Dr. Sayiner served as the Executive Vice President of Renesas Electronics Corporation, a company engaged in the research, development, design, manufacture, sale, and servicing of semiconductor products, from February 2017 to March 2019, also serving as President of Renesas Electronics America from July 2017 to March 2019. Previously, he was the President, Chief Executive Officer, and a director of Intersil Corporation, a leading provider of innovative power management and precision analog solutions, from March 2013 until its acquisition by Renesas Electronics Corporation in February 2017. Prior to Intersil, from September 2005 to April 2012, he served as President and Chief Executive Officer and director of Silicon Laboratories, a fabless semiconductor company engaged in the design of analog-intensive, mixed signal integrated circuits. Dr. Sayiner served as Chairman of the Semiconductor Industry Association ( SIA ) from December 2015 to November 2016 and as Vice Chairman from November 2014 to December 2015. Dr. Sayiner was initially appointed to the Board of the SIA in September 2013. Dr. Sayiner also serves as a director on the board of Rambus, Inc., Teradyne, Inc., and SanDisk Corporation. He previously served as a director of Power Integrations, Inc., a semiconductor manufacturing company, until May 2023. Dr. Sayiner s deep knowledge of the semiconductor industry from his career at chip design and device manufacturing companies provides the Axcelis Board with valuable input from the customer perspective. His experience as a chief executive officer, extensive engineering experience, and track record of strong revenue and profitability growth are all highly valued by our Board. Since his appointment to the Board in February 2024, Dr. Sayiner has served as a member of the Technology and New Product Development Committee and the Compensation Committee.