Mark H Rachesky

Mark H. Rachesky, M.D. has served as a member and Chairman of our Board since August 2004. Dr. Rachesky is the co-founder and president of MHR Fund Management LLC, which is an investment manager of various private investment funds that invest in inefficient market sectors, including special situation equities and distressed investments. From 1990 through June 1996, Dr. Rachesky served in various positions at Icahn Holding Corporation, including as a senior investment officer and for the last three years as sole managing director and acting chief investment advisor. Dr. Rachesky serves as a member and chairman of the board of directors of Loral Space & Communications, Inc. (NASDAQ: LORL), and as a member of the boards of directors of Emisphere Technologies, Inc. (NASDAQ: EMIS), Neose Technologies, Inc. (NASDAQ: NTEC) and NationsHealth, Inc. (NASDAQ: NHRX). Dr. Rachesky holds a B.S. in molecular aspects of cancer from the University of Pennsylvania, an M.D. from the Stanford University School of Medicine, and an M.B.A. from the Stanford University School of Business. From 1990 to 1996, Rachesky worked for Icahn. Early in his career, he worked for Robert Bass, the Texas-born investor