| Eddie Teo | |
| Office: | Chairman of the Council of Presidential Advisers |
| President: | Halimah Yacob Tharman Shanmugaratnam |
| Term Start: | 2 January 2019 |
| Predecessor: | J. Y. Pillay |
| Office1: | Chairman of the Public Service Commission |
| Deputy1: | Lee Tzu Yang |
| Term Start1: | 2008 |
| Term End1: | 31 July 2018 |
| Predecessor1: | Andrew Chew Guan Khuan |
| Successor1: | Lee Tzu Yang |
| Office2: | Singapore's High Commissioner to Australia |
| Term Start2: | 2006 |
| Term End2: | 2008 |
| President2: | S. R. Nathan |
| Primeminister2: | Lee Hsien Loong |
| Office3: | Permanent Secretary in the Prime Minister's Office |
| Term Start3: | 1998 |
| Term End3: | 2005 |
| Primeminister3: | Goh Chok Tong Lee Hsien Loong |
| Office4: | Permanent Secretary for Defence |
| Term Start4: | 1994 |
| Term End4: | 2000 |
| Minister4: | Tony Tan |
| Office5: | Director of the Internal Security Department |
| Term Start5: | 1982 |
| Term End5: | 1986 |
| Primeminister5: | Lee Kuan Yew Goh Chok Tong |
| Predecessor5: | Lim Chye Heng |
| Successor5: | Tjong Yik Min |
| Office6: | Director of the Security and Intelligence Division |
| Term Start6: | 1979 |
| Term End6: | 1994 |
| Primeminister6: | Lee Kuan Yew Goh Chok Tong |
| Predecessor6: | S. R. Nathan |
| Successor6: | Choi Shing Kwok |
| Birth Date: | 1947 5, df=y |
| Birth Place: | Colony of Singapore, British Malaya |
| Alma Mater: | University of Oxford (BA) London School of Economics (MS) |
Eddie Teo Chan Seng is a Singaporean civil servant who has been serving as Chairman of the Council of Presidential Advisers since 2019.
A President's Scholar, Teo graduated from the University of Oxford in 1970 with a Bachelor of Arts degree in philosophy, politics and economics (PPE).
He subsequently went to complete a Master of Science degree in international relations at the London School of Economics in 1974.
Teo joined the Security and Intelligence Division (SID) in 1970, before becoming Director in 1979, a post he served until 1994. From 1982 to 1986, he held the position of Director of the Internal Security Department concurrently.
He was Permanent Secretary for Defence from 1994 to 2000 and Permanent Secretary in the Prime Minister’s Office from 1998 to 2005. He was Singapore's High Commissioner to Australia from 2006 to 2008.
He served as Chairman of the Public Service Commission from 2008 to 2018, Chairman of the Presidential Council for Religious Harmony from 2017 to 2019 and Senior Advisor of Temasek International Advisors Pte Ltd from 2019 to 2020.
Teo was appointed as Chairman of the Council of Presidential Advisors on 2 January 2019.[1]
Teo retired in 2005, after 35 years of public service. For his contributions to the Singapore Public Service, Teo was awarded the Public Administration Medal (Gold) in 1983, the Meritorious Service Medal in 1997, the Distinguished Service Order in 2006 and the Order of Nila Utama in 2017.[2]