He also prevented the CBOT Board of Directors and former CBOT Chairman Paul McGuire from aborting the introduction of options on ag-futures with his passionate lecture about game-theory and the prisoner's dilemma scenario for ag options.
After leaving the CBOT he worked for one of the top primary government-trading firm, Discount Corporation of New York Futures, in their Chicago office as an analyst, adviser, and researcher for five years (1987-1992).