Teaching Assistant Piyush Dak graduated with a dual degree (B.Tech+ M.Tech.) in Engineering Physics from Indian Institute of Technology, Bombay, India in 2010. He is currently pursuing a PhD degree in Electrical Engineering under the guidance of Professor Muhammad Ashraful Alam at Purdue University. His research interests include simulation and modeling of micro/nano-scale devices for non-volatile memories and portable, wearable and implantable electronic biosensors. He is also involved in development of compact models of nano-scale biosensors as part of the NEEDS program.