John began his career in trading shortly after graduating college. For over 15 years as a floor trader, John maintained options markets. At times, John would simultaneously juggle over 100 underlying securities’ options. For 10 years, beginning in 2003, he managed trading operations at some of the top trading companies. John managed risk from 1987 - 2000, re-calibrating in 2008, bringing a unique market; expertise, savvy and grit-to-bear techniques in... (login for more professional bio)