Dr. MacDonald is a Clinical Assistant Professor of Pediatrics and Family Medicine at The Ohio State University (OSU) and a Pediatric Sports Medicine Specialist at Nationwide Children’s Hospital in Columbus, Ohio.  He is Team Physician for Ohio Dominican University and Bexley (OH) High School, and is a member of USA Swimming’s Sports Medicine Task Force. He was previously Team Physician for the University of California, Santa Cruz.

Dr. MacDonald has lectured widely and written numerous journal articles and book chapters on topics in sports medicine,  and is currently conducting research on pediatric concussions with a grant from the American Medical Society for Sports Medicine.  He is an Associate Editor and blogger for the Clinical Journal of Sports Medicine (CJSM), and for the Journal of Dance Medicine and Science (JDMS).  He  blogs for CJSM (www.cjsmblog.com) and maintains an active presence on social media @cjsmonline.  

A cum laude graduate of Harvard College, Dr. MacDonald received his M.D. from Harvard Medical School. He trained in Family Medicine at the Maine-Dartmouth Family Practice Residency and in Sports Medicine at Boston Children’s Hospital, and most recently received his M.P.H. from the College of Medicine at OSU. 

Board Certified in Family Medicine, with a Certificate of Added Qualification in Sports Medicine, Dr. MacDonald is a Fellow of the American College of Sports Medicine as well as a Fellow of the American Academy of Family Physicians. 

Dr. MacDonald has had a lifelong devotion to sports and physical activity.  He lettered in track and cross-country at Harvard, and is an active bike commuter who always wears his helmet!  He is enjoying watching his twin eleven-year-old daughter and son adopt sports ranging from soccer to karate to weight lifting.