advocates for climate policies that reflect the scientifically-supported view that affordable, plentiful, and reliable energy make the world safer, the environment more livable, and should be should be accessible to those who need it most.
Ebell's writings have appeared in a variety of publications, including the New York Post, Wall Street Journal, USA Today, Washington Post, Forbes, London’s Guardian, Standpoint Magazine, Riverside Press Enterprise, Philadelphia Inquirer, and Environmental Law Forum. He has appeared as a guest on numerous television shows, including the ABC Evening News, NBC Nightly News, PBS News Hour, BBC Newsnight, BBC World, CNBC, CNN, C-SPAN’s Washington Journal, MSNBC, ITN, Voice of America, Televisa, Sky TV, Al Jazeera, PBS’s NOW, Fox News's Special Report with Bret Baier, O'Reilly Factor, and Hannity and Colmes. He has spoken frequently on a variety of BBC radio news programs and on hundreds of radio talk shows.
Ebell holds a Bachelor of Arts from Colorado College and an Master of Science from the London School of Economics. He also did graduate work at the University of California at San Diego and at Peterhouse, Cambridge University.
President, Center for Climate and Energy Solutions
Robert Perciasepe serves as president of the nonprofit Center for Climate and Energy Solutions. He served as the Deputy Administrator of the U.S. Environmental Protection Agency during the administration of Barack Obama. Prior to joining the Obama administration, Perciasepe was Chief Operating Officer for the environmental conservation non-profit National Audubon Society. Before that, he served in the administration of President Bill Clinton as the EPA's Assistant Administrator for clean water and then later as the Assistant Administrator for clean air.
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