County Attorney












Mark A. Ostrem
Olmsted County Attorney
2007 - Present

Olmsted County Attorney's Office Mission Statement:

To promote justice and public safety by zealous yet discretionary prosecution balancing the rights of individuals and the paramount needs of society.

Pursuant to Minn. Stat. §388.01 “There shall be elected in each county a County Attorney who shall be licensed to practice law in this state, and whose term of office shall be four years and until a successor qualifies.  Before entering upon duties the County Attorney shall take an oath.  The oath must be filed for record with a County recorder.”

Mark Ostrem was elected as the Olmsted County Attorney on November 7, 2006 and began his term of office on January 1, 2007.  Prior to that time Mark was a Judicial Law Clerk in Dodge County District Court for Judge Agerter from 1998-2001.  Following that, Mark was in private practice as an Associate Attorney with the local firm, Rolsch and Anderson in general practice.  From 2001-2006 Mark was owner/partner at Patterson, Ostrem and Swisher Law Firm primarily practicing criminal defense.  

Mark is a member of the Olmsted County Bar Association, the Minnesota Bar Association, the American Bar Association and the National District Attorney Association.  Mark is a member/director on the Minnesota Bar Association and is the MCAA representative to Crimnet and the chair of the Technology Committee for MCAA.

Mark received his Juris Doctor degree from William Mitchell College of Law in 1997.  He also holds a Master of Business Administration degree from Winona State University and a Bachelor of Science in Business Administration from the University of Wisconsin-Platteville.  Originally from a small rural town in Wisconsin, Mark has lived with his family in Rochester since 1982.