About
Sellapan Ramanathan, commonly known as S. R. Nathan, was a Singaporean civil servant, diplomat, and politician. He served as the sixth president of Singapore from 1999 to 2011, making him the longest-serving president in the country's history. Before becoming president, Nathan held key positions in the public service, including roles in the Ministry of Foreign Affairs and the Security and Intelligence Division (SID). He was also Singapore's High Commissioner to Malaysia and Ambassador to the United States.
Career Timeline
Director, Security and Intelligence
Key role in national security.
High Commissioner to Malaysia
Strengthens diplomatic ties.
Ambassador to United States
Elevated diplomatic role boosts profile.
President of Singapore
Ascends to the highest office.
Longest-Serving President
Breaks record; net worth grows.
Retirement from Presidency
Leaves office after two terms.
Death of S.R. Nathan
Legacy as a dedicated public servant.
Remembered as Respected Leader
Legacy remains strong in Singapore. Net worth reflects lifetime of public service.
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Last updated: February 25, 2026