United States Attorney for the District of Wyoming
In office November 21, 2017 – January 31, 2021
President
Donald Trump Joe Biden
Preceded by
Christopher A. Crofts
Succeeded by
L. Robert Murray (acting)
Personal details
Born
Mark Allen Klaassen
(1973-04-17) April 17, 1973 (age 51)[1] Park Rapids, Minnesota[1]
Education
Oral Roberts University (BS) Notre Dame Law School (JD)
Mark Allen Klaassen (born April 17, 1973) is an American attorney who served as the United States Attorney in the United States District Court for the District of Wyoming from 2017 to 2021.
Klaassen was raised in Gillette, Wyoming.[2] A graduate of Oral Roberts University and Notre Dame Law School, he clerked for Wade Brorby of the United States Court of Appeals for the Tenth Circuit.[3] Klaassen began his career as an associate at Latham & Watkins. From 2007 to 2009, Klaassen was chief of staff to the general counsel for the United States Department of Homeland Security, and he also served as general counsel for the United States House Committee on Homeland Security from 2003 to 2007.[4][5] He was formerly an Assistant United States Attorney for the same district prior to his elevation to his current post.
^ abHubbell, Martindale (2000). Martindale-Hubbell Law Directory, Volume 5. Martindale-Hubbell. ISBN 9781561603992.
^Gallardo, Jonathan (November 22, 2017). "CCHS grad sworn in as US Attorney in Wyoming". Gillette News Record. Retrieved February 19, 2019.
^Allen, Kevin (July 24, 2017). "Mark A. Klaassen, '98 J.D., nominated for U.S. attorney for Wyoming". University of Notre Dame Law School. Retrieved October 27, 2017.
^"President Donald J. Trump Announces Fourth Wave of United States Attorney Candidate Nominations". The White House. July 21, 2017. Archived from the original on December 10, 2017. Retrieved October 23, 2017. This article incorporates text from this source, which is in the public domain.
^"Mark Klaasen nominated for US attorney in Wyoming". Washington Times. Associated Press. July 26, 2017. Retrieved October 27, 2017.
Mark Allen Klaassen (born April 17, 1973) is an American attorney who served as the United States Attorney in the United States District Court for the...
Wisconsin Scott Blader November 22, 2017 February 28, 2021 Wyoming U.S. Attorney for the District of Wyoming MarkKlaassen November 21, 2017 January 31, 2021...
quarter-finals of the third UK Open Qualifier in March where he lost 4–6 to Mark Jones. At the UK Open itself he was defeated in the last 64 by Raymond van...
original on 22 October 2023. Retrieved 19 October 2023. Keultjes, Hanneke; Klaassen, Niels (30 October 2023). "Omtzigt en Timmermans (zónder VVD) in debat...
Johan; Smith, Alan D.; Karlsson, Håkan; Nilsson, Cecilia; Reynolds, Don R.; Klaassen, Raymond H. G.; Hill, Jane K. (2011). "Convergent patterns of long-distance...
that he had successfully filled the void created by the departure of Davy Klaassen who had recently moved to English club Everton. In October, English club...
Mystery of the Mark: Anabaptist Mission Work Under the Fire of God. Mountain Lake, MN: Elmendorf Books. ISBN 978-1-5172-5504-6. Klaassen, Walter (1973)...
'Something drastic has to happen']. EW (in Dutch). Retrieved 9 September 2023. Klaassen, Niels. "Nieuwe VVD-leider zet de deur voor PVV op een kier: 'Eerst is...
men's competition. Manchester Originals: Tom Aspinwall to replace Fred Klaassen Scott Currie to replace Josh Tongue Northern Superchargers: Jason Roy to...
original on 23 November 2023. Retrieved 23 November 2023. Stoll, Christian; Klaaßen, Lena; Gallersdörfer, Ulrich; Neumüller, Alexander (June 2023). Climate...
original on August 21, 2017. Retrieved January 27, 2015. Kenworthy, M. A.; Klaassen, P. D.; et al. (January 2020). "ALMA and NACO observations towards the...
Machín, P.; Fernández-Elipe, J.; Flinks, H.; Laso, M.; Aguirre, J. I.; Klaassen, R. H. G. (2017). "Habitat selection, diet and food availability of European...
Elementalist. Archived from the original on 19 May 2021. Retrieved 15 June 2011. Klaassen, Julian (6 April 2003). "Gospel of the Horns – (AUS) – It was the Bathory...
original on 6 September 2016. Retrieved 5 September 2016. Stoll, Christian; Klaaßen, Lena; Gallersdörfer, Ulrich; Neumüller, Alexander (June 2023). Climate...
have?". The Laboratory People. 15 June 2012. Retrieved 21 November 2020. Klaassen, K.; Bormann, H.; Klenke, T.; Liebezeit, G. (2008). "The impact of hydrodynamics...
Senegal. Cody Gakpo scored the opening goal in the 84th minute and Davy Klaassen added a second in stoppage time. Senegal faced Qatar in the third match...