Sandip Trivedi (Hindi : सन्दिप त्रिवेदी ; born 1963) is an Indian theoretical physicist working at Tata Institute for Fundamental Research (TIFR) at Mumbai, India, where had been the director. He is well known for his contributions to string theory, in particular finding (along with Renata Kallosh, Andrei Linde, and Shamit Kachru) the first models of accelerated expansion of the universe in low energy supersymmetric string (see KKLT mechanism). His research areas include string theory, cosmology and particle physics. He is now member of program advisory board of International Center for Theoretical Sciences (ICTS). He is also the recipient of the Infosys Prize 2010 in the category of Physical Sciences.