 He is presently the Chancellor, Indian Institute of Space Science and Technology, IIST at Thiruvanthapuram and Honorary Distinguished Professor at ISRO HQ.He was President Indian National Academy of Engineering, INAE at Delhi, which is a premier engineering Academy in the Country for four years during 2015 to 2018.He served as the Director of Vikram Sarabhai Space Centre (VSSC), Thiruvananthapuram during the period 2003–2007.