Dr Oh graduated from the National University of Singapore with a Bachelor of Medicine and Bachelor of Surgery degree in 1995. His post-graduate qualifications include a postgraduate degree in General Surgery from the Fellowship of the Royal Surgeons of Edinburgh, a Master of Medicine (Orthopaedics), Singapore, and a Membership with the Fellowship of the Royal Surgeons of Edinburgh (Orthopaedics).
He has dual sub-specialty areas of training in sports and trauma surgery.
Prior to coming on board at IOC, Dr Oh was a Consultant Orthopaedic Surgeon at Tan Tock Seng Hospital. He actively shares his expertise as a clinical teacher to medical and nursing students as well as fellow doctors and surgeons. Between 2007 and 2009, Dr Oh was an instructor at Arthrocare Shoulder & Knee Arthroscopy workshop and a Masters of Medicine GP course tutor. He is also active in conducting orthopaedic research, which spans from osteoporosis to cartilage regeneration and injuries in children.