Board of Directors – Teradyne Inc.

Teradyne | Board of Directors

Supervisory Board

Timothy E. Guertin Former CEO of Varian Medical Systems, Inc.

Mr. Guertin is the former CEO of Varian Medical Systems, Inc. ("Varian") and a Director since 2005. He served as the Vice Chairman of the Board from 2012 to 2019, as Chief Executive Officer from 2006 to 2012 and as President from 2005 to 2012. Previously, Mr. Guertin served as Chief Operating Officer of Varian from October 2004 to February 2006 and Corporate Executive Vice President from October 2002 to August 2005. Mr. Guertin also served as President of Varian's Oncology Systems business unit from 1992 to January 2005. Mr. Guertin was Corporate Vice President of Varian from 1992 to 2002. Mr. Guertin has held various other positions in the medical systems business during his 35 years with Varian. Mr. Guertin holds a B.S. degree in Electrical Engineering and Computer Science from the University of California at Berkeley. He currently serves on the Board of Directors for Varex Imaging Corporation.

Member of the Nominating and Governance Committee

Chair of the Compensation Committee

Peter Herweck Chief Executive Officer of Schneider Electric

Mr. Herweck has served as Chief Executive Officer of Schneider Electric since May 2023. Prior to this, Mr. Herweck served as Chief Executive Officer of the AVEVA Group, which was acquired by Schneider Electric in January 2023.

Mr. Herweck has over 30 years of expertise in the areas of automation, digitization, and industrial software. He is a global executive with senior management experience in Germany, China, the US, and Japan. Prior to AVEVA, Mr. Herweck led Schneider Electric’s global Industrial Automation Business and served on the company’s Executive Committee from 2016 to 2021. Prior to Mr. Herweck first joining Schneider Electric in 2016, he began his career at Mitsubishi and later joined Siemens where he held several executive positions in factory and process automation and led corporate strategy as Chief Strategy Officer.

Mr. Herweck holds an MBA degree from the Wake Forest University School of Business, and engineering degrees from Metz University and Saarland University. He is also an alumnus of the Harvard Business School Advanced Management Program.

Member of the Nominating and Governance Committee

Member of the Compensation Committee

Mercedes Johnson Former Chief Financial Officer of Avago Technologies

Mercedes Johnson was the Senior Vice President and Chief Financial Officer of Avago Technologies Limited, a supplier of analog interface components for communications, industrial and consumer applications, from December 2005 to August 2008. She also served as the Senior Vice President, Finance, of Lam Research Corporation from June 2004 to January 2005 and as Lam's Chief Financial Officer from May 1997 to May 2004. Prior to Lam Research, she held a variety of senior financial management positions at Applied Materials and Nanometrics. Ms. Johnson holds a degree in Accounting from the University of Buenos Aires and currently serves on the Board of Directors for Synopsys, Inc., and Analog Devices, Inc.

Ms. Johnson has been a director of Teradyne, Inc. since July 2014.

Chair of the Audit Committee

Ernest Maddock Former CFO of Micron

Mr. Maddock has over 35 years of experience in the technology industry serving in operations, technology and finance roles including 10 years as a public company CFO, most recently at Micron Technology from 2015 to 2018. Prior to Micron, he served as executive vice president and CFO at Riverbed Technology from 2013 to 2015, where his portfolio encompassed operations and information technology, and prior to that, Mr. Maddock spent 15 years at LAM Research in a variety of leadership positions culminating in the CFO role from 2009 to 2013.

Mr. Maddock holds a Bachelor of Science degree in Industrial Management from the Georgia Institute of Technology, and a Master of Business Administration degree in Finance from Georgia State University.

Member of the Audit Committee

Marilyn Matz Chief Executive Officer of Paradigm4, Inc.

Ms. Matz is a cofounder of Paradigm4, Inc. and has served as its Chief Executive Officer since December 2009. Previously, Ms. Matz was a cofounder of Cognex Corporation and Senior Vice President and Business Unit Manager of its PC Vision Products Group. Ms. Matz served on the Board of Directors for LogMeIn, Inc. from September 2014 to February 2017 when it merged with a business unit of Citrix Systems, Inc. Ms. Matz holds a B.S. degree in Computer Science from Syracuse University and an M.S. degree in Computer Science from the Massachusetts Institute of Technology.

Ms. Matz has been a director of Teradyne, Inc. since July 2017.

Chair of the Nominating and Governance Committee

Member of the Compensation Committee

Greg Smith President and CEO of Teradyne

Greg Smith is the President and CEO of Teradyne. In February 2023, he became Teradyne’s CEO and joined the board of directors. Since 2020, Greg has been the President of Teradyne’s Industrial Automation Group (now Robotics), growing the revenue 44%. Greg joined Teradyne’s Semiconductor Test Division in 2006 as the Marketing Manager for digital test and held a number of roles, ultimately leading the group as Division President from 2017 to 2020, when revenue grew over 50%. Prior to Teradyne, Greg held engineering, marketing and leadership positions in groups developing test equipment at Raytheon and LTX. He holds a bachelor’s degree in Electrical Engineering from the University of Pennsylvania.

Ford Tamer Former President and Chief Executive Officer of Inphi

Dr. Ford Tamer was elected to Teradyne’s Board of Directors in September of 2021, effective November 8, 2021. Since October 2022, Dr. Tamer has served as a Senior Operating Partner of Francisco Partners, a leading global private equity firm focused exclusively on investments in technology and technology-enabled services businesses. Previously, he served as the President and Chief Executive Officer of Inphi for more than nine years, until its merger with Marvell. Under Dr. Tamer’s stewardship, Inphi became the trusted market leader for electro-optics solutions for cloud and telecom operators, increasing revenue from these customers more than 20 times during his tenure, to an annual run rate of about $750 million.

Prior to Inphi, Dr. Tamer served as Chief Executive Officer of Telegent Systems. Before this, he was Senior Vice President and General Manager of Broadcom’s Infrastructure Networking Group, which he grew five-fold to $1.2 billion in revenue within five years, making that business the uncontested leader in infrastructure silicon solutions. He also served as co-founder and Chief Executive Officer of Agere Inc., which pioneered network processors (now the Intel Ixia product line). After Agere was acquired by Lucent Microelectronics, Dr. Tamer became Vice President at Agere Systems, a spin-off from Lucent. Earlier in his career, Dr. Tamer co-founded, operated and assisted in the growth of system management software, artificial intelligence and renewable energy businesses.

Dr. Tamer holds an M.S. and Ph.D. in Engineering from MIT, and a BE from the American University of Beirut.

Member of the Audit Committee

Paul J. Tufano Chair of the Board, Teradyne, Inc. and Former Chief Executive Officer of Benchmark Electronics

Mr. Tufano served as the President and Chief Executive Officer of Benchmark Electronics, Inc. from September 2016 to March 2019. Mr. Tufano previously served as Chief Financial Officer of Alcatel-Lucent from December 2008 to September 2013 and Chief Operating Officer from January 2013 to September 2013. Mr. Tufano served as Executive Vice President and Chief Financial Officer of Solectron Corporation from January 2006 to October 2007 and served as interim Chief Executive Officer of Solectron from February 2007 to October 2007. From February 2003 to November 2004, Mr. Tufano served as President and Chief Executive Officer of Maxtor Corporation. Prior to that time, he served as Executive Vice President and Chief Operating Officer from April 2001 and as Chief Financial Officer from July 1996 at Maxtor Corporation. From 1979, until he joined Maxtor Corporation in 1996, Mr. Tufano held a variety of management positions in finance and operations at International Business Machines Corporation. Mr. Tufano currently serves on the Board of Directors for EnerSys.

Mr. Tufano has been a director of Teradyne, Inc. since March 2005 and Chair of the Board since 2021.

Member of the Audit Committee