Australian Chinese Medical Association, Foundation Member.
American Association of Neurological Surgeons, Since 1996.
Congress of Neurological Surgeons (USA), Since 1993.
New South Wales Neurosurgical Association, Since 1984.
Neurosurgical Society of Australasia, Provisional Member - 1981, Full Member - 1987.
Royal Australasian College of Surgeons, Fellow since 1984.
Australian Medical Association, Since 1986.