Jack Heyburn is an associate in the New York office of Gibson, Dunn & Crutcher. He previously practiced in the firm’s Washington, D.C. office from 2019 to 2021. Mr. Heyburn is a member of the firm’s Litigation Department, and he specializes in appellate and constitutional law, administrative law, and complex commercial litigation.

Prior to joining the firm, Mr. Heyburn served as a law clerk to the Honorable Marjorie O. Rendell, U.S. Court of Appeals for the Third Circuit (2018-2019).

Mr. Heyburn graduated cum laude from the University of Pennsylvania Law School in 2018, where he was a member of the Supreme Court Clinic, led by now-Judge Stephanos Bibas of the U.S. Court of Appeals for the Third Circuit, and the winner of the law school’s annual moot court competition, the Edwin R. Keedy Cup.  At Penn Law, he was also on the editorial board of the University of Pennsylvania Journal of Constitutional Law.

Prior to law school, Mr. Heyburn served on the legislative staff for the United States Senate Majority Leader.  In 2013, Mr. Heyburn graduated with a Bachelor of Arts in History from Vanderbilt University.

Mr. Heyburn is admitted to practice in New York and the District of Columbia.