Dr Chan Kwai Onn is a Specialist Ear, Nose, and Throat (ENT) Surgeon in private practice since 2008, based at Novena Medical Center. He obtained his MBBS from the National University of Singapore in 1993, became a Fellow of the Royal College of Surgeons of Edinburgh and Glasgow in 1999, and completed his specialist training in ENT, Head and Neck Surgery in 2002. From 2002 to 2008, Dr Chan served as an ENT, Head and Neck Specialist at Changi General Hospital (CGH), where he headed the Sinus and Allergy Clinic and developed expertise in advanced treatments for sinus conditions, including image-guided endoscopic sinus surgery and balloon sinuplasty.