Federal Judicial Service:

Judge, U.S. District Court for the Southern District of Texas
Nominated by Donald J. Trump on April 14, 2026, to a seat vacated by Micaela Alvarez. Confirmed by the Senate on June 24, 2026. Commission issued on July 9, 2026. Judge Marck was administered the oath of office by U.S. District Judge Nicholas J. Ganjei on July 10, 2026.

Education:

Brooklyn College, City University of New York, B.A., 2009
St. John's University School of Law, J.D., 2013

Professional Career:

Special Assistant District Attorney, Brooklyn, New York, 2013
Assistant District Attorney, Bronx, New York, 2014-2021
Assistant U.S. Attorney, Southern District of Texas, 2021-2026; Associate Deputy Criminal Chief, 2025; First Assistant U.S. attorney, 2025-2026; Acting U.S. Attorney, 2026