Professional Experience:
- April 2009 onwards - Professor, Indian Statistical Institute, Kolkata.
- January - May 2010 - Adjunct Professor, Department of Computer Science and Engneering, IIT Kharagpur.
- June 1999 - March 2009 - Associate Professor, Indian Statistical Institute, Calcutta.
- April 20 – May19, 2005 - Visiting Faculty, Intel India Design Center, Bangalore.
- Aug. 2002 – Jan. 2003 - Visiting Faculty, Intel Corporation, USA (on academic leave from ISI)
- May 1993 – June 1999 - Reader, Department of Computer Science and Engineering,Jadavpur University,Calcutta.
- Feb. - Aug. 1997 - Visiting Scientist, Indian Statistical Institute, Calcutta.
- Feb.1996 - Feb. 1997 - Visiting Associate Professor, I.S.I., Calcutta.(on lien from Jadavpur University Calcutta)
- Aug. 1989 - May 1993 - Senior Research Fellow, I.S.I., Calcutta.
- Feb. - Oct. 1992 - Postdoctoral Fellow, Univ. of Nebraska-Lincoln, U.S.A.
- Aug. '87 - July '89 - Junior Research Fellow, I.S.I. Calcutta.