Executive Team

Greg Smith is the President and CEO of Teradyne. In February 2023, he became Teradyne’s CEO and joined the board of directors. From 2020-2023, Greg was 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.

Michelle Turner was appointed Teradyne’s Chief Financial Officer in November 2025 and oversees Teradyne’s finance, information technology, and global infrastructure. Michelle is a senior financial executive with 30 years’ experience in public companies across the aerospace & defense, industrial, healthcare, and oil & gas industries. In her most recent role prior to joining Teradyne, Michelle was the Chief Financial Officer for L3Harris Technologies, a defense technology company. Prior to L3Harris Technologies, Michelle was in a variety of senior financial management and leadership roles in Johnson & Johnson (JNJ), BHP Billiton (BHP), Raytheon (RTX) and Honeywell (HON). Michelle received her bachelor’s degree in accounting from the University of South Florida and her MBA from Arizona State.

Sanjay Mehta is an Executive Advisor at Teradyne, supporting operations. Previously, he served as Teradyne’s Chief Financial Officer from April 2019 to November 2025. During that time, he oversaw Teradyne’s finance, information technology, global infrastructure and supply line management functions, including new product introduction and manufacturing operations. Prior to joining Teradyne, Sanjay served in a variety of senior financial management and leadership roles in Qualcomm’s semiconductor group (QCT), including segment Chief Financial Officer from 2010 to 2015 and President of QCT China from 2016 to 2018. He began his career at Price Waterhouse Canada and qualified as a Chartered Accountant in 1995. Sanjay holds a Bachelor of Commerce degree from the University of Toronto.

Jim Mahon was named Teradyne Chief Human Resources Officer in 2023 and is responsible for Teradyne global HR operations. Jim joined Teradyne in 1980, advancing into progressively senior roles in manufacturing, process engineering, marketing, and customer service. Prior to joining Human Resources, Jim was General Manager of Teradyne’s test service business, spearheading initiatives and innovations that ensure customers get maximum value from their investment in Teradyne test systems. He was named Vice President of Global Services in 2014. Jim is a graduate of Rensselaer Polytechnic Institute, holding a Bachelor of Science degree in Electrical Engineering.

Ryan Driscoll is Vice President, General Counsel and Secretary of Teradyne with responsibility for the worldwide legal affairs of Teradyne. Ryan was Teradyne’s Deputy General Counsel and Assistant Secretary from 2009 to 2024. He began his career as a corporate associate at Ropes & Gray from 2002 to 2009. Ryan holds a bachelor’s degree in economics from Boston College and a J.D. from Boston College Law School.

Shannon Gath joined Teradyne as Vice President and Chief Information Officer in 2021. She leads the company's IT organization, overseeing customer-facing digital systems, internal technology, information security, product security governance, and AI enterprise-wide adoption. With over 25 years of experience, Shannon has assisted public and privately held technology, life sciences, and financial services companies in growing their businesses.

Her leadership has garnered numerous accolades, including recognition as Boston CIO of the Year by Inspire CIO and one of the 50 Most Powerful Women in Technology by the National Diversity Council. Shannon serves as Board Chair of Women's Money Matters, demonstrating her commitment to empowering women living on low incomes through financial education and advocacy. She holds a bachelor's degree in Mechanical Engineering from Tufts University.

Tim Moriarty is the Vice President of Corporate Development at Teradyne. Prior to this role, he served as the President of AutoGuide and was the leader of Teradyne’s Nextest business unit for over 10 years where he led their market share growth in the hyper-competitive memory test equipment market from under 10% to over 40% in 2020. Tim is a proven leader of technology driven organizations serving demanding markets that value equipment performance, reliability, superior economics and great product support.

Amy McAndrews is the Vice President of Corporate Affairs at Teradyne. With over two decades of experience at Teradyne, Amy has held a variety of leadership positions, including Corporate Controller, Vice President of Finance for Semiconductor Test, Vice President of Corporate Finance from 2020 to 2024, and most recently, Vice President of Corporate Development. Amy holds a bachelor's degree in Accounting from Villanova University.

Shannon is President of the Semiconductor Test Division at Teradyne which drives over $2B in global test revenue across hardware, software, and services. Shannon has worked for over 30 years in the semiconductor industry. Prior to joining Teradyne, he spent three years as COO and GM of the Altera FPGA business, where he led the company to record revenues and profits before setting it up to be spun-out and sold. Prior to Altera, Shannon was with Intel Corporation for 22 years in various executive roles including leading the Data Center product group as well as worldwide end user and channel sales. Earlier in his career, Shannon spent time as a digital and mixed signal system designer at Microchip Technology and Harbor Branch Oceanographic Institution. Shannon has a degree in electrical engineering, an MBA, and he holds multiple technology related patents.

Regan Mills is the President of the Product Test division at Teradyne. Prior to this role, he was the Vice President of Marketing, and General Manager of the SOC business unit for the Semiconductor Test division at Teradyne. Regan has also held management positions at Automation Engineering Incorporated and Arctic Sand Technologies. He holds a Bachelor of Science degree in electrical engineering and computer science from the Massachusetts Institute of Technology, and a Master of Science degree in electrical engineering from Boston University.

Jean-Pierre Hathout is the President of the Teradyne Robotics Group and President of Universal Robots (UR). Prior to this role, he served as the President of Mobile Industrial Robots (MiR) for two years. Teradyne Robotics is a global leader of advanced robotics solutions and is comprised of UR and MiR. Jean-Pierre also served as the President of SIT Controls USA, and built a 17-year career at Bosch, including several international management roles. He has a doctoral degree in mechanical engineering from the Massachusetts Institute of Technology, and brings deep industry expertise and global leadership skills.