He was the elected state legislative assemblyman for Bukit Nanas, Selangor from 1969 to 1974. Between 1974 and 1990, Lee served as the three-term and only Member of Parliament for Kuala Lumpur Bandar before it was abolished. Concurrently, he served a single term as state assemblyman between 1978 and 1982 for Serdang. His last political office prior to retirement in 1990 was as the Member of Parliament for Bukit Bintang.[2]
Between 2000 and 2001, Lee was appointed as a member of the Malaysian National Economic Consultative Council (MPEN) and chairman of Mapen II National Unity Committee. He was also elected a member of the Human Rights Commission of Malaysia from 2000 to 2002. Following that, Lee served as a member of the Improvement, Transportation and Management Royal Commission of the Royal Malaysian Police from 2004 to 2005.
NIOSH: upgrading safety standards in collaboration with industry. Fmm Seminar On Promoting Occupational Safety & Health Awareness In The Manufacturing Sector (1996)
Keluarga asas pembangunan bangsa. (1996)
Pembangunan dan alam sekitar. (1996)
Program Khidmat Sosial Negara: Melahirkan bangsa Malaysia yang berwawasan. (1996)