By: States Attorney.
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Mark A. Klaassen
On November 21st, 2017, Mark A. Klaassen took an oath of office to become the United States Attorney for the District of Wyoming. President Donald Trump nominated him as the United States Attorney for the District Court for the District of Wyoming On August 3rd, 2017. The Senate confirmed the president’s nomination on November 9th, 2017, formally electing Mr. Klaassen as the official United States Attorney of Wyoming.
He manages a team of 42 employees, including 17 attorneys and 25 non-attorney support personnel. The law office of U.S. Attorney Mark A. Klaassen is accountable for the prosecution of federal crimes, such as; child exploitation, crimes linked to public corruption, guns, and narcotics. What is more, Klaassen’s law office defends the United States of America in civil cases and debt collection owed to the country.
Before being nominated as the United States attorney, Mark A. Klaassen had served for nine years as an Assistant United States Attorney for the District of Wyoming. Klaassen’s main focus of work was the affirmative civil and financial litigation cases, where the Board of Trustees elected Mr. Klaassen for Laramie County School District Number One.
Mark A. Klaassen launched his career in Cheyenne as a law clerk for the Honorable Wade Brorby of the United States Court of Appeals for the Tenth Circuit; then, he successfully joined the law firm of Latham & Watkins LLP. From 2003 to 2007, Mark A. Klaassen served as General Counsel for the United States Department of Homeland Security. In 2007, President George W. Bush appointed Klaassen to serve as Chief of Staff to the General Counsel for the Department of Homeland Security, where he served for two years.
Mike A. Klaassen received his Bachelor of Science in Finance, summa cum laude, from the Oral Roberts University, and his J.D., magna cum laude, from the University of Notre Dame Law School.
United States Attorney Mark A. Klaassen
Address: 2120 Capitol Avenue, Suite 400
Cheyenne, WY 82003, U.S.
Updated April 27, 2020