Mr. Bradley has been Chief Executive Officer and a member of the Board of Directors since 2004. He also served as President of Teradyne from May 2003 to January 2013. From 2001 to 2003 he was President of the Semiconductor Test Division. During his 33 year career, he has held a variety of senior leadership positions in finance, marketing, and sales management at Teradyne.

Mike also serves on the Board of Directors of Entegris, Inc. and Avnet, Inc. as well as the Massachusetts High Technology Council. He holds an AB degree from Amherst College and an MBA from Harvard Business School.

Mr. Beecher has been Teradyne's Chief Financial Officer since 2001 and the Treasurer since 2007. He oversees the company's Finance, Treasury and Accounting Control, Operating, Real Estate, Information Technology, and Human Resource functions.

Prior to joining Teradyne, Greg was a partner at PriceWaterhouse Coopers LLP (PwC). At PwC, he served in the National Office, where he offered consulting on complex accounting matters. Over his 18 year public accounting career, he led audits and internal control engagements with numerous technology companies. Additionally, he served on the Board and was the Audit Committee Chairman of MatrixOne, a leading software product life cycle company, prior to its acquisition by Dassault Systems in 2006. He currently serves on the Board of Directors of MKS Instruments and is the Audit Committee Chairman.

Greg received a B.S. from the University of Hartford and M.S. in Accounting from Northeastern University.

Mr. Gray is vice president, general counsel and secretary of Teradyne with responsibility for the worldwide legal affairs of Teradyne. Charles joined Teradyne from Sonus Networks where he was Vice President and General Counsel from 2002 to 2008. Prior to Sonus, he served as General Counsel of Appian Communications and ArrowPoint Communications. He was Associate General Counsel at Wang Global from 1996 through its acquisition by Getronics in 1999. He began his career as a trial attorney at Hale and Dorr from 1988 to 1996, where he specialized in technology and antitrust litigation. Prior to entering private practice, he clerked for The Honorable J. Lawrence Irving in the United States District Court for the Southern District of California.

Charles is a graduate of Georgetown University and Boalt Hall School of Law at the University of California, Berkeley.

Mr. Jagiela has been the President of Teradyne since January 2013 and the President of the Semiconductor Test Division since 2003. Prior to this role, he was the worldwide marketing manager of Teradyne's semiconductor test products from 2001 to 2003. Mark joined Teradyne in 1982 as a design engineer, developing image sensor test systems. From 1989 to 1999 he served as general manager of Teradyne's Japan Division. He returned to the U.S. in 1999 as the engineering manager for the company's VLSI Test Division in Agoura Hills, California.

Mark holds a BSEE from the University of Michigan.

Mr. Vahey is the president of Teradyne's Systems Test Division, which includes the Commercial Board Test, Defense and Aerospace Test and Storage Test business units. Prior to this role, he was general manager of the Defense and Aerospace Test business since 2004 and of the Storage Test business since 2008. Walter was named a vice president in 2008. He joined Teradyne in 1986 and has since held a variety of roles in engineering, sales and marketing. From 2001 - 2004, he was vice president of marketing and business operations at Empirix, a communications test company.

Walter holds a BS in Electrical and Computer Engineering from Carnegie Mellon University.