GSCI Collateralized Futures

Vice president of the Consulting Services Group of Ibbotson Associates, Inc. in Chicago. He was previously on the faculty of Texas A&M University, and was a senior consultant for Manufacturers Hanover Trust Co. Mr. Lummer holds a B.S. in mathematics and a Ph.D. in finance from Purdue University.

A consultant and managing director of Ibbotson Associates, Inc., an investment research and consulting firm that he co-founded with Professor Roger G. Ibbotson. Mr. Siege1 holds a B.A. in urban studies and an M.B.A. in finance and economics from the University of Chicago.