Avantor Executive and Leadership Team

July, 2026

Leadership Overview

Avantor has 5 executives leading key functions including strategy, operations, human resources, finance, and corporate social responsibility.

Driven by a commitment to scientific advancement, Avantor is dedicated to setting science in motion to create a better world, empowering scientific breakthroughs across diverse industries.

Leadership Roles at Avantor

  • Senior Vice President, Chief Accounting Officer, and Chief Financial Officer - Stephen Eck
  • Executive Vice President & Chief Operating Officer - Mary Blenn
  • President, Avantor Foundation - Valerie Collado
  • Director, Strategy & Transformation Chief of Staff - Jeremy Fodor
  • Executive Vice President & Chief Human Resources Officer - Brittany Hankamer
  • Stephen Eck - Senior Vice President, Chief Accounting Officer, and Chief Financial Officer

    Stephen Eck, the Senior Vice President, Chief Accounting Officer, and Chief Financial Officer at Avantor, directs the company's financial operations and accounting integrity. Eck oversees all fiscal planning, financial reporting, and capital allocation strategies to support Avantor's global growth and mission. This leadership position ensures robust financial controls and compliance across all sectors, including life sciences and advanced materials. By managing the company's financial health, Stephen Eck enables strategic investments that drive innovation and operational efficiency. The role is pivotal in maintaining investor confidence and securing resources for scientific advancement. Eck's financial stewardship directly supports Avantor's objective of setting science in motion and creating a better world through sustainable business practices.

    Mary Blenn - Executive Vice President & Chief Operating Officer

    Mary Blenn, the Executive Vice President & Chief Operating Officer at Avantor, directs global operational execution and supply chain management. Blenn oversees the seamless delivery of mission-critical products and services across the life sciences, education & government, and advanced materials sectors. This executive leadership role involves optimizing manufacturing processes, ensuring product quality, and enhancing logistical efficiency to meet diverse customer needs worldwide. By driving operational excellence, Mary Blenn supports Avantor's core mission of setting science in motion. The scope of Blenn's responsibilities includes managing complex global networks and fostering innovation within operational frameworks. Through strategic oversight of day-to-day activities, Blenn ensures Avantor consistently enables scientific breakthroughs and contributes to a better world.
    Mary Blenn

    Valerie Collado - President, Avantor Foundation

    Valerie Collado, the President, Avantor Foundation at Avantor, leads the company's philanthropic initiatives and corporate social responsibility efforts. Collado directs programs focused on advancing science education and community engagement, aligning with Avantor's mission to set science in motion for a better world. This role involves strategic development and execution of initiatives that foster scientific literacy and support underserved communities globally. By overseeing the foundation's operations, Valerie Collado amplifies Avantor's positive impact beyond its core business. The focus remains on empowering future scientists and promoting sustainable practices. Collado's leadership ensures the Avantor Foundation effectively contributes to scientific progress and societal well-being, reinforcing the company's commitment to creating a better world.

    Jeremy Fodor - Director, Strategy & Transformation Chief of Staff

    Jeremy Fodor, the Director, Strategy & Transformation Chief of Staff at Avantor, directs strategic initiatives and transformation programs. Fodor oversees the alignment of departmental objectives with Avantor's overarching mission to set science in motion. This leadership position involves translating high-level corporate strategy into actionable plans for operational teams. By ensuring cohesive execution across various business units, Jeremy Fodor drives efficiency and innovation. The role demands a deep understanding of market dynamics and the ability to foster cross-functional collaboration. Fodor's focus remains on optimizing internal processes and identifying new avenues for growth, directly supporting Avantor's commitment to enabling scientific breakthroughs and creating a better world.

    Brittany Hankamer - Executive Vice President & Chief Human Resources Officer

    Brittany Hankamer, the Executive Vice President & Chief Human Resources Officer at Avantor, leads global talent management and organizational development. Hankamer shapes the company's human capital strategy, ensuring a skilled and engaged workforce aligned with Avantor's mission. This critical role involves fostering a culture of innovation and collaboration across all business units, supporting the company's commitment to setting science in motion. Brittany Hankamer oversees employee relations, compensation and benefits, and talent acquisition to attract and retain top scientific and operational talent. By championing employee well-being and professional growth, Hankamer directly contributes to Avantor's ability to drive scientific breakthroughs and create a better world through its diverse workforce.
    Brittany Hankamer

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    Frequently Asked Questions Regarding Avantor Top Executives and Leadership Team

    Who leads Avantor?
    Avantor is led by Stephen Eck (Senior Vice President, Chief Accounting Officer, and Chief Financial Officer), along with executives such as Mary Blenn (Executive Vice President & Chief Operating Officer) and Valerie Collado (President, Avantor Foundation).
    Who is part of Avantor’s executive team?
    The executive team of Avantor includes leaders such as Stephen Eck (Senior Vice President, Chief Accounting Officer, and Chief Financial Officer), Mary Blenn (Executive Vice President & Chief Operating Officer), Valerie Collado (President, Avantor Foundation) and other senior executives.
    How many executives does Avantor have?
    Avantor has 5 executives leading key business areas.
    What roles are included in Avantor’s leadership team?
    The leadership team of Avantor includes roles such as Senior Vice President, Chief Accounting Officer, and Chief Financial Officer, Executive Vice President & Chief Operating Officer, President, Avantor Foundation, Director, Strategy & Transformation Chief of Staff, Executive Vice President & Chief Human Resources Officer.