Dr. Tumi is known as a skilled and innovative surgeon, he performs both reconstructive and cosmetic surgeries and does his best to serve his local community, Barrie and Simcoe County as well as the Muskoka area.

Dr. Tumi is a member of the Canadian Society of Plastic Surgeons, the American Society of Plastic Surgeons, the Royal College of Physicians and Surgeons of Canada, the Ontario College of Physicians and Surgeons, the Ontario Medical Association, and the Canadian Medical Association.