Jaikumar Radhakrishnan (born 30 May 1964) is an Indian computer scientist specialising in combinatorics and communication complexity. He has served as dean of the School of Technology and Computer Science at the Tata Institute of Fundamental Research, Mumbai, where he is currently a professor.He obtained his B.Tech degree in Computer Science and Engineering from the Indian Institute of Technology, Kharagpur in 1985 and his PhD in Computer Science from Rutgers University, NJ, USA in 1991.