 He obtained his PhD in theoretical seismology from the Hawaii Institute of Geophysics, University of Hawaii at Manoa.After finishing his PhD, Sen worked with Woodward-Clyde Consultants in Pasadena, California for two years (1987-1989) after which he joined Institute for Geophysics (UTIG), University of Texas at Austin where he is currently based.He was appointed a professor at DGS in 2004 and currently holds the John A. and Katherine G. Jackson Chair in Applied Seismology.