JEOL USA, Inc. recently announced the appointment of Robert T. Santorelli to the position of president and chief operating officer. A member of the company's board of directors, Santorelli was previously executive vice president and general manager of JEOL's Electron Optics, Semiconductor and Analytical Instruments divisions. He has over 16 years of experience in senior level management at the company and 14 years in sales and marketing management. Santorelli replaces Kazuyoshi Yasutake, who has been promoted to chairman and chief executive officer. JEOL instruments are used throughout the world for research and manufacturing applications in the materials, semiconductor, forensics, pharmaceutical, biotechnological and chemical fields.