S. R. Nathan

Sellapan Ramanathan, usually referred to as S. R. Nathan, was a Singaporean politician who was the sixth President of Singapore and the commander-in-chief of the Singapore Armed Forces serving a twelve-year term from 1 September 1999 to 31 August 2011, having been elected in uncontested elections in the 1999 Singaporean presidential election and in the 2005 Singaporean presidential election when former president Ong Teng Cheong stepped down from the position. In 2009, he surpassed Benjamin Sheares to become Singapore's longest-serving President. He was reportedly considering re-election, but announced on 2 July 2011 that he would not run for re-election. He was Singapore's longest-serving president.