Bachelor of Medicine, Bachelor of Surgery, University Malaya, 1955.
Medical director Blood Transfusion Service, Singapore, 1962—1972, Kandang Kerbau Hospital, Singapore, 1968—1972, Singapore General Hospital, 1972—1984. Permanent secretary Ministry Health, Singapore, 1984—1996. Director Medical Services Singapore, 1984—1996.
Emeritus consultant Singapore General Hospital, since 1996. Senior consultant hematologist, 1971-1984. Chairman Jurong Bird Park, Singapore, 1980-2003, Singapore Zoological Gardens, 1995-2003, Wildlife Reserves Singapore Pte Ltd., 2000-2003.
Board directors Pontiac Land Pte Ltd.
Registrar Singapore Medical Council, 1984-1996, member, 1997-2002. Member management committee Singapore Turf Club, 1996-2006. Member Singapore Tourism Board, 1997-1999.
Colonel Singapore Armed Forces, 1972-1984. Fellow Royal College Physicians Edinburgh, Royal College Physicians Glasgow.
Married Lucy Leow October 30, 1955. Children: Chong Teck, Chong Jin.