Chairman of the Indian Space Research Organisation

The Chairman of the Indian Space Research Organisation is the highest-ranked official of the Indian Space Research Organisation (ISRO). He is secretary to government of India and executive of Department of Space (DOS) which directly reports to the prime minister of India.
The Indian National Committee for Space Research (INCOSPAR) was founded in 1962 under Department of Atomic Energy (DAE) with Vikram Sarabhai as its chairperson which in 1969 became ISRO. In 1972, government of India had set up a space commission and DOS and brought ISRO under DOS.
Since Sarabhai has assumed the position, there have been ten chairmen of the ISRO, with Prof. Satish Dhawan serving the longest term of 12 years as the chairman.