Henry W. Sullivan was elected Vice President of Technology of the Company in July 1996 and President of the Company�s subsidiary TieTek in December 1997. Mr. Sullivan assumed the additional positions of President and Chief Executive Officer of the Company from July 1999 until his resignation in January 2004, then again from November 2004 until his resignation in December 2005. He has served on the Board of Directors since 1997 (except for the period from January until November 2004) and as Chairman of the Board since November 2004. Before joining the Company, Mr. Sullivan was employed by Huntsman Chemical and Shell Oil Company in various positions, most recently as Vice President of Shell Chemical Company. He currently serves as a director of the Sarkeys Energy Center at the University of Oklahoma. Mr. Sullivan holds a Bachelors degree in Chemical Engineering from Cooper Union, and Masters and Ph.D. degrees in Chemical Engineering from New York University. |