· Director, National Institute of Biomedical Genomics2018–2022
· Professor, Indian Institute of Science1998–
· Assistant Research Virologist, UCLA1994–1998
· Post doctoral Research Scholar, Molecular virology of Poliovirus, University of California, Los Angeles1991–1994
· Ph.D. University of Calcutta, Biochemistry and Molecular Biology, Indian Institute of Chemical Biology1986–1992
· Research Fellow, Bose Institute1985–1986
· Master of Science (M.Sc.), Biochemistry, University of Calcutta1984–1986