S. Kesavan is Adjunct Professor at the Indian Institute of Technology Madras, Chennai, India. He received his Docteur-es-Sciences Mathematiques from the Universite Pierre et Marie Curie (Paris VI) in 1979 for the thesis entitled “Sur l’approximation de probl`emes lineaires et nonlineaires de valeurs propres”, supervised by Professors J.L. Lions and P.G. Ciarlet. Earlier, he was a Deputy Director of Chennai Mathematical Institute (CMI) during 2007–2010; TIFR Centre for Applicable Mathematics, Bengaluru, India. His research areas include partial differential equations, homogenization, control theory and isoperimetric inequalities.
Author of 5 books, Prof. Kesavan has published more than 50 papers in national and international journals and several contributions to conference proceedings. He was elected Vice-President of the Ramanujan Mathematical Society in 2016 (served from 2016–2019); Fellow of the Indian Academy of Sciences, Bengaluru; Fellow of the National Academy of Sciences, India; Member of the National Board of Higher Mathematics (NBHM) (from 2000–2019); and Secretary, Grants Selection; Commission for Developing Countries, International Mathematical Union (from 2011–2018). He is Recipient of the C.L. Chandna Award for Outstanding Contributions to Mathematics Research and Teaching (1999) and Tamil Nadu Scientist Award, awarded by the Tamil Nadu State Council for Science and Technology, in Mathematical Sciences (1998).