Ronald T. Nixon has served as a director since 2001. Mr. Nixon is a founding principal of The Catalyst Group, which has managed two small business investment companies, 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 presently serves on the boards of directors of numerous private companies. Mr. Nixon holds a bachelor's degree in mechanical engineering from the University of Texas at Austin and is a registered professional engineer in Texas.