Teo Chee Hean

Teo Chee Hean PPA(E) (Chinese: 张志贤; Pe̍h-ōe-jī: Tioⁿ Chì-hiân; pinyin: Zhāng Zhìxián; born 27 December 1954) is a Singaporean former politician and two-star rear-admiral who served as Senior Minister of Singapore and Coordinating Minister for National Security from 2019 and 2015 respectively until 2025. He served as the Member of Parliament (MP) representing the Pasir Ris West division of Pasir Ris–Punggol GRC from 2001 to 2025.

A recipient of the President's Scholarship and Singapore Armed Forces Overseas Scholarship, Teo served in the Republic of Singapore Navy (RSN) between 1972 and 1992, and attained the rank of Rear-Admiral (Two-Star). He served as Chief of Navy in 1991 and 1992 before leaving the Navy and entering politics.

He made his political debut in the 1992 by-election in Marine Parade GRC as part of a four-member PAP team. He had served as 6th Deputy Prime Minister between 2009 and 2019, Minister for the Environment between 1995 and 1997, Minister for Education between 1997 and 2003, Minister for Defence between 2003 and 2011 and Minister for Home Affairs between 2011 and 2015. Teo was part of the ministerial committee of the Smart Nation and Digital Government Group (SNDGG). As Senior Minister, Teo had served as acting prime minister in several occasions, during Prime Minister Lee Hsien Loong's absence.

Within the PAP, Teo was First Assistant Secretary-General in the party's Central Executive Committee (CEC) before he was succeeded by Heng Swee Keat in November 2018.