Onto Innovation Executive and Leadership Team

November, 2026

Leadership Overview

Onto Innovation has 4 executives leading key functions including strategy, operational coordination, manufacturing efficiency, and financial management.

Focused on advancing semiconductor yield and device performance, Onto Innovation delivers critical process control solutions that empower global manufacturers to achieve superior reliability and operational speed across the entire semiconductor value chain.

Leadership Roles at Onto Innovation

  • Chief Executive Officer - Michael Plisinski
  • Chief Financial Officer - Brian Roberts
  • Chief Operating Officer - Ramil Yaldaei
  • Chief of Staff - Younsoo Ra
  • Michael Plisinski - Chief Executive Officer

    Michael Plisinski, the Chief Executive Officer at Onto Innovation, directs the overarching strategic vision for the organization. By aligning corporate objectives with the evolving demands of the semiconductor industry, the Chief Executive Officer ensures that the company maintains a competitive edge in process control technology. Plisinski oversees the integration of advanced metrology and inspection systems to solve complex yield challenges for global clients. This leadership role involves constant collaboration with the Board to drive long-term value and sustainable growth. By fostering a culture of innovation, Michael Plisinski enables the engineering teams to push the boundaries of device performance and quality. The Chief Executive Officer monitors market trends across North America, Asia, and Europe to identify expansion opportunities. Ultimately, Plisinski secures the company's position as a leader in the semiconductor value chain through rigorous execution of high-level business initiatives.

    Brian Roberts - Chief Financial Officer

    Brian Roberts, the Chief Financial Officer at Onto Innovation, manages the financial health and capital allocation strategies of the organization. By overseeing fiscal planning, budgeting, and investor relations, the Chief Financial Officer ensures that the company possesses the necessary resources to fund research and development in semiconductor process control. Roberts directs the financial reporting processes to maintain transparency and compliance with global regulatory standards. This leadership role involves analyzing market data to forecast revenue growth and identify potential investment areas within the semiconductor value chain. Brian Roberts collaborates with the executive team to evaluate the financial impact of strategic acquisitions and operational expansions. By maintaining a robust balance sheet, the Chief Financial Officer supports the company's ability to innovate and scale its service organization worldwide. Ultimately, Roberts secures the financial stability required to sustain long-term growth and deliver consistent value to shareholders.
    Brian Roberts

    Ramil Yaldaei - Chief Operating Officer

    Ramil Yaldaei, the Chief Operating Officer at Onto Innovation, manages the global manufacturing and service infrastructure. By overseeing the production of sophisticated process control equipment, the Chief Operating Officer ensures that all hardware meets the rigorous reliability requirements of semiconductor manufacturers. Yaldaei directs the supply chain and logistics operations to maintain consistent delivery schedules across international markets. This leadership role involves scaling production capacity to match the increasing demand for advanced metrology solutions. Ramil Yaldaei implements lean manufacturing principles to reduce waste and enhance the overall efficiency of the production floor. By coordinating with the service organization, the Chief Operating Officer guarantees that customers receive timely support for their critical yield issues. Ultimately, Yaldaei optimizes the operational backbone of the company, ensuring that every product shipped contributes to the superior performance and quality standards expected by the global semiconductor industry.
    Ramil Yaldaei

    Younsoo Ra - Chief of Staff

    Younsoo Ra, the Chief of Staff at Onto Innovation, coordinates cross-functional initiatives to streamline internal operations. By managing the flow of information between executive leadership and departmental heads, the Chief of Staff ensures that strategic priorities receive immediate attention. Ra facilitates the execution of complex projects that span the entire semiconductor value chain, ensuring that all teams remain aligned with the corporate mission. This role involves optimizing internal communication channels to improve decision-making speed and organizational agility. Younsoo Ra monitors the progress of key performance indicators to verify that operational goals meet the high standards required for semiconductor manufacturing excellence. By removing bottlenecks in administrative and operational workflows, the Chief of Staff supports the broader leadership team in achieving efficiency targets. Ultimately, Ra drives organizational cohesion by maintaining a clear focus on the critical path of progress for the company.

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    Frequently Asked Questions Regarding Onto Innovation Top Executives and Leadership Team

    Who leads Onto Innovation?
    Onto Innovation is led by Michael Plisinski (Chief Executive Officer), along with executives such as Brian Roberts (Chief Financial Officer) and Ramil Yaldaei (Chief Operating Officer).
    Who is part of Onto Innovation’s executive team?
    The executive team of Onto Innovation includes leaders such as Michael Plisinski (Chief Executive Officer), Brian Roberts (Chief Financial Officer), Ramil Yaldaei (Chief Operating Officer) and other senior executives.
    How many executives does Onto Innovation have?
    Onto Innovation has 4 executives leading key business areas.
    What roles are included in Onto Innovation’s leadership team?
    The leadership team of Onto Innovation includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief of Staff.