June 9, 2006 – GSI Group, a supplier of motion control and laser-based manufacturing systems, has hired Sergio Edelstein as its new president and CEO, succeeding Charles Winston who held the roles for 18 years. Edelstein most recently was group VP of KLA-Tencor’s e-beam and films product group, and previously held several GM positions at Applied Materials. “Dr. Edelstein has the ideal credentials to lead GSI’s executive management team. His deep technical knowledge, leadership skills, extensive experience, and understanding of our markets will enable GSI to reach the next level,” stated GSI board chairman Richard Black.