Degree in Medicine and PhD, Nat'l Univ. of Singapore (NUS). Renal Physician. 1997-2000, Dean, Faculty of Medicine, NUS; 2000-04, Director, Medical Services, Ministry of Health, Singapore. Concurrently, Prof. of Medicine, NUS. Deputy Chairman, Agency for Science, Technology and Research, Singapore. Chairman, Board, Nat'l Univ. Health System. Member, Board of Directors, Monetary Authority of Singapore. Fellow: Royal Coll. of Physicians; Royal Australasian Coll. of Physicians; American Coll. of Physicians; Polish Academy of Medicine; Royal Geographical Society, UK. Recipient of several awards.