K S Subramanian a former officer of the Indian Police Service, is Senior Fellow at Schumacher Centre for Development, New Delhi. He has worked as Assistant Director of the Intelligence Bureau (1967-72); Director, Research and Policy Division, Union Home Ministry, New Delhi (1980-85); Professor, Indian Institute of Public Administration, New Delhi (1991-93); Director General, State Institute of Public Administration and Rural Development, Government of Tripura (1993-97); and Professor, Academy of Third World Studies, Jamia Millia Islamia, New Delhi (2002-03). He has been a Visiting Fellow at the Indian Institute of Advanced Study, Shimla (1973-75); Queen Elizabeth House, Oxford (1983-84); Centre for Contemporary Studies, Nehru Memorial Library, Teenmurti House, New Delhi (1986-91); and Institute of Development Studies, Sussex (1989-90). He was a member of the Concerned Citizens Tribunal-Gujarat 2002.

He has authored Parliamentary Communism: Crisis in the Indian Communist Movement (1989) and contributes regularly to various national newspapers and journals. His current research interests include the role of voluntary action in rural development.