Dr John Loh is a Consultant at the Changi General Hospital Department of Otorhinolaryngology, Head & Neck Surgery and the Department of Sleep Medicine, Surgery & Sciences. He underwent fellowship training in Sleep Surgery at Kaohsiung Chang Gung Memorial Hospital under Professor Phillip Lin Hsin-Ching, with an emphasis on multilevel soft tissue surgery as well as endoscopic, robotic and minimally invasive tongue base surgery.