Ramasesha is a professor in the Solid State and Structural Chemistry Unit of the Indian Institute of Science, Bangalore. He obtained his PhD in 1977 from the Indian Institute of Technology, Kanpur. He was post-doctoral research associate at the Universities of Oxford and Princeton. He has been awarded the BM Birla science prize and Shanti Swarup Bhatnagar prize in chemistry. He is a J.C. Bose National fellow and fellow of the Indian Academy of Sciences and the Indian National Science Academy. His area of research is modeling electronic and magnetic and nonlinear optic phenomena in molecular materials and low dimensional extended systems. He has developed exact diagonalization methods to study molecular magnets, extended the density matrix renormalization group methods to study static and dynamic properties of electron states in conjugated polymers and spin chains.