William P. Powell has served on the Board of Cytec Industries since January 2004. He currently serves as Chairman of the Compensation Committee and as a member of the Finance Committee. Since 1993, Mr. Powell has also been a director of Cytec Industries, a global specialty chemicals and materials company, where he chairs the governance committee and has served on the audit committee. He has also served on the board of directors of International Executive Service Corp, a nonprofit economic development organization, since 1999. Until May 2007, Mr. Powell was a managing director of Williams Street Advisors, a New York City-based merchant banking boutique. Mr. Powell resigned from William Street Advisors to establish a family office, 535 Partners LLC. Mr. Powell serves as managing partner of 535 Partners LLC.