Dr. Stephen Hsu is professor of theoretical physics at the University of Oregon. He received a Ph.D. from the University of California, Berkeley in 1991 and B.S. from the California Institute of Technology in 1986. He was a Harvard Junior Fellow and assistant professor at Yale University before moving to the University of Oregon in 1998. His research interests range from quantum physics and cosmology to financial mathematics and information security. He was co-founder and CEO of SafeWeb Inc., a pioneer in the SSL-VPN security appliance market, which was acquired by Symantec on October 15, 2003. In 2005 he co-founded Robot Genius, Inc., a security software company based in silicon valley.