Dr K Radhakrishnan has taken over as Director, Vikram Sarabhai Space Centre (VSSC) of the Indian Space Research Organisation (ISRO). He took over charge on November 30, 2007 from Dr B N Suresh, who is now the Director of Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram.

Dr Radhakrishnan is an Engineering Graduate from Kerala University (1970), MBA from Indian Institute of Management (1976), Bangalore and Doctorate from Indian Institute of Technology, Kharagpur (2000).

Dr Radhakrishnan started his career in ISRO as an avionics engineer at Vikram Sarabhai Space Centre in 1971. Later, he was the Director of Budget and Economic Analysis at ISRO Headquarters, Bangalore as well as Director of Regional Remote Sensing Service Centres. Subsequently, he was the Mission Director of Integrated Mission for Sustainable Development and Deputy Director of National Remote Sensing Agency (NRSA), Hyderabad of the Department of Space. From 2000-2005, he was the Director of Indian National Centre for Ocean Information Services (INCOIS), Hyderabad under the Department of Ocean Development (presently Ministry of Earth Sciences) and Project Director of Early Warning System for Tsunami and Storm Surges. In November 2005, Dr Radhakrishnan became Director of NRSA.

Dr Radhakrishnan was the Vice Chairman of Intergovernmental Oceanographic Commission of UNESCO and the founder Chairman of Indian Ocean Global Ocean Observing System (IOGOOS). He is a member of the Indian delegation to the UN Committee on Peaceful Use of Outer Space since June 2006.