Avantor Executive and Leadership Team

Stefano Mazzeo, the Regional Chief Financial Officer at Avantor, directs all financial planning and fiscal reporting across specific geographic markets. Managing regional capital allocation, the Regional Chief Financial Officer ensures that local business units maintain strict adherence to corporate budgetary standards. This leadership role involves analyzing market trends to optimize resource distribution for the life sciences and advanced materials sectors. By monitoring regional economic indicators, Stefano Mazzeo mitigates financial risks while supporting the broader organizational goal of setting science in motion. The Regional Chief Financial Officer collaborates with global finance teams to streamline reporting processes and enhance operational transparency. Through rigorous oversight of regional expenditures, Mazzeo secures the financial health necessary for sustained growth. This position requires constant coordination with regional leadership to align fiscal strategies with the overarching mission of providing mission-critical products to government and education clients.

Steven Eck, the Senior Vice President, Chief Accounting Officer, and Chief Financial Officer at Avantor, manages the global financial architecture and corporate accounting standards. Overseeing the integrity of financial statements, the Senior Vice President, Chief Accounting Officer, and Chief Financial Officer ensures compliance with international regulatory frameworks. This role involves architecting long-term financial strategies that support the company's mission of enabling scientific breakthroughs. By directing capital structure initiatives, Steven Eck optimizes the balance sheet to facilitate investment in advanced materials and life sciences innovation. The Senior Vice President, Chief Accounting Officer, and Chief Financial Officer maintains constant communication with the Board regarding fiscal performance and risk management. Through precise financial modeling, Eck drives efficiency across all global operations. This executive leadership position requires deep analytical rigor to ensure that every fiscal decision directly advances the company's ability to provide mission-critical services to the global scientific community.

Corey Walker, the President, Vwr Distribution & Services at Avantor, oversees the complex logistics network and service delivery models that support global scientific research. Managing the supply chain for mission-critical products, the President, Vwr Distribution & Services ensures that life sciences and advanced materials clients receive essential materials with maximum efficiency. This leadership role involves optimizing distribution channels to enhance market reach across diverse geographic regions. By implementing advanced inventory management systems, Corey Walker reduces lead times and improves service reliability for government and education partners. The President, Vwr Distribution & Services coordinates with operational teams to scale distribution capabilities in response to evolving industry demands. Through strategic oversight of service delivery, Walker ensures that the company remains a trusted partner in scientific discovery. This position requires constant innovation in logistics to maintain the high-performance standards necessary for supporting breakthroughs in the global scientific community.

Brittany Hankamer, the Executive Vice President & Chief Human Resources Officer at Avantor, architects the global talent strategy and organizational culture. Directing workforce development initiatives, the Executive Vice President & Chief Human Resources Officer ensures that the company attracts top-tier professionals capable of supporting the life sciences and advanced materials industries. This leadership role involves designing compensation structures and performance management systems that align with the corporate mission of setting science in motion. By fostering an inclusive environment, Brittany Hankamer drives employee engagement across diverse international operations. The Executive Vice President & Chief Human Resources Officer collaborates with the C-suite to implement succession planning and leadership development programs. Through strategic human capital management, Hankamer ensures that the organization possesses the necessary expertise to deliver mission-critical products to government and education sectors. This position remains central to maintaining the high standards of excellence required for scientific breakthroughs.