* Associate Professor: Department of Biotechnology, Indian Institute of Technology Madras, Chennai-600036 (July 2010- Present).
* Assistant Professor: Department of Biotechnology, Indian Institute of Technology Madras, Chennai-600036 (December 12, 2005- June 2010).
* Research Associate: Albert Einstein College of Medicine, (October 2000 - November 2005).
* Post Doctoral Fellow: Department of Physiology, UT Southwestern Medical Center at Dallas, Texas. (January 2000 - September 2000).
* Post Doctoral Fellow: Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Israel. (1998-1999).