Name Term start Term end Term length Ref (s) Sarabhai, Vikram Vikram Sarabhai 000000001963 - 01 - 01 - 0000 1963 000000001972 - 01 - 01 - 0000 1972 9! Nine years Menon, M.G.K. M.G.K. Menon 000000001972 - 01 - 01 - 0000 January 1972 000000001972 - 09 - 01 - 0000 September 1972 0.75! Nine months Dhawan, Satish Satish Dhawan 000000001972 - 01 - 01 - 0000 1972 000000001984 - 01 - 01 - 0000 1984 12! Twelve years Rao, U.R. U.R. Rao 000000001984 - 01 - 01 - 0000 1984 000000001994 - 01 - 01 - 0000 1994 10! Ten years Kasturirangan, K. K. Kasturirangan 000000001994 - 01 - 01 - 0000 1994 000000002003 - 08 - 27 - 0000 27 August 2003 9! Nine years Nair, G. Madhavan G. Madhavan Nair 000000002003 - 09 - 01 - 0000 September 2003 000000002009 - 10 - 29 - 0000 29 October 2009 6! Six years Radhakrishnan, K. K. Radhakrishnan 000000002009 - 10 - 30 - 0000 30 October 2009 000000002014 - 12 - 31 - 0000 31 December 2014 5! Five years Nayak, Shailesh Shailesh Nayak 000000002015 - 01 - 01 - 0000 1 January 2015 000000002015 - 01 - 12 - 0000 12 January 2015 0.03! 12 days Kumar, A.S. Kiran A.S. Kiran Kumar 000000002015 - 01 - 14 - 0000 14 January 2015 000000002018 - 01 - 14 - 0000 14 January 2018 0.03! 3 years Sivan, K. K. Sivan 000000002018 - 01 - 01 - 0000 January 2018 '
who is appointed as the chairman of isro
K. Sivan