Principal Researcher in Quantitative Finance, Renaissance Technologies LLC. I work in the field of Quantitative Finance. I have also been a Management Consultant and used to be an Astrophysicist before that. I got my PhD (2006-2012) at the Tata Institute of Fundamental Research. I was a Junior Fellow (2012-2015) at the Society of Fellows and an ITC Fellow at the Center for Astrophysics, of the Harvard University. My area of research involved, massive stars which explode as Supernovae at the end of their lives.