John Siemietkowski

Judge profile

This profile is summarized from public sources for background context only. It is not an ImmJudge evaluation.

Attorney General Barr appointed John J. Siemietkowski to begin hearing cases in January 2020. Judge Siemietkowski earned a Bachelor of Arts in 1984 from Georgetown University, a Juris Doctor in 1987 from Catholic University, and a Masters of Law in 2000 from the Army Judge Advocate General’s School. From 2002 to November 2019, Judge Siemietkowski worked as a trial attorney at the Commercial Litigation Branch, Department of Justice, in the District of Columbia. From June to December 2018, he served as the U.S. deputy justice attaché to Afghanistan. In 2018, Judge Siemietkowski retired from the Army after a nearly 30-year career as an active duty and reserve JAG attorney. His military career spanned tours as a prosecutor, defense counsel, and trial judge. He taught at the Army JAG School, initially as a professor of Government Contracts & Fiscal Law, and later as a professor of Criminal Law and Trial Advocacy. In his last tour, from October 2016 to September 2017, he served in Kabul as the military coalition’s counter-corruption director. Judge Siemietkowski is a member of the Pennsylvania State Bar, State Bar of Texas, and Virginia State Bar.