Biswajit Ray is a Phd student in the school of Electrical and Computer Engineering, Purdue university, West Lafayette, Indiana. He works with Prof. Muhammad Ashraf Alam in the area of polymer based solar cell. Before joining Purdue he did Masters from Indian Institute of Science, Bangalore, India in 2008 and Bachelors in Electrical and Electronics Engineering from National Institute of Technology, Trichy, India in 2006.