Chris Arnade received a PhD in Physics from Johns Hopkins University. He joined Salomon Brothers in the Bond Portfolio group in 93 where he built credit models. In 95 he moved to the Emerging Markets trading desk where he traded options, bonds, credit derivatives, interest rates, and FX. He focused on proprietary trading from 06 until six months ago. Since then he has focused on photography and addiction.
http://blogs.scientificamerican.com/guest-blog/2013/02/27/why-its-smart-to-be-reckless-on-wall-street/?source=Patrick.net