West Pharmaceutical Services Executive and Leadership Team

June, 2026

Leadership Overview

West Pharmaceutical Services has 4 executives leading key functions including finance, human resources, medical affairs, and regional operations.

Driven by a commitment to innovation, West Pharmaceutical Services manufactures and sells packaging components and delivery systems for injectable drugs and healthcare products, impacting global health outcomes.

Leadership Roles at West Pharmaceutical Services

  • Senior Vice President & Chief Financial Officer - Robert McMahon
  • President, Americas - Donald McMillan
  • Senior VP & Chief Human Resources Officer - Annette Favorite
  • Vice President & Chief Medical Officer - Anya Harry
  • Robert McMahon - Senior Vice President & Chief Financial Officer

    Robert McMahon, the Senior Vice President & Chief Financial Officer at West Pharmaceutical Services, directs all financial operations and strategic fiscal planning. Overseeing global accounting, treasury, and investor relations, McMahon ensures robust financial health and compliance across all regions. This leadership role involves managing capital allocation, driving profitability, and optimizing financial performance to support the company's growth objectives in manufacturing packaging components and delivery systems for injectable drugs. By analyzing market trends and financial data, Robert McMahon provides critical insights that inform executive decision-making and long-term business strategy. The Chief Financial Officer's purview extends to risk management and ensuring the financial integrity of West Pharmaceutical Services' international operations, particularly in the United States, Germany, France, and other European countries. McMahon's financial acumen directly supports the company's mission to deliver high-quality healthcare products.
    Robert McMahon

    Donald McMillan - President, Americas

    Donald McMillan, the President, Americas at West Pharmaceutical Services, directs all operational and strategic initiatives across North and South America. Overseeing sales, market development, and customer relations within these key regions, McMillan drives business growth and ensures the effective delivery of packaging components and delivery systems for injectable drugs. This leadership position involves managing regional performance, optimizing supply chain logistics, and fostering strong client partnerships throughout the Americas. By executing tailored market strategies, Donald McMillan enhances West Pharmaceutical Services' presence and impact in the pharmaceutical and healthcare sectors. The President, Americas' responsibilities include achieving revenue targets, expanding market share, and ensuring operational excellence in alignment with the company's global objectives. McMillan's regional leadership is vital to the company's success in serving its diverse customer base.

    Annette Favorite - Senior VP & Chief Human Resources Officer

    Annette Favorite, the Senior VP & Chief Human Resources Officer at West Pharmaceutical Services, architects the company's global human capital strategy. Overseeing talent acquisition, development, and retention, Favorite cultivates a high-performance culture essential for innovation in healthcare product manufacturing. This executive position involves shaping employee engagement initiatives and ensuring alignment with West Pharmaceutical Services' mission to provide critical packaging and delivery systems for injectable drugs. By fostering a supportive and dynamic work environment, Annette Favorite drives organizational effectiveness across the United States, Germany, France, and other international markets. The Chief Human Resources Officer's responsibilities include managing compensation and benefits, promoting diversity and inclusion, and ensuring compliance with labor laws worldwide. Favorite's strategic leadership in human resources directly contributes to the company's ability to meet global demand for its specialized products.
    Annette Favorite

    Anya Harry - Vice President & Chief Medical Officer

    Anya Harry, the Vice President & Chief Medical Officer at West Pharmaceutical Services, spearheads the company's medical affairs and clinical strategy. Overseeing the scientific and clinical aspects of packaging components and delivery systems for injectable drugs, Harry ensures product safety and efficacy. This critical role involves providing medical expertise to guide product development and regulatory submissions, directly supporting West Pharmaceutical Services' commitment to advancing healthcare solutions. By collaborating with research and development teams, Anya Harry drives innovation in drug delivery technologies across global markets. The Chief Medical Officer's focus includes staying abreast of medical advancements and regulatory requirements in the United States, Germany, France, and beyond. Harry's medical insights are fundamental to maintaining the company's reputation for quality and reliability in the pharmaceutical packaging sector.
    Anya Harry

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    Frequently Asked Questions Regarding West Pharmaceutical Services Top Executives and Leadership Team

    Who leads West Pharmaceutical Services?
    West Pharmaceutical Services is led by Robert McMahon (Senior Vice President & Chief Financial Officer), along with executives such as Donald McMillan (President, Americas) and Annette Favorite (Senior VP & Chief Human Resources Officer).
    Who is part of West Pharmaceutical Services’s executive team?
    The executive team of West Pharmaceutical Services includes leaders such as Robert McMahon (Senior Vice President & Chief Financial Officer), Donald McMillan (President, Americas), Annette Favorite (Senior VP & Chief Human Resources Officer) and other senior executives.
    How many executives does West Pharmaceutical Services have?
    West Pharmaceutical Services has 4 executives leading key business areas.
    What roles are included in West Pharmaceutical Services’s leadership team?
    The leadership team of West Pharmaceutical Services includes roles such as Senior Vice President & Chief Financial Officer, President, Americas, Senior VP & Chief Human Resources Officer, Vice President & Chief Medical Officer.