Campus

Contact

Phone

Email

Grand Rapids - WA Lettinga Main Campus &
Global Campus (Online)
Kassy Clark  616.554.5184 kassy.clark@osonin.com
Kalamazoo Kassy Clark  616.554.5184 kassy.clark@osonin.com
Lansing Jenny Thurber  517.367.8201 lajthurber@osonin.com
Midland Denise Derr

989.794.1932

Denise.Derr@osonin.com
Traverse City Zach Whitaker 616.732.1180

zwhitaker@osonin.com

Warren Kassy Clark 616.554.5184 kassy.clark@osonin.com
ADA Coordinator  Joseph Bishop  616.554.5687

joseph.bishop@osonin.com