Received a bachelor degree in Medicine and Surgery from King Saud University, Riyadh, Saudi Arabia in 1996, completed his postgraduate studies in Otolaryngology from McGill University, Canada, in 2004, and in Otology and Neurotology from Dalhousie University, Halifax, Canada, in 2005. Professor Hagr holds the following certificates: MBBS, Saudi Council Examination, Internship, MCCEE, King Medal for Merit, Principles of Surgery, Royal College of Canada, and Dalhousie University Otology Fellowship.