Dr. Harrington grew up in St. Louis Park and received his undergraduate, Dental and orthodontic training at the University of Minnesota. He has been creating straight and healthy smiles for children, teenagers and adults for many years. He’s a member of the American Association of Orthodontists and part of the Invisalign study club. He is also on staff at the Children's Hospital in Minneapolis working in the Cleft Palate Clinic in a volunteer capacity.

Dr. Harrington is an avid photographer and enjoys combining travel and photography in his time away from the clinic. He also enjoys cooking and baking. Biking and skiing help him stay fit and get him outside.