President, Harned Strategies LLC
Karen Harned is President at Harned Strategies LLC. Previously, she served as Executive Director of the National Federation of Independent Business Small Business Legal Center, a post she held from 2002-2022. Prior to joining the Legal Center, Ms. Harned was an attorney at a Washington, D.C. law firm specializing in food and drug law, where she represented several small and large businesses and their respective trade associations before Congress and federal agencies. She also served as Assistant Press Secretary to U.S. Senator Don Nickles of Oklahoma from August of 1989 to March of 1993. Ms. Harned received her B.A. from the University of Oklahoma in 1989 and her J.D. from The George Washington University National Law Center in 1995. She is admitted to practice in the District of Columbia.
As Executive Director of the NFIB Small Business Legal Center, Ms. Harned commented regularly on small business cases before federal and state courts, as well as the U.S. Supreme Court. She has appeared on Fox News, Fox Business, NBC Nightly News, CNN, CNBC and MSNBC, as well as National Public Radio, CBS Radio, and radio outlets across the country. Her opinion editorials and articles regarding healthcare, lawsuit abuse, regulation, and other issues important to small business have been published in newspapers and other publications nationwide.
Ms. Harned has testified before Congress on the small business impact of regulation and the civil justice system. Additionally, she has conducted numerous webinars and legal compliance seminars for small business owners across the country on issues relating to employment law, including unionization and immigration.
Deputy Secretary of Agriculture, U.S. Department of Agriculture
Judge Stephen Alexander Vaden was appointed as the Deputy Secretary of the U.S. Department of Agriculture on July 7, 2025. Alongside Secretary Brooke L. Rollins, Deputy Secretary Vaden leads the Department’s operations and implements policies that support America’s food and farm systems. A native of Union City, Tennessee, Deputy Secretary Vaden brings expertise in agricultural policy, law, and rural development. Previously, he served as a judge on the U.S. Court of International Trade and as General Counsel of USDA. Throughout Deputy Secretary Vaden’s time as General Counsel, he led successful Supreme Court litigation, advanced regulatory reform, and supported the implementation of the 2018 Farm Bill. He is a graduate of Yale Law School and Vanderbilt University. A public servant with strong agricultural roots, Deputy Secretary Vaden is committed to revitalizing rural America and ensuring an abundant, affordable, and safe U.S. food supply.
Andrew Varcoe was formerly a partner at Boyden Gray & Associates in Washington, D.C. From 2014 to 2017, Mr. Varcoe was Deputy General Counsel at the Biotechnology Innovation Organization (BIO), the trade association for the biotechnology industry. He previously served as an attorney in the Office of the General Counsel of the U.S. Department of Agriculture (USDA) in Washington, D.C., and Harrisburg, Pennsylvania. While at USDA, he briefed, argued, and mediated cases in the federal courts of appeals and helped manage USDA’s and its agencies’ nationwide appellate litigation docket, working closely with trial and appellate lawyers at the U.S. Department of Justice. Before joining USDA, Mr. Varcoe was an associate and then counsel at Wilmer Cutler Pickering Hale and Dorr LLP (previously Wilmer, Cutler & Pickering). Mr. Varcoe served as a law clerk to Justice Francis X. Spina of the Massachusetts Supreme Judicial Court (from 1999 to 2000), and to Judge Edith H. Jones of the U.S. Court of Appeals for the Fifth Circuit (from 2001 to 2002).
Mr. Varcoe received his J.D. cum laude in 1999 from Harvard Law School, where he was a research assistant to Professor Martha Minow and an editor of the Harvard Journal of Law & Public Policy. Mr. Varcoe graduated with honors in 1995 from the University of Chicago, where he was Student Ombudsperson (a mediator, reporting to the President of the University, who investigated and resolved student grievances) and a member of Phi Beta Kappa.
In 2018 and 2019, Mr. Varcoe served as Chairman of the Executive Committee of the Federalist Society’s Environmental Law and Property Rights Practice Group.
President, Harned Strategies LLC
Karen Harned is President at Harned Strategies LLC. Previously, she served as Executive Director of the National Federation of Independent Business Small Business Legal Center, a post she held from 2002-2022. Prior to joining the Legal Center, Ms. Harned was an attorney at a Washington, D.C. law firm specializing in food and drug law, where she represented several small and large businesses and their respective trade associations before Congress and federal agencies. She also served as Assistant Press Secretary to U.S. Senator Don Nickles of Oklahoma from August of 1989 to March of 1993. Ms. Harned received her B.A. from the University of Oklahoma in 1989 and her J.D. from The George Washington University National Law Center in 1995. She is admitted to practice in the District of Columbia.
As Executive Director of the NFIB Small Business Legal Center, Ms. Harned commented regularly on small business cases before federal and state courts, as well as the U.S. Supreme Court. She has appeared on Fox News, Fox Business, NBC Nightly News, CNN, CNBC and MSNBC, as well as National Public Radio, CBS Radio, and radio outlets across the country. Her opinion editorials and articles regarding healthcare, lawsuit abuse, regulation, and other issues important to small business have been published in newspapers and other publications nationwide.
Ms. Harned has testified before Congress on the small business impact of regulation and the civil justice system. Additionally, she has conducted numerous webinars and legal compliance seminars for small business owners across the country on issues relating to employment law, including unionization and immigration.
Deputy Secretary of Agriculture, U.S. Department of Agriculture
Judge Stephen Alexander Vaden was appointed as the Deputy Secretary of the U.S. Department of Agriculture on July 7, 2025. Alongside Secretary Brooke L. Rollins, Deputy Secretary Vaden leads the Department’s operations and implements policies that support America’s food and farm systems. A native of Union City, Tennessee, Deputy Secretary Vaden brings expertise in agricultural policy, law, and rural development. Previously, he served as a judge on the U.S. Court of International Trade and as General Counsel of USDA. Throughout Deputy Secretary Vaden’s time as General Counsel, he led successful Supreme Court litigation, advanced regulatory reform, and supported the implementation of the 2018 Farm Bill. He is a graduate of Yale Law School and Vanderbilt University. A public servant with strong agricultural roots, Deputy Secretary Vaden is committed to revitalizing rural America and ensuring an abundant, affordable, and safe U.S. food supply.
Andrew Varcoe was formerly a partner at Boyden Gray & Associates in Washington, D.C. From 2014 to 2017, Mr. Varcoe was Deputy General Counsel at the Biotechnology Innovation Organization (BIO), the trade association for the biotechnology industry. He previously served as an attorney in the Office of the General Counsel of the U.S. Department of Agriculture (USDA) in Washington, D.C., and Harrisburg, Pennsylvania. While at USDA, he briefed, argued, and mediated cases in the federal courts of appeals and helped manage USDA’s and its agencies’ nationwide appellate litigation docket, working closely with trial and appellate lawyers at the U.S. Department of Justice. Before joining USDA, Mr. Varcoe was an associate and then counsel at Wilmer Cutler Pickering Hale and Dorr LLP (previously Wilmer, Cutler & Pickering). Mr. Varcoe served as a law clerk to Justice Francis X. Spina of the Massachusetts Supreme Judicial Court (from 1999 to 2000), and to Judge Edith H. Jones of the U.S. Court of Appeals for the Fifth Circuit (from 2001 to 2002).
Mr. Varcoe received his J.D. cum laude in 1999 from Harvard Law School, where he was a research assistant to Professor Martha Minow and an editor of the Harvard Journal of Law & Public Policy. Mr. Varcoe graduated with honors in 1995 from the University of Chicago, where he was Student Ombudsperson (a mediator, reporting to the President of the University, who investigated and resolved student grievances) and a member of Phi Beta Kappa.
In 2018 and 2019, Mr. Varcoe served as Chairman of the Executive Committee of the Federalist Society’s Environmental Law and Property Rights Practice Group.
Professorial Lecturer in Law, George Washington University Law School
Theodore C. (Ted) Hirt was an attorney in the Department of Justice's Civil Division from August 1979 to March 2016. He was in its Federal Programs Branch from 1979 to 2008 (trial attorney, senior trial counsel, assistant director), and then in its Office of Immigration Litigation from 2008 to 2016 (trial attorney and senior litigation counsel). Among his responsibilities (September 2001 to March 2016) was being an advisor to the Assistant Attorneys General for the Civil Division, who serve ex officio on the Civil Rules Advisory Committee. Mr. Hirt’s areas of specialization include First Amendment issues, internet and telecommunications law, and electronic discovery. From 1976 to 1979, he was an associate at Fried, Frank, Harris, Shriver & Kampelman. From 1975 to 1976 he was an attorney in the Prehearing Division of the Michigan Court of Appeals.
President, Cass & Associates, PC
Ronald A. Cass is Dean Emeritus of Boston University School of Law (where he was Dean from 1990-2004), President of Cass & Associates, PC, former Vice-Chairman and Commissioner of the U.S. International Trade Commission, former faculty member at Boston University School of Law and the University of Virginia Law School, and Distinguished Senior Fellow at the C. Boyden Gray Center for the Study of the Administrative State. Dean Cass also sits as an arbitrator for commercial, international, and intellectual property rights disputes, and is a former United States member of the Panel of Conciliators of the International Centre for Settlement of Investment Disputes. He is a member of the Council of the Administrative Conference of the United States and has received seven presidential appointments, spanning Presidents Ronald Reagan to Donald J. Trump.
As a law professor, lecturer, and scholar, Dean Cass has been teaching and writing about a wide array of legal issues on topics such as administrative law and regulation, antitrust, constitutional law, communications, intellectual property, international trade, separation of powers, and legal process. He has published more than 160 scholarly books, chapters, articles, and papers, including a leading casebook on administrative law. Dean Cass has taught judges as well as students in schools of law, economics, business, and public policy and has held academic appointments in the United States, Europe, and Latin America.
In addition to his academic work, Dean Cass has participated in numerous important legal cases as an amicus, consultant, or expert, and has advised businesses, law firms, investment funds, and government agencies on a range of trade, antitrust, intellectual property, and regulatory issues. He has a broad range of affiliations with professional groups, and has received numerous honors, fellowships and awards.
Dean Cass is a graduate of the University of Virginia and the University of Chicago Law School.
Tazewell Taylor Professor of Law and William H. Cabell Research Professor, William & Mary Law School
Jonathan H. Adler joined the William & Mary law faculty as the Tazwell Taylor Professor of Law and William H. Cabell Research Professor in 2025. Prior to joining the faculty, he was the inaugural Johan Verheij Memorial Professor of Law and the founding Director of the Coleman P. Burke Center for Environmental Law at the Case Western Reserve University School of Law.
Professor Adler is the author or editor of seven books, including Climate Liberalism: Perspectives on Liberty, Property and Pollution (Palgrave, 2023), Marijuana Federalism: Uncle Sam and Mary Jane (Brookings Institution Press, 2020), Business and the Roberts Court (Oxford University Press, 2016) and Rebuilding the Ark: New Perspectives on Endangered Species Act Reform (AEI Press, 2011).
His articles have appeared in publications ranging from the Harvard Environmental Law Review and Yale Journal on Regulation to the Wall Street Journal, New York Times, and Washington Post. He has testified before Congress a dozen times, and his work has been cited in the U.S. Supreme Court. A 2024 study identified Professor Adler as the seventh most cited legal academic in administrative and environmental law from 2019 to 2023.
Professor Adler is a contributing editor to Civitas Outlook and a regular contributor to the popular legal blog, The Volokh Conspiracy. A regular commentator on constitutional and regulatory issues, he has appeared on numerous radio and television programs, ranging from the PBS Newshour and National Public Radio to the Fox News Channel and Entertainment Tonight.
Professor Adler is a senior fellow at the Property & Environment Research Center in Bozeman, Montana. In 2018, Professor Adler was elected to membership in the American Law Institute and helped co-found the organization Checks and Balances. In 2024, Professor Adler was appointed a public member of the Administrative Conference of the United States.
Professor Adler clerked for the Honorable David B. Sentelle on the U.S. Court of Appeals for the District of Columbia Circuit.
Partner, Mayer Brown LLP
An experienced appellate lawyer, Tim Bishop has argued five cases and briefed more than 60 before the US Supreme Court and has successfully handled dozens of appeals in federal and state appellate courts. He also represents clients in dispositive dismissal, summary judgment, and class certification motions in federal and state trial courts. Tim is co-author of the leading treatise, Supreme Court Practice(9th ed., 2007), a contributor to Federal Appellate Practice (2008), and a prolific author and speaker in the areas of appellate practice, environmental law, and securities law.
Tim has substantial experience in environmental and land use litigation (especially under the Clean Water Act, Endangered Species Act, Clean Air Act, federal and state Takings Clauses, and nuisance law), securities and antitrust litigation, class certification, federal and state tax controversies, labor and employment law, and constitutional appeals and litigation. In the securities area, he has submitted successful party or amicus briefs in most of the Supreme Court’s recent cases, including Dabit, Dura, Tellabs, Billing, Stoneridge, andAmchem, as well as in leading lower-court cases such as In re IPO Securities Litigation and Newton. He has broad experience in defeating class certification in complex litigation.
In the environmental law area Tim has been ranked as a top practitioner by Chambers, Best Lawyers in America, Euromoney's Best of the Best USA, and other publications, which have called him "the go-to guy if you have a serious environmental issue on appeal - he is excellent at spotting issues and is a great appellate advocate" (Chambers 2009). Tim is ranked Band 1 in Chambers USA 2012 in Environmental Law ("sources unanimously consider Bishop to be an exceptionally strong appellate lawyer") and Legal 500 2012 comments, "Bishop is 'superb and provides exemplary service.'" Tim successfully argued Solid Waste Agency of Northern Cook County in the Supreme Court, in which the Court struck down the Corps of Engineer’s "migratory bird rule." One leading environmental law professor and practitioner has written that Tim is "industry’s leading Supreme Court lawyer in environmental cases."
Since 1995, Tim has been a partner in Mayer Brown LLP’s 60-strong Supreme Court and Appellate Litigation Practice (which "stands head and shoulders above its competitors," according to Chambers USA 2008). Previously, he served as Law Clerk to US Supreme Court Justice William J. Brennan, Jr., and to Judge James L. Oakes, US Court of Appeals for the Second Circuit, and was Staff Counsel and Skadden Fellow with the American Civil Liberties Union. Recently, Tim was named one of Benchmark’s 2013 Appellate Illinois Litigation Stars.Chambers USA (2007) notes Tim’s “high visibility” and “incredible reputation for appellate law,” and he has been described in theLawdragon 500 as "a high court superstar" and a "top advocate" (2006).
President, Harned Strategies LLC
Karen Harned is President at Harned Strategies LLC. Previously, she served as Executive Director of the National Federation of Independent Business Small Business Legal Center, a post she held from 2002-2022. Prior to joining the Legal Center, Ms. Harned was an attorney at a Washington, D.C. law firm specializing in food and drug law, where she represented several small and large businesses and their respective trade associations before Congress and federal agencies. She also served as Assistant Press Secretary to U.S. Senator Don Nickles of Oklahoma from August of 1989 to March of 1993. Ms. Harned received her B.A. from the University of Oklahoma in 1989 and her J.D. from The George Washington University National Law Center in 1995. She is admitted to practice in the District of Columbia.
As Executive Director of the NFIB Small Business Legal Center, Ms. Harned commented regularly on small business cases before federal and state courts, as well as the U.S. Supreme Court. She has appeared on Fox News, Fox Business, NBC Nightly News, CNN, CNBC and MSNBC, as well as National Public Radio, CBS Radio, and radio outlets across the country. Her opinion editorials and articles regarding healthcare, lawsuit abuse, regulation, and other issues important to small business have been published in newspapers and other publications nationwide.
Ms. Harned has testified before Congress on the small business impact of regulation and the civil justice system. Additionally, she has conducted numerous webinars and legal compliance seminars for small business owners across the country on issues relating to employment law, including unionization and immigration.
Deputy Secretary of Agriculture, U.S. Department of Agriculture
Judge Stephen Alexander Vaden was appointed as the Deputy Secretary of the U.S. Department of Agriculture on July 7, 2025. Alongside Secretary Brooke L. Rollins, Deputy Secretary Vaden leads the Department’s operations and implements policies that support America’s food and farm systems. A native of Union City, Tennessee, Deputy Secretary Vaden brings expertise in agricultural policy, law, and rural development. Previously, he served as a judge on the U.S. Court of International Trade and as General Counsel of USDA. Throughout Deputy Secretary Vaden’s time as General Counsel, he led successful Supreme Court litigation, advanced regulatory reform, and supported the implementation of the 2018 Farm Bill. He is a graduate of Yale Law School and Vanderbilt University. A public servant with strong agricultural roots, Deputy Secretary Vaden is committed to revitalizing rural America and ensuring an abundant, affordable, and safe U.S. food supply.
Andrew Varcoe was formerly a partner at Boyden Gray & Associates in Washington, D.C. From 2014 to 2017, Mr. Varcoe was Deputy General Counsel at the Biotechnology Innovation Organization (BIO), the trade association for the biotechnology industry. He previously served as an attorney in the Office of the General Counsel of the U.S. Department of Agriculture (USDA) in Washington, D.C., and Harrisburg, Pennsylvania. While at USDA, he briefed, argued, and mediated cases in the federal courts of appeals and helped manage USDA’s and its agencies’ nationwide appellate litigation docket, working closely with trial and appellate lawyers at the U.S. Department of Justice. Before joining USDA, Mr. Varcoe was an associate and then counsel at Wilmer Cutler Pickering Hale and Dorr LLP (previously Wilmer, Cutler & Pickering). Mr. Varcoe served as a law clerk to Justice Francis X. Spina of the Massachusetts Supreme Judicial Court (from 1999 to 2000), and to Judge Edith H. Jones of the U.S. Court of Appeals for the Fifth Circuit (from 2001 to 2002).
Mr. Varcoe received his J.D. cum laude in 1999 from Harvard Law School, where he was a research assistant to Professor Martha Minow and an editor of the Harvard Journal of Law & Public Policy. Mr. Varcoe graduated with honors in 1995 from the University of Chicago, where he was Student Ombudsperson (a mediator, reporting to the President of the University, who investigated and resolved student grievances) and a member of Phi Beta Kappa.
In 2018 and 2019, Mr. Varcoe served as Chairman of the Executive Committee of the Federalist Society’s Environmental Law and Property Rights Practice Group.
Tazewell Taylor Professor of Law and William H. Cabell Research Professor, William & Mary Law School
Jonathan H. Adler joined the William & Mary law faculty as the Tazwell Taylor Professor of Law and William H. Cabell Research Professor in 2025. Prior to joining the faculty, he was the inaugural Johan Verheij Memorial Professor of Law and the founding Director of the Coleman P. Burke Center for Environmental Law at the Case Western Reserve University School of Law.
Professor Adler is the author or editor of seven books, including Climate Liberalism: Perspectives on Liberty, Property and Pollution (Palgrave, 2023), Marijuana Federalism: Uncle Sam and Mary Jane (Brookings Institution Press, 2020), Business and the Roberts Court (Oxford University Press, 2016) and Rebuilding the Ark: New Perspectives on Endangered Species Act Reform (AEI Press, 2011).
His articles have appeared in publications ranging from the Harvard Environmental Law Review and Yale Journal on Regulation to the Wall Street Journal, New York Times, and Washington Post. He has testified before Congress a dozen times, and his work has been cited in the U.S. Supreme Court. A 2024 study identified Professor Adler as the seventh most cited legal academic in administrative and environmental law from 2019 to 2023.
Professor Adler is a contributing editor to Civitas Outlook and a regular contributor to the popular legal blog, The Volokh Conspiracy. A regular commentator on constitutional and regulatory issues, he has appeared on numerous radio and television programs, ranging from the PBS Newshour and National Public Radio to the Fox News Channel and Entertainment Tonight.
Professor Adler is a senior fellow at the Property & Environment Research Center in Bozeman, Montana. In 2018, Professor Adler was elected to membership in the American Law Institute and helped co-found the organization Checks and Balances. In 2024, Professor Adler was appointed a public member of the Administrative Conference of the United States.
Professor Adler clerked for the Honorable David B. Sentelle on the U.S. Court of Appeals for the District of Columbia Circuit.
Partner, Mayer Brown LLP
An experienced appellate lawyer, Tim Bishop has argued five cases and briefed more than 60 before the US Supreme Court and has successfully handled dozens of appeals in federal and state appellate courts. He also represents clients in dispositive dismissal, summary judgment, and class certification motions in federal and state trial courts. Tim is co-author of the leading treatise, Supreme Court Practice(9th ed., 2007), a contributor to Federal Appellate Practice (2008), and a prolific author and speaker in the areas of appellate practice, environmental law, and securities law.
Tim has substantial experience in environmental and land use litigation (especially under the Clean Water Act, Endangered Species Act, Clean Air Act, federal and state Takings Clauses, and nuisance law), securities and antitrust litigation, class certification, federal and state tax controversies, labor and employment law, and constitutional appeals and litigation. In the securities area, he has submitted successful party or amicus briefs in most of the Supreme Court’s recent cases, including Dabit, Dura, Tellabs, Billing, Stoneridge, andAmchem, as well as in leading lower-court cases such as In re IPO Securities Litigation and Newton. He has broad experience in defeating class certification in complex litigation.
In the environmental law area Tim has been ranked as a top practitioner by Chambers, Best Lawyers in America, Euromoney's Best of the Best USA, and other publications, which have called him "the go-to guy if you have a serious environmental issue on appeal - he is excellent at spotting issues and is a great appellate advocate" (Chambers 2009). Tim is ranked Band 1 in Chambers USA 2012 in Environmental Law ("sources unanimously consider Bishop to be an exceptionally strong appellate lawyer") and Legal 500 2012 comments, "Bishop is 'superb and provides exemplary service.'" Tim successfully argued Solid Waste Agency of Northern Cook County in the Supreme Court, in which the Court struck down the Corps of Engineer’s "migratory bird rule." One leading environmental law professor and practitioner has written that Tim is "industry’s leading Supreme Court lawyer in environmental cases."
Since 1995, Tim has been a partner in Mayer Brown LLP’s 60-strong Supreme Court and Appellate Litigation Practice (which "stands head and shoulders above its competitors," according to Chambers USA 2008). Previously, he served as Law Clerk to US Supreme Court Justice William J. Brennan, Jr., and to Judge James L. Oakes, US Court of Appeals for the Second Circuit, and was Staff Counsel and Skadden Fellow with the American Civil Liberties Union. Recently, Tim was named one of Benchmark’s 2013 Appellate Illinois Litigation Stars.Chambers USA (2007) notes Tim’s “high visibility” and “incredible reputation for appellate law,” and he has been described in theLawdragon 500 as "a high court superstar" and a "top advocate" (2006).
Deep Dive Episode 40 – Kisor v. Wilkie
Karen Harned, Stephen Alexander Vaden, Andrew R. Varcoe
On Wednesday, March 27th, the Supreme Court heard oral argument in Kisor v. Wilkie. The...
Courthouse Steps Oral Argument: Kisor v. Wilkie
Karen Harned, Stephen Alexander Vaden, Andrew R. Varcoe
On the morning of March 27, the Supreme Court will hear oral argument in Kisor...
Courthouse Steps Oral Argument: Kisor v. Wilkie
TeleforumTopics
A Most Unusual Brief From the Solicitor General: Threading the Needle on Auer Deference
Last week, the Solicitor General filed the United States’ eagerly anticipated response brief in Kisor...
Topics
Reconsidering the Legal Status of Agency Guidance
Late last year, the U.S. Department of Justice (DOJ) took a quiet but significant step...
Can and Should the Federal Judiciary Rein In Our Expansive Administrative State?
Ted Hirt
Note from the Editor: The Federalist Society takes no positions on particular legal and public...
Deference to Agency Rule Interpretations: Problems of Expanding Constitutionally Questionable Authority in the Administrative State
Ronald A. Cass
Note from the Editor: This article argues that, while judicial deference to agency decisions is...
Deference Doctrines and the Clean Water Act
Jonathan H. Adler, Timothy Bishop
Recently, Justices of the Supreme Court have called the Court’s deference jurisprudence into significant question....
Deference Doctrines and the Clean Water Act
Environmental Law & Property Rights Practice Group, Administrative Law & Regulation Practice Group, and Regulatory Transparency Project
TeleforumTopics
SCOTUS Has A Great Opportunity to Constrain the Regulatory State in SNR Wireless v. FCC
As Chief Justice Roberts noted in his dissent in City of Arlington, Texas v. FCC,...