Dr. Sudhir Aggarwal is a security researcher currently employed by Florida State University.
At DEFCON 16 he spoke about "Password Cracking on a Budget" alongside Matt Weir.
Writes research papers on security.
Works in the "Love" building.
http://www.defcon.org/html/defcon-16/dc-16-speakers.html#Weir
http://www.cs.fsu.edu/~sudhir/#_RESEARCH