COL Ostrem is a native of Ottawa, Illinois, and was commissioned in the United States Army Reserve (USAR) in 1992 as a Transportation Officer through the Reserve Officers’ Training Corps program at Illinois State University, Normal, Illinois.
He has served in numerous leadership positions in the USAR and has commanded through the battalion level. He most recently served as the Assistant Chief of Staff G4 for the 81st Readiness Division at Fort Jackson, South Carolina. COL Ostrem is serving as an Army War College Fellow at MIT for the 2019-2020 academic year.
COL Ostrem is a 1996 graduate of the University of Illinois at Springfield where he earned a Master of Arts in Environmental Studies. In addition to his master's, he earned a Bachelor of Science in Geography from Illinois State University.
As a civilian, Stan has 25 years of environmental professional experience and is currently an Environmental Manager with Caterpillar, Inc. in Decatur, Illinois.