Ronald T. Nixon has served as a director since July 2001. Mr. Nixon is a founding principal of The Catalyst Group, formed in 1990, which has managed two small business investment companies, or SBICs, one participating preferred SBIC and six private equity investment funds. Prior to joining The Catalyst Group, Mr. Nixon operated companies in the manufacturing, distribution and service sectors. Mr. Nixon has served or currently serves on the boards of directors of numerous private companies. Mr. Nixon holds a Bachelor of Science degree in Mechanical Engineering from the University of Texas at Austin and is a registered Professional Engineer in the State of Texas.