1978-79, studies, National Junior College; graduate in Medicine, National University of Singapore; postgraduate training in Ophthalmology; 1991, Fellow, Royal College of Surgeons of Edinburgh. 1993-95, with Moorfields Eye Hospital, London; Consultant Ophthalmologist, Singapore National Eye Centre; 1999, Medical Director, Singapore National Eye Centre; 2000-01, Chief Executive Officer, Singapore General Hospital; 2001, Member of Parliament for Holland-Bukit Panjang, GRC; 2002, Minister of State for National Development; 2003, Minister of State for Trade and Industry; 2004, Acting Minister for Community Development, Youth and Sports; 2005, Minister for Community Development, Youth and Sports and Second Minister for Trade and Industry; 2006, Member of Parliament for Holland-Bukit Timah, GRC. Former Council Member, Singapore Medical Association. Former Member National Library Board.