Thambirajah Tharmadurai (born 22 April 1948), better known as T.
T.
Durai, is a Singaporean who formerly served as the chief executive officer (CEO) of the non-profit health organisation National Kidney Foundation Singapore (NKF).
The central figure in the 2005 National Kidney Foundation Singapore scandal, he was ultimately convicted for deceiving the NKF into paying S$20,000 to his interior designer friend, and sentenced to a three-month jail term.