Onto Innovation Inc. announced the appointment of Brian Roberts as chief financial officer, strengthening its leadership team as the Company continues to advance its strategic objectives. Appointment is effective as of June 16, 2025. Brian will report to Mike Plisinski.

Brian will be based in Wilmington, Massachusetts. Brian Roberts ? Chief Financial Officer: Seasoned financial executive to drive operational excellence: Brian brings to Onto Innovation broad financial, operational and leadership experience gained over his 30 year career with a track record of scaling organizations, improving margin performance and maximizing capital allocation.

With 20 years of experience as a CFO, 11 years for public companies in industries such as biotech, software and semiconductors, Brian has demonstrated the ability to rapidly scale high growth organizations while delivering on or exceeding company financial goals. He was most recently the CFO of Sensata Technologies, a publicly traded global semiconductor technology company with approximately $4 billion in revenue in 2024 and over 20 factories around the globe. Mark Slicer will be transitioning out of Onto Innovation and pursuing other opportunities.

Mark will be available to support a smooth transition.