Kenneth Andrew Jeyaretnam (born 1959) is a Singaporean politician and hedge fund manager who has been serving as the secretary-general of the opposition Reform Party since 2009. He is the elder son of J. B. Jeyaretnam, a prominent opposition politician in Singapore who founded the Reform Party in 2008. A Cambridge graduate with a double first class honours degree in economics, Jeyaretnam started his career in the financial sector and has worked at Wardley, Continental Bank, Banque Indosuez and Nomura International before becoming a hedge fund manager.