Solicitor General of Oklahoma
Mithun Mansinghani serves as Solicitor General for the State of Oklahoma. He was appointed by Attorney General Mike Hunter in 2017 after serving for the prior two years as Deputy Solicitor General. As Solicitor General, Mr. Mansinghani leads litigation on behalf of the State in appeals, constitutional matters, and relations with the federal government and other states. This includes representing the State in cases before the Oklahoma Supreme Court and the U.S. Supreme Court.
Prior to joining the Oklahoma Attorney General's Office, Mr. Mansinghani was a lawyer for Gibson, Dunn & Crutcher in Washington, D.C., specializing in appeals and administrative law cases. Mr. Mansinghani also served as a law clerk to the Honorable Jerry E. Smith on the United States Court of Appeals for the Fifth Circuit. He received his bachelor's degree magna cum laude in both political science and policy studies from Rice University and his law degree with honors from Harvard Law School, where he served as editor of the Harvard Law Review.
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.
Solicitor General of Oklahoma
Mithun Mansinghani serves as Solicitor General for the State of Oklahoma. He was appointed by Attorney General Mike Hunter in 2017 after serving for the prior two years as Deputy Solicitor General. As Solicitor General, Mr. Mansinghani leads litigation on behalf of the State in appeals, constitutional matters, and relations with the federal government and other states. This includes representing the State in cases before the Oklahoma Supreme Court and the U.S. Supreme Court.
Prior to joining the Oklahoma Attorney General's Office, Mr. Mansinghani was a lawyer for Gibson, Dunn & Crutcher in Washington, D.C., specializing in appeals and administrative law cases. Mr. Mansinghani also served as a law clerk to the Honorable Jerry E. Smith on the United States Court of Appeals for the Fifth Circuit. He received his bachelor's degree magna cum laude in both political science and policy studies from Rice University and his law degree with honors from Harvard Law School, where he served as editor of the Harvard Law Review.
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.
United States Senator from Oklahoma
Senator Lankford of Oklahoma served four years in the U.S. House of Representatives and was elected to the U.S. Senate to complete an unexpired term on November 4, 2014 and re-elected to a full six-year senate term on November 8, 2016.
As chairman of the Senate Subcommittee on Regulatory Affairs and Federal Management, Lankford fights unnecessary and burdensome regulation and advocates for a more restrained federal government.
Personal faith, local decision-making, and opportunity for every person, regardless of their background, are core values for Senator Lankford. Before his time in Congress, from 1995 to 2009, the Senator served as Director of Student Ministry at the Baptist Convention of Oklahoma and Director of the Falls Creek Youth Camp, the largest youth camp in the United States, with more than 51,000 individuals attending each summer.
Committee Assignments:
Senior Counsel for Environmental and Regulatory Affairs, Boeing
Adam Gustafson is a Senior Counsel for Environmental and Regulatory Affairs at Boeing.
Prior to joining Boeing, he served as Deputy General Counsel at the Environmental Protection Agency. Prior to that, he was a partner at Boyden Gray & Associates, where he represented States, federal judges, environmental groups, biofuel producers, agricultural interests, and public policy organizations, on such issues as the constitutional separation of powers, the First Amendment, automotive regulations, environmental computer models, healthcare regulation, and judicial deference to federal agencies.
Mr. Gustafson received his J.D. in 2009 from Yale Law School, where he was an editor of the Yale Law Journal, a managing editor of the Yale Journal of Law & the Humanities, and an executive editor of the symposium issue of the Harvard Journal of Law & Public Policy.
Mr. Gustafson served as a Vice President of the Yale Law School Federalist Society. He was a Coker Fellow, and his legal writing won the Joseph A. Chubb Competition Prize and the Edward D. Robbins Memorial Prize.
Mr. Gustafson graduated with high distinction in 2005 from the University of Virginia, where he was an Echols Scholar, a member of the Raven Society, a member of the rowing team, and a Lawn resident.
Before joining Boyden Gray & Associates, Mr. Gustafson was an associate at Cooper & Kirk, where he specialized in appellate litigation. Mr. Gustafson served as a law clerk to Judge Richard R. Clifton of the U.S. Court of Appeals for the Ninth Circuit, and to Judge Janice Rogers Brown of the U.S. Court of Appeals for the D.C. Circuit.
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.
Director, Clean Air Project, Climate & Clean Air Program, Natural Resources Defense Council
John Walke has spearheaded the NRDC’s national clean-air advocacy before Congress, in the courts, at the U.S. Environmental Protection Agency, and before the public since 2000. Before joining NRDC, he spent three years working as an attorney in the EPA’s Office of General Counsel, where he handled cases related to permitting, air toxins, monitoring, and enforcement under the Clean Air Act. Prior to that, he was an associate in a private law firm based in Washington, D.C. Walke is a graduate of Duke University and Harvard Law School. He is based in Washington, D.C.
United States Senator from Oklahoma
Senator Lankford of Oklahoma served four years in the U.S. House of Representatives and was elected to the U.S. Senate to complete an unexpired term on November 4, 2014 and re-elected to a full six-year senate term on November 8, 2016.
As chairman of the Senate Subcommittee on Regulatory Affairs and Federal Management, Lankford fights unnecessary and burdensome regulation and advocates for a more restrained federal government.
Personal faith, local decision-making, and opportunity for every person, regardless of their background, are core values for Senator Lankford. Before his time in Congress, from 1995 to 2009, the Senator served as Director of Student Ministry at the Baptist Convention of Oklahoma and Director of the Falls Creek Youth Camp, the largest youth camp in the United States, with more than 51,000 individuals attending each summer.
Committee Assignments:
President, Ira Shapiro Global Strategies, LLC
Ira Shapiro is the President of Ira Shapiro Global Strategies, LLC, a consulting firm specializing in international trade, U.S.-Japan relations, and American politics, which he founded in 2014. He brings to the firm 40 years of experience in senior staff positions in the U.S. Senate, the Clinton administration, and private law practice. He is also the author of the critically acclaimed book, The Last Great Senate: Courage and Statesmanship in Times of Crisis, published in 2012.
Mr. Shapiro came to Washington, D.C., in October 1975, to work as Legislative Legal Counsel to Senator Gaylord Nelson (D.-Wisconsin), probably the greatest environmentalist ever to serve in the Senate. In his 12 years working in the Senate, Mr. Shapiro also worked for other Senators. He served as Minority Staff Director to the Governmental Affairs Committee, Staff Director and Chief Counsel to the special Senate Committee on Official Conduct, counsel to Senator Majority Leader Robert Byrd, and the first chief of staff for Jay Rockefeller.
During the deep recession of the early 1980’s, Mr. Shapiro began to focus on America’s position in international trade. He became one of a handful of Senate staffers seeking to define a new U.S. trade and competitiveness policy, working closely with leaders in business, labor, and academia concerned about the same issues. When Bill Clinton became president, Mr. Shapiro became General Counsel to United States Trade Representative Mickey Kantor in February 1993. As General Counsel, he played a central role in the negotiation and legislative approval of the North American Free Trade Agreement (NAFTA) and the multilateral Uruguay Round that created the World Trade Organization and the current trade rules.
In 1995, President Clinton nominated Mr. Shapiro for Ambassadorial rank, which the Senate rapidly and unanimously approved. Ambassador Shapiro served as the principal U.S. trade negotiator with Japan and Canada, helping to successfully resolve some of the most contentious bilateral disputes with America’s two leading trading partners: autos and auto parts, semiconductors and insurance with Japan, and softwood lumber with Canada.
Mr. Shapiro has experience in dealing with the European Union, Canada, Mexico and China, but he has focused particularly on Japan, and U.S-Japan relations. He has 30 years of extensive and diverse experience in dealing with the Japanese government and business community. He first worked with Japan as Chief of Staff to Senator Rockefeller and played a key role in the efforts to save Wheeling Pittsburgh Steel through a joint venture with Nisshin Steel of Japan. After his work in the Clinton administration, as many other trade lawyers and consultants shifted their focus to China, Mr. Shapiro continued to concentrate his work on U.S.-Japan relations. In September 2012, Mr. Shapiro became the Chairman of the National Association of Japan-America Societies (NAJAS), the Washington-based organization that supports the activities of 36 Japan-America Societies around the country. As Chairman, he speaks frequently about U.S.-Japan relations and the importance of the Trans-Pacific Partnership (TPP) negotiations, appearing in Dallas-Ft. Worth, Atlanta, Houston, Philadelphia, San Diego, Cincinnati, Chicago, Denver, Seattle and San Francisco. On December 10, 2015, during a celebration of the 70th anniversary of the end of the War, Japanese Ambassador to the U.S., Ken-Ichiro Sasae, gave Mr. Shapiro the Foreign Minister’s Commendation, an award from the Japanese Ministry of Foreign Affairs in recognition of his outstanding achievements in promoting friendship between Japan and the United States.
Mr. Shapiro is well known in Tokyo, where he has spoken regularly and been received considerable press coverage. In February 2014, he came to Tokyo at the invitation of the Japan External Trade Organization (JETRO), and spoke to several leading business organizations, including Keidanren, the Japan Electronics Association (JEITA), and the Japan Foreign Trade Council. In September 2013, his remarks at the Japan National Press Club attracted 45 reporters. Mr. Shapiro’s interviews have appeared in Asahi Shimbun, Japan Times, Nikkei, and on NHK, where Tokyo’s best known interviewer, Kaori Iida, interviewed him for 30 minutes.
Mr. Shapiro has considerable experience working at the intersection of trade and health. From 2001-2003, representing the Campaign for Tobacco Free Kids, he played a prominent role in the negotiation of the Framework Convention on Tobacco Control (FCTC), the first global treaty negotiated under the auspices of the World Health Organization. He authored an article contending that cigarettes should be treated as an exception to the normal trade rules, because of their lethal nature. Most recently, Mr. Shapiro served on a Council on Foreign Relations task force studying the spread of non-communicable diseases in the developing world.
Since leaving government, Mr. Shapiro has practiced international trade law in Washington, D.C., and been a partner in several major law firms, most recently Greenberg Traurig, LLP. In August 2015, while continuing his own law work, he became a Senior Advisor to the Albright Stonebridge Group (ASG), a premier consulting firm with tremendous global reach co-chaired by Madeleine Albright, Sandy Berger and Carlos Gutierrez. He has specialized in WTO disputes, and played an important role in the landmark cases brought by the United States against China for copyright piracy, representing the motion picture, recording and publishing industries.
Mr. Shapiro has a long history of deep involvement in Democratic presidential campaigns, and was part of the legal teams that helped Bill Clinton and Al Gore make their vice presidential choices. Mr. Shapiro ran an unsuccessful, but widely admired, race for Congress in Maryland in 2002. A local newspaper described his campaign as the “antidote to cynicism that he promised to deliver.”
He writes and speaks frequently about U.S. politics, and particularly the U.S. Senate. After the publication of his book in 2012, Mr. Shapiro spoke in 19 states, including appearances at four Presidential Libraries (Kennedy, Ford, Carter and Clinton). His articles have been published in the New York Times, Bloomberg Review, ccn.com, and local newspapers in Seattle, Detroit, and Portland, Maine.
Mr. Shapiro graduated from Brandeis University, magna cum laude with honors in politics, in 1969, received his Master’s degree in political science from the University of California at Berkeley in 1970, and his law degree from the University of Pennsylvania in 1973. Before coming to Washington to work in the Senate, Mr. Shapiro clerked for a federal district judge in Philadelphia and practiced law in Chicago.
United States Senator from Oklahoma
Senator Lankford of Oklahoma served four years in the U.S. House of Representatives and was elected to the U.S. Senate to complete an unexpired term on November 4, 2014 and re-elected to a full six-year senate term on November 8, 2016.
As chairman of the Senate Subcommittee on Regulatory Affairs and Federal Management, Lankford fights unnecessary and burdensome regulation and advocates for a more restrained federal government.
Personal faith, local decision-making, and opportunity for every person, regardless of their background, are core values for Senator Lankford. Before his time in Congress, from 1995 to 2009, the Senator served as Director of Student Ministry at the Baptist Convention of Oklahoma and Director of the Falls Creek Youth Camp, the largest youth camp in the United States, with more than 51,000 individuals attending each summer.
Committee Assignments:
United States Senator from Oklahoma
Senator Lankford of Oklahoma served four years in the U.S. House of Representatives and was elected to the U.S. Senate to complete an unexpired term on November 4, 2014 and re-elected to a full six-year senate term on November 8, 2016.
As chairman of the Senate Subcommittee on Regulatory Affairs and Federal Management, Lankford fights unnecessary and burdensome regulation and advocates for a more restrained federal government.
Personal faith, local decision-making, and opportunity for every person, regardless of their background, are core values for Senator Lankford. Before his time in Congress, from 1995 to 2009, the Senator served as Director of Student Ministry at the Baptist Convention of Oklahoma and Director of the Falls Creek Youth Camp, the largest youth camp in the United States, with more than 51,000 individuals attending each summer.
Committee Assignments:
Senior Counsel for Environmental and Regulatory Affairs, Boeing
Adam Gustafson is a Senior Counsel for Environmental and Regulatory Affairs at Boeing.
Prior to joining Boeing, he served as Deputy General Counsel at the Environmental Protection Agency. Prior to that, he was a partner at Boyden Gray & Associates, where he represented States, federal judges, environmental groups, biofuel producers, agricultural interests, and public policy organizations, on such issues as the constitutional separation of powers, the First Amendment, automotive regulations, environmental computer models, healthcare regulation, and judicial deference to federal agencies.
Mr. Gustafson received his J.D. in 2009 from Yale Law School, where he was an editor of the Yale Law Journal, a managing editor of the Yale Journal of Law & the Humanities, and an executive editor of the symposium issue of the Harvard Journal of Law & Public Policy.
Mr. Gustafson served as a Vice President of the Yale Law School Federalist Society. He was a Coker Fellow, and his legal writing won the Joseph A. Chubb Competition Prize and the Edward D. Robbins Memorial Prize.
Mr. Gustafson graduated with high distinction in 2005 from the University of Virginia, where he was an Echols Scholar, a member of the Raven Society, a member of the rowing team, and a Lawn resident.
Before joining Boyden Gray & Associates, Mr. Gustafson was an associate at Cooper & Kirk, where he specialized in appellate litigation. Mr. Gustafson served as a law clerk to Judge Richard R. Clifton of the U.S. Court of Appeals for the Ninth Circuit, and to Judge Janice Rogers Brown of the U.S. Court of Appeals for the D.C. Circuit.
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.
Director, Clean Air Project, Climate & Clean Air Program, Natural Resources Defense Council
John Walke has spearheaded the NRDC’s national clean-air advocacy before Congress, in the courts, at the U.S. Environmental Protection Agency, and before the public since 2000. Before joining NRDC, he spent three years working as an attorney in the EPA’s Office of General Counsel, where he handled cases related to permitting, air toxins, monitoring, and enforcement under the Clean Air Act. Prior to that, he was an associate in a private law firm based in Washington, D.C. Walke is a graduate of Duke University and Harvard Law School. He is based in Washington, D.C.
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