Leadership. Courage. Accountability.

A 4th generation St. Louisan, Mark Osmack was born and raised in Missouri’s 2nd Congressional District in south St. Louis County. Mark attended public schools and graduated from Lindbergh High School before attending the University of Missouri-Columbia.

During college, Mark worked at Busch Stadium and local grocery stores as a member of UFCW Local 655. Later, Mark joined the Army where he served two combat tours in Afghanistan and received a Bronze Star.

Utilizing the Post-9/11 GI Bill, Mark earned a Masters of Public Administration from George Washington University. He worked on national defense and veteran’s affairs issues for Iraq war hero and Congresswoman, Tammy Duckworth. Today, Mark works to help agencies and departments of the federal government operate more efficiently as a consultant in the St. Louis office of Deloitte Consulting, LLP and is an Army Reserve company commander.