Exponent Executive and Leadership Team

May, 2026

Leadership Overview

Exponent has 5 executives leading key functions including strategy, finance, and operations.

Driven by innovation, Exponent is dedicated to providing expert science and engineering consulting services, fostering advancements across diverse industries through a philosophy of rigorous analysis and practical application.

Leadership Roles at Exponent

  • Chief Executive Officer - Catherine Corrigan
  • Founder & Chief Executive Officer - Arun Vinayak
  • Executive Vice President & Chief Financial Officer - Regina Edwards
  • President - John Pye
  • Chief of Staff - Kevin Xaisanasy
  • Catherine Corrigan - Chief Executive Officer

    Catherine Corrigan, the Chief Executive Officer at Exponent, directs the company's overall strategic vision and operational execution. Corrigan guides the firm's expansion across its Engineering and Other Scientific, and Environmental and Health segments, ensuring alignment with market demands and client needs. Overseeing the integration of advanced scientific methodologies, Corrigan drives innovation in areas such as biomechanics, biomedical engineering, and materials science. This leadership role involves fostering a culture of technical excellence and client-centric solutions. By championing cross-disciplinary collaboration, Catherine Corrigan ensures Exponent delivers impactful consulting services that address complex engineering and scientific challenges for clients in the United States and internationally. The Chief Executive Officer's focus remains on sustainable growth and maintaining Exponent's reputation for scientific integrity and problem-solving prowess.
    Catherine Corrigan

    Arun Vinayak - Founder & Chief Executive Officer

    Arun Vinayak, the Founder & Chief Executive Officer at Exponent, established the company's foundational principles and continues to shape its long-term trajectory. Vinayak's vision propels Exponent's commitment to pioneering science and engineering consulting. The Founder & Chief Executive Officer focuses on cultivating strategic partnerships and exploring new avenues for service expansion within the Engineering and Other Scientific, and Environmental and Health sectors. This leadership position involves setting the ethical and operational standards for the company. By leveraging deep industry expertise, Arun Vinayak ensures Exponent remains at the forefront of innovation, providing critical insights in fields ranging from civil engineering to polymer science. The Founder & Chief Executive Officer's dedication to scientific rigor underpins the company's ability to solve intricate client problems across global markets.
    Arun Vinayak

    Regina Edwards - Executive Vice President & Chief Financial Officer

    Regina Edwards, the Executive Vice President & Chief Financial Officer at Exponent, directs all financial operations and strategic fiscal planning. Edwards manages the company's financial health, overseeing budgeting, forecasting, and investment strategies across both the Engineering and Other Scientific, and Environmental and Health segments. This critical role involves ensuring fiscal responsibility and optimizing financial performance to support Exponent's growth initiatives. By analyzing market trends and financial data, Regina Edwards provides key insights that inform executive decision-making. The Executive Vice President & Chief Financial Officer's leadership ensures the company maintains a strong financial foundation, enabling continued investment in cutting-edge scientific and engineering consulting services. Edwards's expertise is fundamental to Exponent's sustained profitability and expansion.

    John Pye - President

    John Pye, the President at Exponent, oversees the strategic direction and operational management of the company's core service offerings. Pye drives the execution of business strategies within the Engineering and Other Scientific, and Environmental and Health segments, ensuring client satisfaction and service excellence. This leadership position involves fostering innovation and enhancing the delivery of specialized consulting services in areas like biomechanics and materials science. By championing operational efficiency, John Pye ensures Exponent effectively meets the complex needs of its diverse clientele. The President's focus on strategic growth and market penetration is instrumental in expanding Exponent's international presence. Pye's leadership ensures the company's continued success in providing advanced science and engineering solutions.
    John Pye

    Kevin Xaisanasy - Chief of Staff

    Kevin Xaisanasy, the Chief of Staff at Exponent, provides critical operational support and strategic coordination across executive functions. Xaisanasy facilitates the seamless execution of company initiatives, ensuring efficient communication and resource allocation between departments. This role involves managing key projects and driving process improvements within the Engineering and Other Scientific, and Environmental and Health segments. Overseeing the implementation of strategic directives, the Chief of Staff ensures that leadership priorities translate into tangible operational outcomes. By streamlining workflows and enhancing organizational efficiency, Kevin Xaisanasy directly contributes to Exponent's ability to deliver high-quality consulting services. The Chief of Staff's efforts are vital in maintaining operational agility and supporting the company's growth objectives.

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    Frequently Asked Questions Regarding Exponent Top Executives and Leadership Team

    Who leads Exponent?
    Exponent is led by Catherine Corrigan (Chief Executive Officer), along with executives such as Arun Vinayak (Founder & Chief Executive Officer) and Regina Edwards (Executive Vice President & Chief Financial Officer).
    Who is part of Exponent’s executive team?
    The executive team of Exponent includes leaders such as Catherine Corrigan (Chief Executive Officer), Arun Vinayak (Founder & Chief Executive Officer), Regina Edwards (Executive Vice President & Chief Financial Officer) and other senior executives.
    How many executives does Exponent have?
    Exponent has 5 executives leading key business areas.
    What roles are included in Exponent’s leadership team?
    The leadership team of Exponent includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, Executive Vice President & Chief Financial Officer, President, Chief of Staff.