Engineer and scientist in the medical devices industry for over twenty years at Abiomed, Medtronic and Starkey. Developed artificial hearts, cardiac-assist devices, implantable and wearable sensors for pacemakers, defibrillators and hearing aids. B.Tech, Indian Institute of Technology, Kharagpur (1986); M.S, Case Western Reserve University (1988); Ph.D., Massachusetts Institute of Technology (1993); all in mechanical engineering.