Dr Tam obtained his medical degree from The University of Hong Kong in 1983. He subsequently received his urological training at Queen Mary Hospital. In 1985, he was awarded the Howard Eddey Medal of Royal Australasian College of Surgeons.
He was elected as Fellow of The Royal College of Surgeons of Edinburgh in 1988 and Fellow of the Royal Australasian College of Surgeons in 1990. In 1991, Dr Tam was presented with The Commonwealth Medical Fellowship Award for undertaking one year of advanced urology training in England. He subsequently obtained the Intercollegiate Urology Fellowship in the same year. Dr Tam became the Foundation Fellow of The College of Surgeons of Hong Kong and Foundation Fellow in surgery of The Hong Kong Academy in Medicine.
From 1984 to 2011, Dr Tam served at Queen Mary Hospital and Tung Wah Hospital. He was Lecturer-in –Charge of the Urology Team of the University Surgical Unit from 1989 to 1993, and Chief of Service of the University Surgical Unit of Tung Wah Hospital from 1993 to 1997. From 1997 to 2011, Dr Tam was the Consultant Surgeon and Chief of Urology of Queen Mary Hospital and Tung Wah Hospital. In April 2011, he joined the Hong Kong Urology Clinic.
Dr Tam has focused his clinical and research interest on Robotic Urological Surgery, the treatment of prostate cancer, bladder cancer and kidney cancer as well as male infertility. He was the Director of Robotic Surgery Programme at Queen Mary Hospital from 2007 to 2011.
Dr Tam is also actively involved in undergraduate and postgraduate training. He has been the Honorary Clinical Associate Professor of The University of Hong Kong since 1993. He is currently the Vice-President of The College of Surgeons of Hong Kong and Immediate Past Chairman of the Urology Board of The College of Surgeons of Hong Kong.