President of Singapore
The eighth and current president, Halimah Yacob, took office on 14 September 2017, becoming the first president elected as she was the sole eligible candidate under the new reform terms which took effect earlier that year. She is also the first female President of Singapore.
Devan Nair
Devan Nair Chengara Veetil (5 August 1923 – 6 December 2005), also known as C. V. Devan Nair, was a Malaysian-Singaporean politician. He served as the third President of Singapore. Before his presidency, Nair led the Singaporean trade union movement and founded the National Trades Union Congress in 1961. He had also founded the Democratic Action Party along with Chen Man Hin in Malaysia. He was elected by the Parliament of Singapore on 23 October 1981, and served as President until his resignation on 28 March 1985.