Dr. Kornoelje is a primary care sports medicine physician in Grand Rapids Michigan where he serves as the Director of Sports Medicine for the University of Michigan Health-West and the primary care sports medicine fellowship. 

He is the Medical Director of numerous community events and is an Assistant Clinical Professor at MSU-COM.  He works with cross country and track teams of all levels (including Grand Valley State University where he serves as team physician) as well as high school athletes across Michigan. 

He writes and speaks regularly on exercise related topics including ferritin and its role in exercise.