Repligen Executive and Leadership Team

May, 2026

Leadership Overview

Repligen has 4 executives leading key functions including strategy, operations, finance, and information technology.

Driven by innovation, Repligen is dedicated to advancing bioprocessing through high-value products and flexible solutions, addressing critical steps in biologic drug production and inspiring industry progress.

Leadership Roles at Repligen

  • Chief Executive Officer - Olivier Loeillot
  • Chief Financial Officer - Jason Garland
  • Chief Operating Officer - James Bylund
  • Chief Information Officer - Keith Lee Lee Robinson
  • Olivier Loeillot - Chief Executive Officer

    Olivier Loeillot, the Chief Executive Officer at Repligen, directs the company's overarching strategy and vision. Loeillot guides Repligen's mission to inspire advances in bioprocessing by developing and commercializing high-value products and flexible solutions. This leadership role involves setting the strategic direction for critical steps in biologic drug production, ensuring alignment with market needs and future industry trends. The Chief Executive Officer oversees all major corporate initiatives, fostering a culture of innovation and operational excellence across the organization. Loeillot's focus remains on driving sustainable growth and enhancing Repligen's position as a leader in the bioprocessing sector. Through strategic decision-making, the Chief Executive Officer ensures the company effectively addresses the evolving demands of biologic drug manufacturing, ultimately contributing to improved patient outcomes globally. Olivier Loeillot champions the company's commitment to providing essential tools and expertise to the biopharmaceutical industry.

    Jason Garland - Chief Financial Officer

    Jason Garland, the Chief Financial Officer at Repligen, directs the company's financial strategy, planning, and reporting. Garland manages all fiscal operations, including budgeting, forecasting, and capital allocation, ensuring financial health and supporting Repligen's growth objectives in the bioprocessing sector. This critical role involves overseeing financial risk management and optimizing the company's financial structure to support the development and commercialization of high-value products. The Chief Financial Officer provides essential financial insights to guide strategic decision-making and maintain investor confidence. Garland's expertise is crucial in navigating the financial complexities of the life sciences industry and ensuring compliance with all regulatory requirements. Through astute financial stewardship, the Chief Financial Officer drives profitability and enhances shareholder value. Jason Garland is instrumental in securing the financial resources necessary for Repligen to continue inspiring advances in biologic drug production.
    Jason Garland

    James Bylund - Chief Operating Officer

    James Bylund, the Chief Operating Officer at Repligen, executes the company's operational strategies to ensure efficient and scalable production of bioprocessing solutions. Bylund oversees the day-to-day operations, managing manufacturing, supply chain logistics, and quality control to meet the critical demands of biologic drug production. This leadership position involves optimizing processes and resource allocation to support Repligen's commitment to delivering high-value products. The Chief Operating Officer ensures that operational frameworks are robust and adaptable, supporting the company's growth and its role in advancing bioprocessing. Bylund's responsibilities extend to enhancing operational efficiency and maintaining the highest standards of product quality and reliability. Through diligent oversight, the Chief Operating Officer drives the effective implementation of Repligen's business model, ensuring seamless integration of product development and commercialization efforts. James Bylund is pivotal in translating strategic objectives into tangible operational success across the company's global footprint.

    Keith Lee Lee Robinson - Chief Information Officer

    Keith Lee Lee Robinson, the Chief Information Officer at Repligen, leads the company's information technology strategy and infrastructure. Robinson oversees the development and implementation of technology solutions that support Repligen's bioprocessing operations, product commercialization, and overall business objectives. This role is vital for ensuring data security, system reliability, and the efficient use of digital tools across the organization. The Chief Information Officer drives innovation in IT, enabling better data management and operational insights to support the production of biologic drugs. Robinson's focus includes enhancing digital capabilities to streamline processes and improve collaboration among teams. Through strategic IT leadership, the Chief Information Officer ensures that Repligen's technological foundation is robust, scalable, and aligned with its mission to advance bioprocessing. Keith Lee Lee Robinson champions the integration of cutting-edge technology to optimize business performance and drive competitive advantage.

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    Frequently Asked Questions Regarding Repligen Top Executives and Leadership Team

    Who leads Repligen?
    Repligen is led by Olivier Loeillot (Chief Executive Officer), along with executives such as Jason Garland (Chief Financial Officer) and James Bylund (Chief Operating Officer).
    Who is part of Repligen’s executive team?
    The executive team of Repligen includes leaders such as Olivier Loeillot (Chief Executive Officer), Jason Garland (Chief Financial Officer), James Bylund (Chief Operating Officer) and other senior executives.
    How many executives does Repligen have?
    Repligen has 4 executives leading key business areas.
    What roles are included in Repligen’s leadership team?
    The leadership team of Repligen includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Information Officer.