U.S. Marshals' Biographies

Sean Anthony Malecha was designated to serve as the Acting United States Marshal (USM) for the Northern District of Texas by Attorney General Pamela Bondi on September 15, 2025.

Susan Lewellyn Pamerleau serves as the 33rd United States Marshal for the Western District of Texas. She was confirmed by the United States Senate August 28, 2018 and sworn in September 17, 2018.

In February 2020, T. Michael O'Connor was sworn in as the U.S. Marshal of the Southern District of Texas. A fifth-generation South Texas rancher, U.S. Marshal T. Michael O'Connor continues his stewardship in public service and as a businessman.

The Honorable Justin L. Martinez was nominated by President Biden on October 14, 2023, confirmed by the U.S. Senate on June 7, 2023, and sworn-in to serve as the United States Marshal for the District of Utah on June 20, 2023.

Craig Ellis Thayer was sworn-in as the United States Marshal for the Eastern District of Washington on September 7, 2010, the same day he honorably retired as the Sheriff of Stevens County, Washington. As Marshal, Thayer is responsible for leading and directing operations, including security and protection of the United States Courts, criminal investigations, fugitive apprehension, execution of federal court orders and other law enforcement activities in the District.

Donrien Stephens currently serves as the Acting United States Marshal for the Western District of Washington, a position he assumed in July 2023, following his designation by the U.S. Attorney General.

On February 26, 2020, President Donald Trump nominated Anna M. Ruzinski of Wisconsin, to serve as the United States Marshal for the Eastern District of Wisconsin. Previously, Anna Ruzinski served as the Chief of Police for the Menomonee Falls Police Department.

On February 4th, 2019, Kim V. Gaffney was sworn-in as the 20th United States Marshal for the Western District of Wisconsin. As the United States Marshal for the Western District of Wisconsin, Gaffney is responsible for enforcing all orders of the United States District Court in the western 40,000 square miles of Wisconsin.