Bachelor of Medicine, BChir, National University Singapore, 1998.
Medical officer Singapore Health Services, 1999—2003, infectious diseases registrar, 2003—2005. Assistant professor National University Singapore, since 2006. Council member Gerson-Lehrman Group Health Care Council, New York City, since 2004.
Expert contributor Logical Images Inc, Rochester, New York.
Member of Royal College Physicians United Kingdom, Network for Antimicrobial Resistance Surveillance (chairperson 2005-2007), American Society Microbiology, Singapore Medical Association, Society Infectious Diseases (life).