Gopakumar was born in 1967 to Jaishree and G. Gopakumar in Kolkata. His family hails from the southern Indian state of
Kerala. He has the distinction of securing All Indian Rank 1 in the examination for
IIT-JEE in 1987. Gopakumar obtained his integrated
M.Sc. degree in
physics from the prestigious
IIT Kanpur in 1992. He completed his
Ph.D. from
Princeton University in 1997 under the supervision of
David Gross. After a few years as a research associate at
Harvard University, he joined HRI in 2001. He was also a visiting fellow at the
Institute for Advanced Study,
Princeton, New Jersey from 2001 to 2004. He is married to Rukmini Dey, a Professor of
Mathematical Physics and
Geometry at ICTS-TIFR. ==Research==