Andrew M. Rosenfield, an economist and a lawyer, was educated at Kenyon College, Harvard University, The University of Chicago, and The University of Chicago Law School. Mr. Rosenfield is a Managing Partner of Guggenheim Partners LLC and Chairman of Guggenheim Investment Advisors. He was formerly CEO of UNext, an internet education firm that he founded in 1998.. Prior to forming UNext, Mr. Rosenfield was President and Chairman of Lexecon Inc., a firm that he co-founded in 1977 with Richard A. Posner (now Judge of the U.S. Court of Appeals for the Seventh Circuit) and William M. Landes (the Clifton R. Musser Professor of Economics at the University of Chicago). Mr. Rosenfield also is active in the Chicago community and is a member of the Board of Trustees of The University of Chicago and Vice Chairman of the Board of Trustees of the Art Institute of Chicago.