HUDSON, N.H., July 26 -- Presstek, Inc., a leading manufacturer and marketer of high-tech digital imaging solutions for the graphic arts markets, today announced the appointment of William C. Keller to the position of Senior Vice President, Operations, where he will be responsible for Presstek's manufacturing, supply chain, distribution and customer support organizations. Mr. Keller brings over 20 years of experience as an executive in both high-tech and traditional manufacturing. Prior to joining Presstek, Keller held key senior executive positions at Brooks Automation, Inc. in both the United States and Europe including, most recently, Senior Vice President of Global Operations, where he developed and structured U.S., European and Asian operations producing over $500 million per year of capital equipment for the semi-conductor equipment industry. In addition to Senior Vice President of Global Operations, Keller also held the positions of Vice President of Operations, Vice President and Director of European Operations at Brooks Automation and Vice President of Manufacturing Operations at PRI Automation. Keller holds a Masters in Business Administration from Boston University. "We are delighted to welcome Bill to Presstek's senior executive team," said Edward J. Marino, Presstek's President and Chief Executive Officer. "He has a proven record in planning and implementing a global operations strategy that has led to increased efficiency at lower production costs. Bill has extensive experience with manufacturing operations and supply chain management, as well as a strong international background. As a member of Presstek's senior executive team, we believe Bill will be a tremendous asset for our company, and will contribute to Presstek's growth and future development."