May Su joined the Onto Innovation board of directors in 2022. With over 35 years of leadership experience within the semiconductor capital equipment industry, Ms. Su brings a strong background in strategy and strategic marketing to Onto Innovation’s board of directors. Additionally, she has significant experience in senior management and sales roles from companies such as Lam Research, KLA, Aviza, and Brooks Automation. Ms. Su spent seven years at Brooks Automation in various roles including vice president and general manager for Crossing Automation and vice president of strategic OEM sales. In her final role as vice president of strategic marketing, she was responsible for defining new revenue streams, driving the discussions on trends, customer insights, and early phases of development. From 2018 to 2022, Ms. Su served as chief marketing officer and then CEO of Kateeva, Inc., a privately held display capital equipment company. Ms. Su holds a Bachelor of Science degree in mechanical engineering from Cornell University, a master’s in mechanical engineering from University of California-Berkeley, and an MBA from Santa Clara University, Leavey School of Business. Ms. Su is a member of the National Association of Corporate Directors ("NACD").