Michael Plisinski, Chief Executive Officer

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Michael Plisinski is the Company’s chief executive officer and has over 25 years of semiconductor capital equipment experience. He previously served as the chief executive officer and member of the board of directors for Rudolph Technologies since 2015. Prior to that, Mr. Plisinski served as the executive vice president and chief operating officer of Rudolph Technologies since October 2014 and was the vice president and general manager of the data analysis and review business since 2006 when Rudolph Technologies merged with August Technology Corporation. From 2004 to 2006, he was August Technology’s vice president of engineering and its director of strategic marketing for review and analysis products from 2003 to 2004. Mr. Plisinski joined August Technology as part of the acquisition of Counterpoint Solutions, a supplier of optical review and automated metrology equipment to the semiconductor industry, where he was both president and sole founder from 1999 to 2003. Mr. Plisinski has a Bachelor of Science in computer science from the University of Massachusetts and completed the Advanced Management Program from Harvard Business School.

Steven Roth, Senior Vice President and Chief Financial Officer

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Steven Roth is Onto Innovation’s senior vice president, finance and administration and chief financial officer. Prior to the merger with Nanometrics, Mr. Roth had been with Rudolph Technologies since September 1996. From August 1991 to August 1996, he served as the director of corporate finance for Bell Communications Research, now called Ericsson, a research and development company serving the telecommunications industry. Mr. Roth is a CPA and holds a Bachelor of Science in accounting from Villanova University.

Cody Harlow, Chief Operating Officer

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Cody Harlow is chief operating officer for Onto Innovation. He is a results driven operations leader with a proven track record of leading global teams in operations, supply chain, manufacturing, quality and engineering. He has over 20 years of experience in the semiconductor equipment industry and has produced excellent results by leading teams to reach aggressive growth through scaling global factories and supply chains. Prior to joining Onto Innovation, Mr. Harlow was managing director of operations at Applied Materials responsible for leadership of equipment manufacturing in Applied Global Services and also served as COO at Semiconductor Support Services. He also served as a nuclear propulsion supervisor in the U.S. Navy. He holds an MBA from the University of Phoenix, a Master of Science in organizational and human resource development from Abilene Christian University and a Bachelor of Science in nuclear engineering technology from Thomas Edison State College.

Robert Koch, Vice President & General Counsel

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Bob Koch is vice president and general counsel for Onto Innovation. Most recently, Mr. Koch has served as vice president and general counsel for Rudolph Technologies since 2003. Prior to joining Rudolph, he held various in-house counsel positions, last serving as director of legal affairs for Howmedica Osteonics Corp., an orthopedic implant subsidiary of Stryker Corporation. He holds a Bachelor of Science in chemical engineering and a Master of Science in biomedical engineering, both from Rutgers University. He earned his J.D. from Rutgers School of Law - Newark in 1991 and is admitted to practice in New Jersey and New York.

Barry Hartunian, Vice President, Global Human Resources

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As vice president global human resources, Barry Hartunian is responsible for all of Onto Innovation’s talent as well as HR initiatives across the globe. He joined the Company and the executive team in December 2019. Previously, he held the position of vice president, people & culture at Toast, Inc. where, as part of their leadership team, led the company to record breaking sales, headcount and industry growth. Mr. Hartunian has more than 25 years of business and human resources experience across several industries. Most notably, he has been an active human resource, culture and business leader in the technology sector with companies that have experienced significant global growth and success in their markets. His passion for global HR has developed from his experiences living and working abroad while pioneering and growing global operations for many successful companies including GenRad, Digimarc, Spotfire and ATG. He holds a bachelor's degree from Boston College as well as having completed graduate programs at Harvard University and Dartmouth College.