Gopalakrishna Thyagarajan is currently Scientific Secretary of COSTED and Head of COSTED International secretariat in Chennai (Madras). A doctorate in organic chemistry, he did post-doctoral research at the university of california, Berkeley and was Visiting Scientific at the National Institutes of Health, Bethesda, Maryland, USA. He completed a long scientific career in the Council of Scientific and Industrial Research (CSIR), India and headed three of its larger national laboratories: Regional Research Laboratory (RRL), Jorhat, Assam (1974-80); RRL (now Indian Institute of Chemical Technology), Hyderabad 1981-84; Central Leather Research Institute, Madras 1985-94.

During his tenure as Director CLRI, he has initiated number of programmes/projects and worked very closely with Indian Leather Sector. He made significant contribution in the form of adding number of facilities in CLRI and guided several research programmes. He has served in high level government policy planning committees in India and advised international development agencies. He held the offices of Science Advisor to the Commonwealth Secretary-General and Secretary of the Commonwealth Science Council, London during 1987-1991.

His fields of interest are chemistry and technology of bulk drugs and pesticides, technology forecasting, IPR issues, chemical safety and international science and technology co-operation.