Leader of the People's Action Party who was elected 7th President of Singapore in 2011. From 1995 to 2003, he had served his country as Minister of Defense.
Before receiving his PhD from the University of Adelaide, he earned a a Master's of Science from the Massachusetts Institute of Technology.
Before running for president, he served as Deputy Prime Minister and was also a longtime member of the Singapore Parliament.
His marriage to Mary Chee Bee Kiang produced three sons and one daughter.
During Tan's presidency, Lee Hsien-Loong served as Prime Minister of Singapore.