- Member of Parliament Labis, W.E.F 2004.
- Chairman Of Johor Malaysia Chinese Association (MCA).
- Chairman, MCA Batu Pahat Division, Johor since 1985.
- Member MCA Central Committee since 1996.
- Member of MCA Presidential Council.
- Elected MCA Deputy President on 18 October 2008
- Elected MCA President on 28 March 2010.
- Deputy Chairman, Endau-Rompin Park Board, Johor.
- Chairman, Johor State Wild Elephants Relocation Committee.
- Chairman, Johor State Japanese Encephelitis JE/Nipah Task Force since 1999.
|1973-1974||Houseman, Johor Bahru General Hospital, Johor.|
|1974-1976||Medical Officer, Batu Pahat District Hospital, Johor.|
|Oct 1990||Member Johor State Executive Council (EXCO – 1st term).|
|Chairman Science,Technology and Human Resources Committee, Johor EXCO|
|Jan 1992||Chairman Environment and Consumer Affairs Committee, Johor EXCO|
|May 1995||Member Johor State Executive Council (EXCO – 2nd term)|
|Chairman Environment and Consumer Affairs Committee, Johor EXCO|
|Dec 1999||Member Johor State Executive Council (EXCO – 3rd term)|
|1999-2004||Chairman Tourism and Environment Committee, Johor EXCO|
|2004-Jan 2008||Minister of Health, Malaysia|
|1979||Pingat Ibrahim Sultan (PIS) – Johor State Government|
|1988||Pingat Pangkuan Negara (PPN) – Federal Government|
|1997||Darjah Mahkota Yang Amat Mulia Pangkat Ketiga (SMJ)-Johor State Government|
|1999||DPMJ (Dato’) – Johor State Government|
|2005||FRCPI (Fellowship)– Royal College of Physician, Ireland|
|2006||SPDK (Datuk Seri Panglima) – Sabah State Government|
|2006||DGSM (Datuk Seri) – Melaka State Government|