Leslie Rosenthal

Leslie (Les) Rosenthal was a founder and managing member of Rosenthal Collins Group. He died on September 16, 2017 at the age of 84 Rosenthal began his career as a runner at the Chicago Board of Trade (CBOT) in 1951 and started his own firm, Rosenthal & Co., in 1970, serving financial and agricultural customers. He was elected to two consecutive terms as chairman of the CBOT in 1981 and 1982 and was a founding member of the National Futures Association (NFA) Rosenthal & Co, a clearing firm, merged with Collins Commodities in 1988 to create Rosenthal Collins Group. In 1989, Rosenthal ran for chairman of the CBOT again on a platform to turn the exchange into a for-profit company instead of a member-owned-country-club-like organization. He also suggested the exchange explore joint ventures with exchanges in other countries Mr Rosenthal is survived by his wife Harriet (nee Gross), sons David and Andrew, and daughter Arla, along with grandchildren Jack, Noah, Taylor and Sloane.