Judge, United States Court of Appeals, District of Columbia Circuit
Judge Katsas was appointed to the D.C. Circuit in December 2017. He graduated from Princeton University and Harvard Law School, where he was an executive editor on the Harvard Law Review. Between 1989 and 1992, he served as a law clerk to Judge Edward Becker on the Third Circuit, to then-Judge Clarence Thomas on the D.C. Circuit, and to Justice Thomas on the Supreme Court. Between 1992 and 2001, he was an associate and then partner in the Washington office of Jones Day, where he specialized in appellate and complex civil litigation. Between 2001 and 2009, he served in many senior positions in the Department of Justice, including as Assistant Attorney General for the Civil Division and as Acting Associate Attorney General. In 2009, he returned to Jones Day. From January to December 2017, he served as Deputy Assistant to the President and Deputy Counsel to the President.
Before joining the bench, Judge Katsas argued more than 75 appeals, including three cases in the Supreme Court, 13 cases in the D.C. Circuit, and cases in every other federal court of appeals. By appointment of the Chief Justice, he served on the Advisory Committee on Appellate Rules from 2013 to 2017. In 2016, he was elected to membership in the American Academy of Appellate Lawyers.
Partner, Mayer Brown LLP
Marcia Madsen was Chair of the Government Contracts practice and co-chair of the National Security Practice at Mayer Brown. She represented contractors in regulatory, policy, transactional, litigation, and investigative matters involving virtually every federal agency. Her clients included defense contractors, information technology and systems integrators, telecommunications companies, engineering firms, insurers, and manufacturing companies. Ms. Madsen's practice included defense of False Claims Act matters, internal investigations, audits, bid protests, claims and disputes before administrative forums and in the federal courts. She was a former Chair of the American Bar Association Section of Public Contract Law and currently co-chairs the Section’s Procurement Fraud Committee. She also is a member of the Federalist Society Administrative Law and Regulation Executive Committee. In addition, Marcia was a member of the Court of Federal Claims Advisory Council - Emeritus, and a recipient of the Court's Golden Eagle award. She was a Past President of the Board of Contract Appeals Bar Association. She was appointed by the Executive Office of the President to chair the Section 1423 Panel which recommended revision of the acquisition laws. She spoke and wrote frequently on government contracts and litigation topics.
Georgetown University Law Center, LL.M., 1980
American University - Washington College of Law, J.D., 1976
University of Utah, B.A., 1972
Partner, Gibson, Dunn & Crutcher LLP
Elizabeth Papez is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher LLP and a member of the firm’s litigation group. Her practice focuses on high-stakes class actions, complex commercial litigation, and related government investigations and appeals.
As a seasoned litigator and former U.S. Deputy Assistant Attorney General, Ms. Papez has substantial experience representing clients in the financial services, pharmaceutical, consumer, and product sectors. She regularly handles federal class actions, multidistrict litigation (MDLs) and other complex commercial disputes under federal and state antitrust statutes, banking and securities laws, and false claims acts, as well as parallel regulatory investigations with the U.S. Department of Justice (DOJ), the Securities and Exchange Commission (SEC), the Commodity Futures Trading Commission (CFTC), and the Food and Drug Administration (FDA).
Ms. Papez has been repeatedly recognized as one of Benchmark USA’s Top 250 Women in Litigation nationwide, which named her a “client favorite” who is “extremely smart and practical and very charismatic,” and is praised by peers as a “fierce, dynamic, bright, powerhouse of a litigator.” Ms. Papez is also recognized in The Legal 500 for her antitrust and appellate work, and by The Best Lawyers in America 2019 for her appellate practice.
Partner, Gibson, Dunn & Crutcher LLP
Elizabeth Papez is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher LLP and a member of the firm’s litigation group. Her practice focuses on high-stakes class actions, complex commercial litigation, and related government investigations and appeals.
As a seasoned litigator and former U.S. Deputy Assistant Attorney General, Ms. Papez has substantial experience representing clients in the financial services, pharmaceutical, consumer, and product sectors. She regularly handles federal class actions, multidistrict litigation (MDLs) and other complex commercial disputes under federal and state antitrust statutes, banking and securities laws, and false claims acts, as well as parallel regulatory investigations with the U.S. Department of Justice (DOJ), the Securities and Exchange Commission (SEC), the Commodity Futures Trading Commission (CFTC), and the Food and Drug Administration (FDA).
Ms. Papez has been repeatedly recognized as one of Benchmark USA’s Top 250 Women in Litigation nationwide, which named her a “client favorite” who is “extremely smart and practical and very charismatic,” and is praised by peers as a “fierce, dynamic, bright, powerhouse of a litigator.” Ms. Papez is also recognized in The Legal 500 for her antitrust and appellate work, and by The Best Lawyers in America 2019 for her appellate practice.
Senior Litigation Counsel, New Civil Liberties Alliance
Throughout his 40-year career in private law practice in Washington, D.C., Richard Samp has specialized in appellate litigation with a focus on constitutional law. He served as Chief Counsel of the Washington Legal Foundation for more than 30 years. He has participated directly in more than 200 cases before the U.S. Supreme Court. Mr. Samp is a graduate of Harvard College and the University of Michigan Law School and clerked for a federal judge in Detroit.
Senior Counsel, Orrick, Herrington & Sutcliffe LLP
Michael J. Madigan is a litigation partner in Orrick's Washington, D.C., office. Mr. Madigan has more than 30 years of experience in white collar criminal investigations, congressional and corporate investigations, corporate governance issues and Washington, D.C., legislative and political issues. He began his legal career by serving as a federal prosecutor where he tried more than 100 jury trials. At age 30, he served as Counsel to Senator Howard Baker on the historic Senate Watergate Committee. In addition, Mr. Madigan has served as Chief Counsel for Senator Fred Thompson's Campaign Finance investigation, Counsel to the Church Committee and Minority Counsel of the Senate Intelligence Committee.
Mr. Madigan has successfully defended corporate and individual clients (including law firms and accounting firms) in a variety of complex criminal, civil and congressional investigations; conducted corporate internal investigations and counseled on corporate governance and Foreign Corrupt Practices Act issues.
Mr. Madigan has been elected to and/or been asked to serve on a variety of boards and has been involved in the major decision-making of each organization, including the Board of Governors of the D.C. Bar (elected to two three-year terms); the Board of Trustees of the District of Columbia Public Defender Service; the Boards of Directors of the Robert A. Shuker Scholarship Fund, Inc.; the Frederick B. Abramson Memorial Foundation, the D.C. Conference on Opportunities for Minorities in the Legal Profession, the Council for Court Excellence and the Bar Association of the District of Columbia (elected to two two-year terms).
Mr. Madigan has been appointed to serve on a number of commissions and committees, including the District of Columbia Federal Judicial Nominating Commission (federal judge selection), the Magistrate Judge Selection Committee (Vice Chairman), the D.C. Judicial Nomination Commission (local judge selection), the D.C. Circuit Judicial Conference and the Mayor's Corporation Counsel Advisory Committee. He has taught Trial Advocacy at the National Institute of Trial Advocacy for the past 20 years, where he received the "Justin Simon Award for Excellence in Teaching" and has been a Delegate to both the D.C. Circuit and D.C. Judicial Conferences for the last 15 years.
Mr. Madigan is a Fellow in the International Academy of Trial Lawyers and a "Master" in the Edward Bennett Williams Inn of Court. He is a Member of the Barristers, the Lawyers Club and the Cosmos Club.
Orrick, Herrington & Sutcliffe LLP
Partner, Mayer Brown LLP
Marcia Madsen was Chair of the Government Contracts practice and co-chair of the National Security Practice at Mayer Brown. She represented contractors in regulatory, policy, transactional, litigation, and investigative matters involving virtually every federal agency. Her clients included defense contractors, information technology and systems integrators, telecommunications companies, engineering firms, insurers, and manufacturing companies. Ms. Madsen's practice included defense of False Claims Act matters, internal investigations, audits, bid protests, claims and disputes before administrative forums and in the federal courts. She was a former Chair of the American Bar Association Section of Public Contract Law and currently co-chairs the Section’s Procurement Fraud Committee. She also is a member of the Federalist Society Administrative Law and Regulation Executive Committee. In addition, Marcia was a member of the Court of Federal Claims Advisory Council - Emeritus, and a recipient of the Court's Golden Eagle award. She was a Past President of the Board of Contract Appeals Bar Association. She was appointed by the Executive Office of the President to chair the Section 1423 Panel which recommended revision of the acquisition laws. She spoke and wrote frequently on government contracts and litigation topics.
Georgetown University Law Center, LL.M., 1980
American University - Washington College of Law, J.D., 1976
University of Utah, B.A., 1972
Partner, Mayer Brown LLP
Marcia Madsen was Chair of the Government Contracts practice and co-chair of the National Security Practice at Mayer Brown. She represented contractors in regulatory, policy, transactional, litigation, and investigative matters involving virtually every federal agency. Her clients included defense contractors, information technology and systems integrators, telecommunications companies, engineering firms, insurers, and manufacturing companies. Ms. Madsen's practice included defense of False Claims Act matters, internal investigations, audits, bid protests, claims and disputes before administrative forums and in the federal courts. She was a former Chair of the American Bar Association Section of Public Contract Law and currently co-chairs the Section’s Procurement Fraud Committee. She also is a member of the Federalist Society Administrative Law and Regulation Executive Committee. In addition, Marcia was a member of the Court of Federal Claims Advisory Council - Emeritus, and a recipient of the Court's Golden Eagle award. She was a Past President of the Board of Contract Appeals Bar Association. She was appointed by the Executive Office of the President to chair the Section 1423 Panel which recommended revision of the acquisition laws. She spoke and wrote frequently on government contracts and litigation topics.
Georgetown University Law Center, LL.M., 1980
American University - Washington College of Law, J.D., 1976
University of Utah, B.A., 1972
Assistant Attorney General, Environment and Natural Resources Division, U.S. Department of Justice
Jeffrey Bossert Clark was born in Philadelphia, Pennsylvania on April 17, 1967. He is a graduate of Harvard University (A.B. in economics and history, 1989), the University of Delaware (M.A. in urban affairs and public policy, 1993), and the Georgetown University Law Center (J.D., 1995).
Mr. Clark began his career working for the State of Delaware’s Department of Finance, Division of Revenue as an economics analyst in the field of tax policy. During his tenure from 1989 to 1992, he authored several white papers analyzing Delaware revenue sources. Delaware also selected Mr. Clark to submit an economic report and affidavit to the United States Supreme Court in the original jurisdiction case of Delaware v. New York, 507 U.S. 490 (1993).
He entered Georgetown’s law school in 1992 where he earned honors as an articles editor of the Georgetown Law Journal, an Olin Law & Economics Fellow, and a member of the Order of the Coif. From 1995 to 1996, Mr. Clark clerked for Judge Boggs of the U.S. Court of Appeals of the Sixth Circuit. Mr. Clark then joined the law firm of Kirkland & Ellis as an associate from 1996-2001. He worked as an appellate litigator on numerous Supreme Court and other appellate cases and developed expertise in administrative law, statutory interpretation, as well as antitrust, labor, environmental, and telecommunications law.
Mr. Clark went on to serve in ENRD from 2001-2005 as a Deputy Assistant Attorney General selected by Attorney General Ashcroft and Assistant Attorney General Tom Sansonetti. In that capacity, he supervised ENRD’s Appellate and Indian Resources Sections. He reviewed, edited, and contributed to virtually every brief that ENRD filed in the Courts of Appeals, including several cases of exceptional significance that he personally briefed and argued. During his service in the early 2000s, Mr. Clark argued and won numerous cases in multiple U.S. Courts of Appeals and worked on all Supreme Court cases arising out of ENRD’s work.
In 2005, Mr. Clark returned to Kirkland & Ellis LLP as a partner, where he litigated until his return to ENRD in 2018. There he worked on numerous multi-billion-dollar matters and continued to argue many appellate cases. His practice operated at all levels — appellate litigation, trial court litigation, agency proceedings, and regulatory and litigation counseling. He has been named a Super Lawyer for multiple years running, highlighted in the Legal 500, named to the “Legal Who’s Who for Environmental Law” in Corporate Responsibility Magazine, rated A.V. preeminent by Martindale Hubbell, and named a member of the National Association of Distinguished Counsel’s Nation’s One Percent. He also was named one of America’s Top 100 High Stakes Litigators.
President Trump nominated Mr. Clark to be the Assistant Attorney General of the Environment and Natural Resources Division (ENRD) on June 7, 2017. He was confirmed by the U.S. Senate on October 11, 2018 and sworn into office on November 1, 2018, followed by an investiture ceremony on November 15, 2018.
Vice President, Edwin Meese III Institute for the Rule of Law, Advancing American Freedom
John G. Malcolm oversees Advancing American Freedom’s work to increase understanding of the Constitution and the rule of law as Vice President of the organization’s Edwin Meese III Institute for the Rule of Law. Malcolm brings to the challenge a wealth of legal expertise and experience in both the public and private sectors.
Prior to joining Advancing American Freedom in 2025, Malcolm was the Vice President of the Institute for Constitutional Government and the Director of the Meese Center for Legal and Judicial Studies at the Heritage Foundation. Prior to joining Heritage in 2012, Malcolm was general counsel at the U.S. Commission on International Religious Freedom, as well as a distinguished practitioner in residence at Pepperdine Law School. From 2004 to 2009, Malcolm was executive vice president and director of worldwide anti-piracy operations for the Motion Picture Association.
Malcolm served as a deputy assistant attorney general in the Department of Justice’s Criminal Division from 2001 to 2004, where he oversaw sections on computer crime and intellectual property, domestic security, child exploitation and obscenity, and special investigations. Immediately prior to that, he was a founding partner in the Atlanta law firm of Malcolm & Schroeder, LLP.
From 1990 to 1997, Malcolm was an assistant U.S. attorney in Atlanta, assigned to the fraud and public corruption section, and also an associate independent counsel, investigating fraud and abuse in the Department of Housing and Urban Development. He was honored with the Director’s Award for Superior Performance for his work in connection with the successful prosecution of Walter Leroy Moody Jr., who assassinated an 11th Circuit judge and the head of the Savannah chapter of the NAACP.
A graduate of Harvard Law School and Columbia College, Malcolm began his career as a law clerk to a federal district court judge and a federal appellate court judge, and as an associate at the Atlanta-based law firm of Sutherland, Asbill & Brennan (new Eversheds Sutherland).
Malcolm, who resides in Washington, D.C., serves on the Board of Trustees of the Washington National Opera and is a Senate-confirmed member of the Board of Directors of the Legal Services Corporation, the largest funder of civil legal aid in the United States.
United States Supreme Court Preview
Charleston, West VirginiaSchindler Elevator Corp. v. United States ex rel. Kirk - Post-Decision SCOTUScast
Elizabeth P. Papez
On May 16, 2011, the Supreme Court announced its decision in Schindler Elevator Corp. v....
Schindler Elevator Corp. v. United States ex rel. Kirk - Post-Argument SCOTUScast
Elizabeth P. Papez
On March 1, 2011, the Supreme Court heard oral argument in Schindler Elevator Corp. v....
Graham County Soil & Water Conservation District v. United States ex rel. Wilson - Post-Decision SCOTUScast
Richard A. Samp
On March 30, 2010, the Supreme Court announced its decision in Graham County Soil &...
FERA – 2009 – Brings U.S. Broad New Government Enforcement Powers
Michael J. Madigan, Lauren B. Muldoon, Jane Beall
Brought to you by the Criminal Law & Procedure Practice GroupAs the economic meltdown of 2008 wound...
The False Claims Act
R Cook, Jonathan Diesenhaus, Andrew Grosso, Marcia G. Madsen, Shelley Slade
Congress is considering several amendments to the False Claims Act which would broaden whistleblower protection...
The False Claims Act
Administrative Law & Regulation and Criminal Law & Procedure Practice Groups
Washington, DCSCOTUScast 2-27-08 featuring Marcia Madsen
Marcia G. Madsen
On February 26, 2008 the Supreme Court heard oral argument on a case involving the...
Standing on the Shoulders of Scrap: Friends of the Earth, Inc. v. Laidlaw Environmental Servs., Inc.
Jeffrey Bossert Clark
In a surprising departure from the trend it set in the 90s of increasing the...
Encryption Technology: I hear you knockin’, but you can’t come in
Robert F. Schroeder, John G. Malcolm
In these heady days of the Internet, other forms of global communication, and multinational corporations,...