Dr. Ian Witterick is Surgeon-in-Chief at Sinai Health in Toronto and Professor in the Department of Otolaryngology–Head & Neck Surgery (OHNS) at the University of Toronto. He previously served as Chair of the Department of OHNS at the University of Toronto, completing a 10-year term in 2022.

Dr. Witterick has held numerous national and international leadership positions, including President of the Canadian Society of Otolaryngology–Head & Neck Surgery and the North American Skull Base Society. He served as Chair of the Skull Base Section for the American Head and Neck Society and is a member of the Steering Committee for the World Congress on Thyroid Cancer.

Dr. Witterick has published extensively and is a frequent invited speaker nationally and internationally in the fields of head and neck oncology, rhinology, and anterior skull base surgery.