Director of Law & Policy, Environmental Integrity Project
Following Princeton and the University of Chicago Law School, David began practicing law at Paul, Weiss, Rifkind, Wharton & Garrison. Eventually tiring of litigation where the result was a wire transfer from Entity A to Entity B, in the early 1990’s David began his environmental law career at the Massachusetts Attorney General’s Office. Since then, he has litigated dozens of cases under all of the major environmental statutes including, as Sierra Club’s Chief Climate Counsel, initiating and managing Massachusetts v. EPA. Most recently, he has been busy challenging FERC’s permitting of natural gas pipelines and LNG export terminals. Apart from litigation, David has helped lead efforts on both greenhouse gas regulation and global warming legislation (and may be the only person ever invited to testify by both Barbara Boxer and James Inhofe).
He has drafted a range of federal climate legislation, advised states as to their greenhouse gas regulatory authority (and for many years has represented environmental groups defending state GHG regulations from dormant Commerce Clause challenges). David has designed and taught courses on “Environmental Litigation” at Georgetown University Law Center and “Environmental Law and Science” at the William and Mary Law School/Virginia Institute of Marine Science.
Judge, United States Court of Appeals, Sixth Circuit
John K. Bush is a Circuit Judge on the United States Court of Appeals for the Sixth Circuit. His chambers are in Louisville, Kentucky. Prior to joining the court, Judge Bush was a partner in the Louisville office of Bingham Greenebaum Doll LLP, where he also was co-chair of the firm’s litigation department. He began his legal practice in the Washington, D.C. office of Gibson Dunn & Crutcher LLP.
Judge Bush served as a law clerk for Judge J. Smith Henley of the United States Court of Appeals for the Eighth Circuit. He was graduated summa cum laude from Vanderbilt University in 1986, and cum laude from Harvard Law School in 1989.
United States Attorney, Eastern District of California
Mr. Grant was appointed by Attorney General Pam Bondi to serve as the United States Attorney for the Eastern District of California beginning on August 11, 2025. Pursuant to 28 U.S.C. § 546(d), he was further appointed by the district court effective December 9, 2025.
Mr. Grant is a veteran of the Department of Justice, having served twice in Washington, D.C.: from 1991 to 1993 as an Attorney-Adviser in the Office of Legal Counsel, and from 2017 to 2021 as a Deputy Assistant Attorney General in the Environment and Natural Resources Division (ENRD). During his tenure at ENRD, he supervised more than a hundred Department litigators advancing the interests of the United States and its agencies in both enforcement and defensive matters, both civil and criminal.
In addition to his service in the Department, Mr. Grant has decades of experience in private practice in Washington, D.C. and Sacramento. That experience includes arguments in the U.S. Supreme Court, the California Supreme Court, and numerous other federal and state courts.
Mr. Grant served as a law clerk to Chief Justice Warren E. Burger (retired) and Associate Justice Clarence Thomas during the Supreme Court’s October 1994 Term. Earlier he served as a law clerk to Judge Edith H. Jones of the U.S. Court of Appeals for the Fifth Circuit in Houston, Texas.
Mr. Grant grew up in Modesto, California and raised his family in Sacramento County. He attended the University of California, Berkeley, from which he earned a bachelor’s degree in economics (1986) and a law degree (1990).
Emeritus Dean and Professor of Law, Lewis & Clark Law School
Professor Huffman joined the law school faculty in 1973, was appointed Acting Dean in 1993 and Dean in 1994, and returned to full time teaching in 2006. Born in Fort Benton, Montana, Jim graduated from Montana State University, the Fletcher School of Law and Diplomacy at Tufts University, and the University of Chicago Law School. He has been a visiting professor at Auckland University in New Zealand, the University of Oregon, the University of Athens in Greece and Universidad Francisco Marroquin in Guatemala. He was also a fellow at the Humane Studies Institute and a Distinguished Bradley Scholar at the Heritage Foundation. Jim serves on the boards of the National Crime Victims Law Institute, the Foundation for Research on Economics and the Environment, the Classroom Law Project, and the Rocky Mountain Mineral Law Foundation. He is a member and former Chair of the Executive Committee of the Environment and Property Rights Practice Group of the Federalist Society. He is a member of the Montana Bar Association and is admitted to practice before the United States Court of Appeals for the Federal Circuit and the United States Supreme Court. He is the author of more than 100 articles and chapters on a wide array of legal topics.
Senior Fellow, Ave Maria School of Law and Host of the Four Boxes Diner Second Amendment Channel
Mark W. Smith is Visiting Fellow in Pharmaceutical Public Policy and Law in the Department of Pharmacology at the University of Oxford; Presidential Scholar and a Senior Fellow in Law and Public Policy at The King’s College; and Distinguished Scholar and Senior Fellow of Law and Public Policy at the Ave Maria School of Law.
He is a constitutional attorney and Host of the Four Boxes Diner YouTube channel—which provides scholarly and historical analyses of the Second Amendment. Mark is also a New York Times bestselling author.
Senior Director, Government Affairs, Consumer Technology Association
Jamie Boone is the senior director of government affairs for the Consumer Technology Association, serving as an advocate for the consumer technology industry on Capitol Hill. Her core areas of policy expertise include self-driving vehicles and vehicle technology, privacy, and drones. She is a passionate thought leader on public policy for automated and connected vehicles, and has spoken at CES, SXSW, and on various policy panels across the DC area. Jamie is an experienced legislative and policy professional, having previously served as a longtime aide for Congressman Bill Shuster, last acting as his deputy chief of staff. She serves on the Board of Directors for the Women’s High Tech Coalition. Jamie earned a Bachelor of Arts from Susquehanna University in Pennsylvania before moving to Washington, D.C., where she currently lives with her husband.
Co-Director, IBM PolicyLab
Ryan Hagemann is a Technology Policy Executive at IBM. He was previously a senior policy fellow at the International Center for Law & Economics. Before joining the International Center for Law & Economics, he was a senior fellow at the Niskanen Center, where he also served as the senior director for policy and director of technology policy. His policy expertise focuses on regulatory governance of emerging technologies, as well as a broader research portfolio that includes genetic modification and regenerative medicine, bioengineering and healthcare IT, artificial intelligence, autonomous vehicles, commercial drones, the Internet of Things, and other issues at the intersection of technology, regulation, and the digital economy. His work on “soft law” governance systems, autonomous vehicles, and commercial drones has been featured in numerous academic journals, and his research and comments have been cited by The New York Times, MIT Technology Review, and The Atlantic, among other outlets. He has been published in The Wall Street Journal, Wired, National Review, The Washington Examiner, U.S. News & World Report, The Hill, and elsewhere.
Ryan graduated from Boston University with a B.A. in international relations, foreign policy, and security studies and holds a Master of Public Policy in science and technology policy from George Mason University.
Director of Law & Policy, Environmental Integrity Project
Following Princeton and the University of Chicago Law School, David began practicing law at Paul, Weiss, Rifkind, Wharton & Garrison. Eventually tiring of litigation where the result was a wire transfer from Entity A to Entity B, in the early 1990’s David began his environmental law career at the Massachusetts Attorney General’s Office. Since then, he has litigated dozens of cases under all of the major environmental statutes including, as Sierra Club’s Chief Climate Counsel, initiating and managing Massachusetts v. EPA. Most recently, he has been busy challenging FERC’s permitting of natural gas pipelines and LNG export terminals. Apart from litigation, David has helped lead efforts on both greenhouse gas regulation and global warming legislation (and may be the only person ever invited to testify by both Barbara Boxer and James Inhofe).
He has drafted a range of federal climate legislation, advised states as to their greenhouse gas regulatory authority (and for many years has represented environmental groups defending state GHG regulations from dormant Commerce Clause challenges). David has designed and taught courses on “Environmental Litigation” at Georgetown University Law Center and “Environmental Law and Science” at the William and Mary Law School/Virginia Institute of Marine Science.
Judge, United States Court of Appeals, Sixth Circuit
John K. Bush is a Circuit Judge on the United States Court of Appeals for the Sixth Circuit. His chambers are in Louisville, Kentucky. Prior to joining the court, Judge Bush was a partner in the Louisville office of Bingham Greenebaum Doll LLP, where he also was co-chair of the firm’s litigation department. He began his legal practice in the Washington, D.C. office of Gibson Dunn & Crutcher LLP.
Judge Bush served as a law clerk for Judge J. Smith Henley of the United States Court of Appeals for the Eighth Circuit. He was graduated summa cum laude from Vanderbilt University in 1986, and cum laude from Harvard Law School in 1989.
United States Attorney, Eastern District of California
Mr. Grant was appointed by Attorney General Pam Bondi to serve as the United States Attorney for the Eastern District of California beginning on August 11, 2025. Pursuant to 28 U.S.C. § 546(d), he was further appointed by the district court effective December 9, 2025.
Mr. Grant is a veteran of the Department of Justice, having served twice in Washington, D.C.: from 1991 to 1993 as an Attorney-Adviser in the Office of Legal Counsel, and from 2017 to 2021 as a Deputy Assistant Attorney General in the Environment and Natural Resources Division (ENRD). During his tenure at ENRD, he supervised more than a hundred Department litigators advancing the interests of the United States and its agencies in both enforcement and defensive matters, both civil and criminal.
In addition to his service in the Department, Mr. Grant has decades of experience in private practice in Washington, D.C. and Sacramento. That experience includes arguments in the U.S. Supreme Court, the California Supreme Court, and numerous other federal and state courts.
Mr. Grant served as a law clerk to Chief Justice Warren E. Burger (retired) and Associate Justice Clarence Thomas during the Supreme Court’s October 1994 Term. Earlier he served as a law clerk to Judge Edith H. Jones of the U.S. Court of Appeals for the Fifth Circuit in Houston, Texas.
Mr. Grant grew up in Modesto, California and raised his family in Sacramento County. He attended the University of California, Berkeley, from which he earned a bachelor’s degree in economics (1986) and a law degree (1990).
Emeritus Dean and Professor of Law, Lewis & Clark Law School
Professor Huffman joined the law school faculty in 1973, was appointed Acting Dean in 1993 and Dean in 1994, and returned to full time teaching in 2006. Born in Fort Benton, Montana, Jim graduated from Montana State University, the Fletcher School of Law and Diplomacy at Tufts University, and the University of Chicago Law School. He has been a visiting professor at Auckland University in New Zealand, the University of Oregon, the University of Athens in Greece and Universidad Francisco Marroquin in Guatemala. He was also a fellow at the Humane Studies Institute and a Distinguished Bradley Scholar at the Heritage Foundation. Jim serves on the boards of the National Crime Victims Law Institute, the Foundation for Research on Economics and the Environment, the Classroom Law Project, and the Rocky Mountain Mineral Law Foundation. He is a member and former Chair of the Executive Committee of the Environment and Property Rights Practice Group of the Federalist Society. He is a member of the Montana Bar Association and is admitted to practice before the United States Court of Appeals for the Federal Circuit and the United States Supreme Court. He is the author of more than 100 articles and chapters on a wide array of legal topics.
Senior Fellow, Ave Maria School of Law and Host of the Four Boxes Diner Second Amendment Channel
Mark W. Smith is Visiting Fellow in Pharmaceutical Public Policy and Law in the Department of Pharmacology at the University of Oxford; Presidential Scholar and a Senior Fellow in Law and Public Policy at The King’s College; and Distinguished Scholar and Senior Fellow of Law and Public Policy at the Ave Maria School of Law.
He is a constitutional attorney and Host of the Four Boxes Diner YouTube channel—which provides scholarly and historical analyses of the Second Amendment. Mark is also a New York Times bestselling author.
Director of Law & Policy, Environmental Integrity Project
Following Princeton and the University of Chicago Law School, David began practicing law at Paul, Weiss, Rifkind, Wharton & Garrison. Eventually tiring of litigation where the result was a wire transfer from Entity A to Entity B, in the early 1990’s David began his environmental law career at the Massachusetts Attorney General’s Office. Since then, he has litigated dozens of cases under all of the major environmental statutes including, as Sierra Club’s Chief Climate Counsel, initiating and managing Massachusetts v. EPA. Most recently, he has been busy challenging FERC’s permitting of natural gas pipelines and LNG export terminals. Apart from litigation, David has helped lead efforts on both greenhouse gas regulation and global warming legislation (and may be the only person ever invited to testify by both Barbara Boxer and James Inhofe).
He has drafted a range of federal climate legislation, advised states as to their greenhouse gas regulatory authority (and for many years has represented environmental groups defending state GHG regulations from dormant Commerce Clause challenges). David has designed and taught courses on “Environmental Litigation” at Georgetown University Law Center and “Environmental Law and Science” at the William and Mary Law School/Virginia Institute of Marine Science.
Judge, United States Court of Appeals, Sixth Circuit
John K. Bush is a Circuit Judge on the United States Court of Appeals for the Sixth Circuit. His chambers are in Louisville, Kentucky. Prior to joining the court, Judge Bush was a partner in the Louisville office of Bingham Greenebaum Doll LLP, where he also was co-chair of the firm’s litigation department. He began his legal practice in the Washington, D.C. office of Gibson Dunn & Crutcher LLP.
Judge Bush served as a law clerk for Judge J. Smith Henley of the United States Court of Appeals for the Eighth Circuit. He was graduated summa cum laude from Vanderbilt University in 1986, and cum laude from Harvard Law School in 1989.
United States Attorney, Eastern District of California
Mr. Grant was appointed by Attorney General Pam Bondi to serve as the United States Attorney for the Eastern District of California beginning on August 11, 2025. Pursuant to 28 U.S.C. § 546(d), he was further appointed by the district court effective December 9, 2025.
Mr. Grant is a veteran of the Department of Justice, having served twice in Washington, D.C.: from 1991 to 1993 as an Attorney-Adviser in the Office of Legal Counsel, and from 2017 to 2021 as a Deputy Assistant Attorney General in the Environment and Natural Resources Division (ENRD). During his tenure at ENRD, he supervised more than a hundred Department litigators advancing the interests of the United States and its agencies in both enforcement and defensive matters, both civil and criminal.
In addition to his service in the Department, Mr. Grant has decades of experience in private practice in Washington, D.C. and Sacramento. That experience includes arguments in the U.S. Supreme Court, the California Supreme Court, and numerous other federal and state courts.
Mr. Grant served as a law clerk to Chief Justice Warren E. Burger (retired) and Associate Justice Clarence Thomas during the Supreme Court’s October 1994 Term. Earlier he served as a law clerk to Judge Edith H. Jones of the U.S. Court of Appeals for the Fifth Circuit in Houston, Texas.
Mr. Grant grew up in Modesto, California and raised his family in Sacramento County. He attended the University of California, Berkeley, from which he earned a bachelor’s degree in economics (1986) and a law degree (1990).
Emeritus Dean and Professor of Law, Lewis & Clark Law School
Professor Huffman joined the law school faculty in 1973, was appointed Acting Dean in 1993 and Dean in 1994, and returned to full time teaching in 2006. Born in Fort Benton, Montana, Jim graduated from Montana State University, the Fletcher School of Law and Diplomacy at Tufts University, and the University of Chicago Law School. He has been a visiting professor at Auckland University in New Zealand, the University of Oregon, the University of Athens in Greece and Universidad Francisco Marroquin in Guatemala. He was also a fellow at the Humane Studies Institute and a Distinguished Bradley Scholar at the Heritage Foundation. Jim serves on the boards of the National Crime Victims Law Institute, the Foundation for Research on Economics and the Environment, the Classroom Law Project, and the Rocky Mountain Mineral Law Foundation. He is a member and former Chair of the Executive Committee of the Environment and Property Rights Practice Group of the Federalist Society. He is a member of the Montana Bar Association and is admitted to practice before the United States Court of Appeals for the Federal Circuit and the United States Supreme Court. He is the author of more than 100 articles and chapters on a wide array of legal topics.
Senior Fellow, Ave Maria School of Law and Host of the Four Boxes Diner Second Amendment Channel
Mark W. Smith is Visiting Fellow in Pharmaceutical Public Policy and Law in the Department of Pharmacology at the University of Oxford; Presidential Scholar and a Senior Fellow in Law and Public Policy at The King’s College; and Distinguished Scholar and Senior Fellow of Law and Public Policy at the Ave Maria School of Law.
He is a constitutional attorney and Host of the Four Boxes Diner YouTube channel—which provides scholarly and historical analyses of the Second Amendment. Mark is also a New York Times bestselling author.
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