Pravin Pratap Varaiya (October 29, 1940 – June 10, 2022) was Nortel Networks Distinguished Professor in the Department of Electrical Engineering at the University of California, Berkeley. Varaiya received his B.Sc. from University of Bombay and his Ph.D. degree in electrical engineering in 1963 from University of California, Berkeley. Varaiya has worked in the areas of control, communication networks and transportation systems. He is the author of High-Performance Communication Networks (with Jean Walrand and Andrea Goldsmith) (2nd edn., Morgan-Kaufmann, 2000).