Committee Composition
Chair of the Board = Chair of the Board Committee Chair = Chair Committee Member = Member Independent Director = Independent Director
  Audit Compensation Nominating and Corporate Governance
Valentin P. Gapontsev Ph.D. Chairman of the Board      
Robert A. Blair Independent Director   Committee Chair for Compensation Committee  
Michael C. Child Independent Director Member of Audit Committee   Committee Chair for Nominating and Corporate Governance Committee
John H. Dalton Independent Director     Member of Nominating and Corporate Governance Committee
Henry E. Gauthier Independent Director Member of Audit Committee Member of Compensation Committee  
William S. Hurley Independent Director Committee Chair for Audit Committee   Member of Nominating and Corporate Governance Committee
Director

William S. Hurley has served as a member of our Board of Directors since April 2006. Since April 2006, he has been principal of W.S. Hurley Financial Consulting LLC, which provides supplemental chief financial officer services. From 2002 to April 2006, he was a partner with Tatum LLC, a nationwide executive services and consulting firm. He was Senior Vice President and Chief Financial Officer at Applied Science & Technology, a developer, manufacturer and supporter of semiconductor capital equipment, from 1999 until 2001. He served as Vice President and Chief Financial Officer at Cybex International, Inc., a designer, manufacturer and distributor of fitness equipment, from 1996 to 1999. From 1992 to 1995, he was Vice President-Controller and Chief Accounting Officer at BBN Corporation, formerly known as Bolt, Beranek & Newman, Inc., a high technology company. Mr. Hurley holds a B.S. in Accounting from Boston College and an M.B.A. in Finance from Columbia University Graduate School of Business. Mr. Hurley is a certified public accountant.
William F. Krupke Ph.D. Independent Director   Member of Compensation Committee Member of Nominating and Corporate Governance Committee
Igor Samartsev      
Eugene Shcherbakov Ph.D.