Donald M. Carlton, PhD, has been a member of the Company's Board of Directors since 1994. From February 1996 until December 1998, Dr. Carlton served as the president and CEO of Radian International LLC, and from 1969 until January 1996, Dr. Carlton served as president and chairman of the Board of Radian Corporation, both of which are environmental engineering firms. Dr. Carlton received his bachelor's degree in chemistry from the University of St. Thomas and his doctorate in chemistry from UT-Austin. Dr. Carlton is currently a director of the publicly traded companies American Electric Power, Trustee of SmithBarney/CITI Mutual Funds (26 Funds), and Temple-Inland, Inc. |