Teradyne Inc.

Michael Bradley is president and Chief Executive Officer of Teradyne, Inc. He joined the company in 1979 and has served in a variety of financial, marketing, and sales management positions with the company. From 1985 through 1990, he was the marketing manager for mixed-signal semiconductor test products. He led Teradyne’s first Total Quality Management office from 1991 to 1992. He was appointed vice president of North American Sales for semiconductor test products in 1993 and assumed responsibility for the Worldwide Semiconductor Test Sales organization in 1995. From 1999 to 2001, he served as Teradyne’s Chief Financial Officer and was named president of the Semiconductor Test Division in April of 2001. In 2003, he was appointed president of the company and in 2004 he assumed the additional role of Chief Executive Officer. Bradley serves on the Board of Directors of Entegris, Inc. and holds an AB from Amherst College and an MBA from the Harvard Business School.

Jeff Hotchkiss has been the president of the System Test Group, including the Commercial Board Test, Military/Aerospace Test, and Diagnostics Solutions business units since 2004. Prior to that, from 2000 to 2004 he served as the president and Chief Executive Officer of Empirix, Inc. From 1997 to 1999, he served as Chief Financial Officer of Teradyne, Inc. Prior to that, from 1990 to 1999, Hotchkiss served as a vice president of Teradyne in various sales, marketing, and division managerial positions. Hotchkiss has an engineering degree from Bucknell University and a Masters in management from The Sloan School at MIT.

Mark Jagiela joined Teradyne in 1982 as a design engineer, developing image sensor test systems. In 1989, he moved to Tokyo and served as general manager of Teradyne's Japan Division. He returned to the U.S. in 1999 as engineering manager for the VLSI Test Division in Agoura Hills, California. In 2001 he became worldwide marketing manager of Teradyne's semiconductor test products. In July of 2003, he was promoted to president of the Semiconductor Test Division. Jagiela graduated from the University of Michigan with a BSEE.

Greg Beecher has been the Chief Financial Officer of Teradyne since 2001. Prior to joining Teradyne, he was a National Accounting Consulting Partner with PriceWaterhouseCoopers LLP (PwC). Greg served on the Board of MatrixOne prior to it being acquired by Dassault Systems. At MatrixOne, he was the Audit Committee Chairman. Greg currently serves on the Board of MKS Instruments. Greg received a B.S. from the University of Hartford and a M.S. in Accounting from Northeastern University. He is also a Certified Public Accountant.

Ms. Casal has been the Vice President, General Counsel and Secretary of Teradyne since January 2003. Prior to that, she served as the Vice President, General Counsel and Corporate Secretary of GSI Lumonics, Inc. from May 2001 to January 2003. From April 2000 until March 2001, she served as Vice President, General Counsel and Corporate Secretary of Adero, Inc. Prior to that, she served as Vice President, General Counsel and Assistant Clerk of Teradyne from April 1999 to April 2000. From 1986 until March 1999, Ms. Casal held a number of legal positions at Stratus Computer, Inc., including Vice President, General Counsel and Clerk.

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Vincent M. O'Reilly was named chairman of the ISO New England Board in 2005. He previously served as the board's vice chairman. Mr. O'Reilly is a distinguished senior lecturer for the Wallace E. Carroll School of Management at Boston College and a member of the Board of Directors of Eaton Vance Corp., Teradyne Inc., and the Neiman Marcus Group. He is the retired executive vice chairman, chief operating officer and chairman of the Ethics & Business Conduct Committee for Coopers & Lybrand L.L.P. Mr. O'Reilly is the current vice chairman and former chairman of the board of the Dana-Farber Cancer Institute and serves as trustee and treasurer for the Boston Symphony Orchestra.