John Tienken is an associate in the Washington, D.C. office of Gibson, Dunn & Crutcher, where he practices in the firm’s Litigation Department.
Prior to joining Gibson Dunn, John served as a law clerk to Justice Neil M. Gorsuch of the Supreme Court of the United States, Judge Andrew S. Oldham of the United States Court of Appeals for the Fifth Circuit, and Judge Amul R. Thapar of the United States Court of Appeals for the Sixth Circuit. He also practiced for three years at a litigation boutique, focusing on constitutional and regulatory disputes in federal and state courts.
John graduated with high honors and with a certificate in business leadership from the University of Chicago Law School in 2018, where he served as Managing Online Editor of the University of Chicago Law Review. Before law school, he worked as a producer at Fox News. He graduated from the University of Illinois Springfield, summa cum laude, in 2013.
John is a member of the bars in the State of Illinois and the District of Columbia. He is also admitted to practice law before the Supreme Court of the United States, the United States Courts of Appeals for the Second, Fifth, and Eleventh Circuits, and the United States District Court for the Western District of Texas.
Capabilities
Credentials
Education:
- University of Chicago - 2018 Juris Doctor
- University of Illinois Springfield - 2013 Bachelor of Arts
Admissions:
- District of Columbia Bar
- Illinois Bar
Clerkships:
- US Supreme Court, Hon. Justice Gorsuch, 2023 - 2024
- US Court of Appeals, 5th Circuit, Hon. Andrew S. Oldham, 2019 - 2020
- US Court of Appeals, 6th Circuit, Hon. Amul R. Thapar, 2018 - 2019