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.
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An Evening with Judge Greg Katsas and Don McGahn: A Rapid-Fire Roundtable
Tampa Bay Lawyer Chapter
The University Club of Tampa201 N. Franklin St., Suite 3800
Tampa, FL 33602
Plenary Panel 1: Justice Alito's Impact on Statutory Interpretation
An Examination of the Jurisprudence of Supreme Court Associate Justice Samuel Alito
University of Pennsylvania Carey Law School3501 Sansom Street
Philadelphia, PA 19104
A Conversation on Lawyering in the White House and Justice Department
DC Young Lawyer Chapter
Downtown Washington, DCBenchmarking Liberty: America 250
The National Archives701 Constitution Avenue, NW
Washington, DC 20408
TikTok and the Constitution: Who Has Free Speech Rights?
National Union Building918 F St NW
Washington, DC 20004
Plenary Panel 1: Justice Alito's Impact on Statutory Interpretation
An Examination of the Jurisprudence of Supreme Court Associate Justice Samuel Alito
Justice Alito’s statutory interpretation jurisprudence reflects a sustained commitment to textual analysis, structural coherence, and...
Plenary Panel 1: Justice Alito's Impact on Statutory Interpretation
An Examination of the Jurisprudence of Supreme Court Associate Justice Samuel Alito
Justice Alito’s statutory interpretation jurisprudence reflects a sustained commitment to textual analysis, structural coherence, and...
Benchmarking Liberty: America 250
Featuring: Hon. Lisa Branch, United States Court of Appeals, Eleventh Circuit Hon. Patrick J. Bumatay, United States...
TikTok and the Constitution: Who Has Free Speech Rights?
CLE credit for this event is available at On-Demand CLE. TikTok Inc. v. Garland has reignited...
Banquet Dinner: A Conversation Among the Circuits
2025 Florida Chapters Conference
Featuring: Hon. Gregory J. Katsas, U.S. Court of Appeals, District of Columbia Circuit Hon. Barbara...