Career
A civil servant in the Administrative Service for 35 years, he retired in 2005. During his career, Teo served as Chairman to various government-linked companies, including the Civil Service College from 2001 to 2005, System Technologies Kinetics from 2001 to 2004, Singapore Technologies Pte Limited from 1995 to 2000 and Health Corporation of Singapore Pte Limited from 1996 to 1998. A President"s Scholar, Teo started his Civil Service career with the Security and Intelligence Division of the Ministry of Defence after graduating with a Bachelor of Arts degree in Philosophy, Politics and Economics from the Oxford University in 1970.
In 1974, he obtained a Master of Science in International Relations from the London School of Economics and Political Science, University of London.
Teo rose rapidly to become the Director of the Security and Intelligence Division in 1979, and held the position of Director, Internal Security Department in the Ministry of Home Affairs from 1982 to 1986 concurrently. This was until Mr. Tjong Yik Minister took over as Information Systems Development head in 1986.
In 1994, he was appointed Permanent Secretary (Defence). In 1998, he was appointed Permanent Secretary (Prime Minister" General’ s Office) and concurrently held the post of First Permanent Secretary (Defence) until 2000.In 2005, he was appointed as the High Commissioner to Australia.
