Mark Campbell M.D., ’75, serves as the executive director of the Spectrum Health Regional Cancer Network. He is also president and founding member of the Cancer & Hematology Centers of Western Michigan, a business owned by 16 doctors with a total of 200 employees working at various locations. In July 2007, Dr. Campbell and a partner opened a Harley-Davidson dealership in Muskegon, Mich. Dr. Campbell’s history and current business endeavors were recently featured in the Dec. 17, 2007, issue of the Grand Rapids Business Journal.