Dr. S. S. RAJAGOPALAN
(1975 – 1991)
A. MUTHUKRISHNAN
(1991 – 2002)
R. NANDAKUMAR
(2002 – 2003)
S. RANGANATHAN
(2003 – 2006)
N. C. NANDAGOPALAN
(2006 – 2018)
P. NARAYANASWAMY
(2018 – PRESENT)
