* Assistant Professor: Department of Biotechnology, IIT Madras, Chennai (August 2007-Present).
* Head Scientist: Department of Vascular Biology, Madras Diabetes Research Foundation, Chennai (October 2006-August 2007).
* Senior Scientist: Institute of Cardiovascular Physiology, J.W.Goethe University, Frankfurt am Main, Germany (October 2003-August 2006).
* Post-doctoral Fellow: Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, USA (October 2001-September 2003)