Mr. Geller is a Partner and the Product Manager at CoreCommodity. Previously, Mr. Geller headed the commodity index business at Jefferies. In that capacity, he oversaw the design and implementation of investment strategies for sovereign wealth funds, pension funds, endowments & foundations and other prominent institutional investors. Mr. Geller serves as the Chairman for the Refinitiv/CoreCommodity CRB Index Oversight Committee and is acknowledged for his pioneering work on enhanced commodity indexes and commodity risk premia. Prior to joining the firm in 2004, Mr. Geller worked in the commodity department at AIG Trading Group and began his career in investment banking and private equity. He holds a B.A. with honors from the University of Pennsylvania and a M.B.A. with distinction from the Graduate School of Business at Columbia University. Mr. Geller also holds the CAIA designation.