Exponent Executive and Leadership Team

June, 2026

Leadership Overview

Exponent has 6 executives leading key functions including strategy, operations, finance, and engineering.

Driven by innovation, Exponent operates as a premier science and engineering consulting company, delivering expert analysis and solutions across diverse sectors and impacting global markets through its specialized services.

Leadership Roles at Exponent

  • Chief Executive Officer - Catherine Corrigan
  • Founder & Chief Executive Officer - Arun Vinayak
  • Executive Vice President & Chief Financial Officer - Regina Edwards
  • President - Sobhi Tadfie
  • 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 overarching strategy and operational execution. Corrigan guides the firm's expansion across its Engineering and Other Scientific, and Environmental and Health segments. Overseeing all business units, Catherine Corrigan ensures alignment with Exponent's mission to provide advanced science and engineering consulting services. This leadership role involves fostering innovation within the company's diverse service areas, including biomechanics, biomedical engineering, materials science, and vehicle engineering. By driving strategic initiatives, Corrigan enhances Exponent's market position and client engagement. The Chief Executive Officer's focus remains on sustainable growth and maintaining the company's reputation for technical excellence in complex problem-solving.
    Catherine Corrigan

    Arun Vinayak - Founder & Chief Executive Officer

    Arun Vinayak, the Founder & Chief Executive Officer at Exponent, established the company's foundational vision and continues to shape its strategic direction. Vinayak's role encompasses guiding the company's long-term objectives and fostering a culture of scientific rigor. As Founder, Arun Vinayak provides critical insights into market trends and emerging opportunities within the science and engineering consulting landscape. This leadership position involves championing the company's core values and ensuring its services meet the evolving needs of clients in the United States and internationally. Vinayak's influence extends to key decisions regarding service expansion and technological integration across Exponent's operational segments. The Founder & Chief Executive Officer's commitment is to maintaining Exponent's leadership in providing specialized consulting services.
    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 oversees budgeting, forecasting, and financial reporting, ensuring the company's fiscal health and stability. This critical role involves managing capital allocation and driving financial strategies that support Exponent's growth objectives across its diverse service lines. Regina Edwards is instrumental in securing funding, optimizing financial performance, and mitigating fiscal risks. The Executive Vice President & Chief Financial Officer's expertise is vital for guiding investment decisions in areas such as biomechanics, materials science, and environmental consulting. Edwards's leadership ensures Exponent maintains a strong financial foundation to pursue innovation and expand its international presence.

    Sobhi Tadfie - President

    Sobhi Tadfie, the President at Exponent, leads significant operational divisions and drives business development initiatives. Tadfie's focus is on enhancing service delivery and expanding market reach within the company's core segments. This leadership position involves overseeing key client relationships and ensuring the successful execution of complex engineering and scientific projects. Sobhi Tadfie plays a pivotal role in fostering collaboration between Exponent's technical experts and client organizations. The President's responsibilities extend to identifying new business opportunities and strengthening the company's presence in both domestic and international markets. Tadfie's strategic direction supports Exponent's commitment to providing cutting-edge consulting services and achieving sustained operational excellence.

    John Pye - President

    John Pye, the President at Exponent, spearheads strategic growth and operational excellence across key business units. Pye directs initiatives aimed at enhancing Exponent's service portfolio, particularly within its Engineering and Other Scientific segment. This leadership role involves driving innovation in areas such as civil engineering, electrical engineering, and materials science. John Pye focuses on optimizing project execution and ensuring client satisfaction through high-caliber consulting services. The President's responsibilities include fostering cross-functional collaboration and identifying opportunities for market expansion. Pye's strategic oversight contributes significantly to Exponent's reputation for technical expertise and its ability to tackle complex challenges in the United States and globally.
    John Pye

    Kevin Xaisanasy - Chief of Staff

    Kevin Xaisanasy, the Chief of Staff at Exponent, facilitates strategic initiatives and enhances operational efficiency across the organization. Xaisanasy supports the executive leadership team by managing key projects and ensuring seamless communication between departments. This role involves coordinating efforts across Exponent's Engineering and Other Scientific, and Environmental and Health segments. Kevin Xaisanasy plays a crucial part in translating strategic objectives into actionable plans, driving progress on critical business priorities. The Chief of Staff's responsibilities include optimizing internal processes and supporting the development of new service offerings. By streamlining operations, Xaisanasy contributes directly to Exponent's ability to deliver high-quality consulting services and maintain its competitive edge in the market.

    Explore Leadership Teams in Business Services

    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 6 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, President.