Yagnaswami Sundara Rajan

Y. S. Rajan
YS Rajan in 2010
Born	(1943-04-10)10 April 1943 (in modern Karnataka State), British Indian Empire
Citizenship	India
Nationality	Indian
Fields	Physics
Institutions	Indian Space Research Organisation
Influenced	Mission Reach, Beyond 2020
Notable awards	Padma Shri (2012)
Spouse	Gomathi

Yagnaswami Sundara Rajan or Y. S. Rajan (born 10 April 1943) is an Indian professor, scientist and administrator. He is Honorary Distinguished Professor in Indian Space Research Organisation. He has made major contributions to various aspects of management of Science, Technology and Innovation. In 2012, He has been awarded with Padma Shri for his contribution in Science and Engineering. He is one of the well known scientists, who has closely worked with Abdul Kalam, former President of India.

He was born on April 17, 1944 in Kottaram near Tirunelveli, although his recorded date of birth is April 10, 1943. His mother's name is Visalakshi and father's name is S Yagnaswami. His parents moved to Bombay, and Dr. Y S Rajan went on to do his schooling and later college education here. He received his master's degree in Physics from the University of Bombay in 1964. He started his career as a research scholar at Physical Research Laboratory.

He went on to hold several position including scientific secretary positions in Department of Space, Indian Space Research Organisation. He contributed in areas like STI administration, institution building, diplomacy, strategic studies, environmental technologies and natural resources management. He was elected as Member of International Academy of Astronautics (IAA) (1986). He was the first Executive Director of Technology Information and Forecasting and Assessment Council (TIFAC), since (1988-2002) and executed Mission REACH, an initiative of TIFAC. He has held several senior positions in National Natural Resources Management System, Confederation of Indian Industry. He also served as Vice-Chancellor in Punjab Technical University (PTU), Scientific Adviser to Punjab Chief Minister, Chairman of the Board in Nalanda University and Adjunct Professor in Birla Institute of Technology & Science (BITS), Pilani.