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
Director

Michael C. Child has served as a member of our Board of Directors since September 2000. Since July 1982, Mr. Child has been employed by TA Associates, Inc., a private equity investment firm, where he currently serves as a Managing Director. Mr. Child holds a B.S. in Electrical Engineering from the University of California at Davis and an M.B.A. from the Stanford University Graduate School of Business. He is on the Board of Directors of Eagle Test Systems, Inc.
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
William F. Krupke Ph.D. Independent Director   Member of Compensation Committee Member of Nominating and Corporate Governance Committee
Igor Samartsev      
Eugene Shcherbakov Ph.D.