John W. Poduska, Sr. (70) -- Mr. Poduska is a retired business executive. He was Chairman of Advanced Visual Systems, Inc., a provider of visualization software, from 1992 until 2002. Mr. Poduska is a director of Novell, Inc. and Safeguard Scientific, Inc. He was a director of Union Pacific Resources Group, Inc. from 1995 until 2000. Mr. Poduska has been a director of the Company since 2000.