Keith Crandell has served as a member of our Board of Directors since January 2002. Mr. Crandell has served as managing director of ARCH Venture Partners, a venture capital firm, since July 1994. He also serves as a director of Apropos Technology, Inc., a customer relationship management software company. Mr. Crandell holds an M.B.A. from the University of Chicago, an M.S. in chemistry from the University of Texas at Arlington, and a B.S. in chemistry from St. Lawrence University |