He received his B. Tech. from IIT, Kanpur, India, and subsequently a Ph D. from Cornell University, both in Mechanical Engineering. After working at NASA Ames for four years, he joined Stanford in 1990. He has received the F. N. Frenkeil Award from the American Physical Society, Division of Fluid Dynamics, and the NSF Presidential Young Investigator Award. He is an Associate Editor of the Journal of Fluid Mechanics, and a member of the Executive Committee of the APS Division of Fluid Dynamics. Last year he received Best Paper awards from both ASME and the AIAA.