Shunmugam Jayakumar (; born 12 August 1939), often known as S. Jayakumar, is a Singaporean former politician, diplomat, lawyer and author who served as Deputy Prime Minister of Singapore between 2004 and 2009. A member of the governing People's Action Party (PAP), he was the Member of Parliament (MP) for Bedok SMC between 1980 and 1988, the Bedok division of Bedok GRC between 1988 and 1997, and later East Coast GRC between 1997 and 2011. Jayakumar served as Minister for Foreign Affairs between 1994 and 2004, Minister for Home Affairs between 1988 and 1994, Minister for Law between 1988 and 2008, Minister for Labour between 1984 and 1985, Senior Minister and Coordinating Minister for National Security concurrently between 2009 and 2011. He was appointed as Deputy Prime Minister in 2004 after Lee Hsien Loong stepped down as Deputy Prime Minister and take up the office of Prime Minister. He was serving as Deputy Prime Minister alongside Tony Tan and Wong Kan Seng. In June 2020, he was appointed Pro-Chancellor of the National University of Singapore. Education Jayakumar was educated at Raffles Institution before graduating from the University of Singapore (now the National University of Singapore) with a Bachelor of Laws with honours degree and was called to the Bar in 1964. He subsequently went on to complete a Master of Laws degree at Yale Law School in 1966. Career Academia career Upon his return to Singapore, Jayakumar took on a lecturing position in the Faculty of Law at the National University of Singapore between 1964 and 1981, assuming the position of Dean in 1974, which he held until 1980. Diplomatic career Jayakumar concurrently served as Singapore's Permanent Representative to the United Nations and Singapore's High Commissioner to Canada between 1971 and 1974. He was also a member of Singapore's delegation to the United Nations Convention on the Law of the Sea between 1974 and 1979. Jayakumar also authored three books and 32 articles on the topics of constitutional law, international law and legal education. Political career In 1980, Jayakumar was elected as the Member of Parliament (MP) representing the Bedok constituency. He remained as the MP for the Bedok constituency after the 1988 general election but this time under the newly created Bedok GRC. During the 1991 general election, he remained as the MP for the Bedok constituency but this time under the newly created East Coast GRC. He retained