David Mitchell has served on the Board since April 2003 and brings to the Board years of management experience and financial expertise. Mr. Mitchell currently serves as a managing director with Transportation Resource Partners, a private equity business affiliated with the Penske Corporation, and has assisted in the firm’s investment activities since its formation in 2003. From May 2002 to July 2003, Mr. Mitchell served as a Vice President of Penske Corporation. From January 1999 to April 2002, Mr. Mitchell served as a partner in R.J. Peters and Company, a private equity investment and financial advisory company. From July 1994 to January 1999, Mr. Mitchell was a Senior Manager with Deloitte Consulting. Mr. Mitchell also currently serves as a director on the boards of directors of various private companies. Mr. Mitchell received an M.B.A. from the Stanford University Graduate School of Business and holds a B.S. in Chemical Engineering from the University of Notre Dame.