Civil Engineering (honorary), University Singapore, 1980. Doctor of Philosophy., Stanford University, 1989. Post-doctoral fellow, Cornell University, 1989.
Structural engineer Bylander Meinhardt Partnership, 1980—1984. Research scientist Department of Civil Engineering at the National University Singapore, 1990—1991. Senior lecturer Department of Industrial and Systems Engineering, University Singapore, 1991—1997.
Member Parliament, Jalan Besar Grp. Republican Constituency (GRC), since 1997. Government parliamentary committee member Ministry of Information and Arts, Ministry of Community Development, 1997—1998.
Parliamentary secretary Ministry of Communications and Information Technology, 1998—2001, senior parliamentary secretary, 2001. Mayor Center Singapore district, 2001. Minister of state Community Development and Sports, 2001—2003.
Acting minister, minister-in-charge Muslim Affairs, since 2002. Minister Community Development and Sports, 2003—2004, Environmental and Water Resources, since 2004. Board member Civil Service College, National Heritage Board, STV12 Pte Ltd., and Temasek Polytechnic.
Trustee NTUC Income (union-linked cooperative). Vice-chairman People's Action Party's Center Executive Committee.
Council member Majlis Ugama Islam Singapura (MUIS), 1992—1996. Board member Yayasan Mendaki (Council for the Development of Singapore Muslim Community), 1993, chairman, since 2002.
Married; 2 children.