Alexion Executive and Leadership Team

July, 2026

Leadership Overview

Alexion has 6 executives leading key functions including revenue generation, human resources, operations, strategy, and marketing.

Dedicated to advancing patient care, Alexion drives innovation in biopharmaceuticals to address severe and life-threatening rare disorders, impacting global health outcomes.

Leadership Roles at Alexion

  • President - Patrice Coissac
  • Chief Revenue Officer & Manager - Yi Su
  • Executive Vice President & Chief Human Resources Officer - Annie Mirabelli
  • Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development - Mackenzie Halter
  • Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer - Sean Gorman
  • Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer - Moh-Lim Ong
  • Patrice Coissac - President

    Patrice Coissac, the President at Alexion, provides overarching leadership and strategic direction for the global biopharmaceutical company. Overseeing all major business units and functions, Patrice Coissac drives Alexion's mission to discover, develop, and commercialize medicines for severe and life-threatening rare disorders. This pivotal role involves setting the company's long-term vision, fostering innovation, and ensuring operational excellence across all geographies. By guiding strategic decision-making and championing the company's commitment to patients, Patrice Coissac significantly impacts Alexion's ability to address unmet medical needs. Ultimately, Coissac leads the organization in its pursuit of transforming the lives of individuals affected by rare diseases worldwide.

    Yi Su - Chief Revenue Officer & Manager

    Yi Su, the Chief Revenue Officer & Manager at Alexion, directs all revenue-generating activities and manages critical business operations. Overseeing sales strategies and market penetration, Yi Su ensures alignment with Alexion's mission to develop medicines for rare disorders. This leadership position involves optimizing revenue streams through strategic partnerships and market analysis. By driving commercial success, Yi Su directly contributes to the company's ability to fund research and development for life-threatening conditions. Ultimately, Su secures financial growth and expands access to vital treatments for patients worldwide.

    Annie Mirabelli - Executive Vice President & Chief Human Resources Officer

    Annie Mirabelli, the Executive Vice President & Chief Human Resources Officer at Alexion, architects the company's talent strategy and organizational development. Overseeing all human resources functions, Annie Mirabelli cultivates a high-performance culture essential for Alexion's biopharmaceutical innovation. This executive role involves attracting, retaining, and developing top talent critical for discovering and commercializing medicines for severe rare disorders. By fostering employee engagement and implementing robust HR policies, Annie Mirabelli ensures the workforce is equipped to meet complex scientific and commercial challenges. Ultimately, Mirabelli drives the human capital initiatives that support Alexion's global mission and sustained growth.

    Mackenzie Halter - Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development

    Mackenzie Halter, the Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development at Alexion, spearheads strategic initiatives and operational efficiency within critical development functions. Overseeing the coordination between regulatory, safety, and development teams, Mackenzie Halter ensures seamless execution of Alexion's drug development pipeline. This multifaceted role involves managing key projects and providing strategic counsel to leadership, directly supporting the commercialization of medicines for rare disorders. By optimizing operational workflows and driving strategic alignment, Mackenzie Halter enhances the company's capacity to bring life-changing therapies to market. Ultimately, Halter facilitates the complex processes required for Alexion's scientific advancements.

    Sean Gorman - Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer

    Sean Gorman, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer at Alexion, directs strategic business planning and operational execution for the medical office while leading marketing initiatives. Overseeing market positioning and communication strategies, Sean Gorman ensures Alexion's therapies for severe rare disorders reach target patient populations effectively. This dual role involves optimizing operational workflows within the medical office and driving impactful marketing campaigns that highlight the company's commitment to innovation. By aligning business planning with marketing objectives, Sean Gorman enhances Alexion's market presence and patient outreach. Ultimately, Gorman drives the commercial success and awareness of Alexion's critical treatments.

    Moh-Lim Ong - Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer

    Moh-Lim Ong, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer at Alexion, manages strategic business planning and operational oversight for the medical office, concurrently leading marketing efforts. Overseeing the development and implementation of comprehensive marketing strategies, Moh-Lim Ong ensures Alexion's innovative medicines for rare disorders achieve broad market penetration. This critical position involves streamlining operational processes within the medical office and executing targeted marketing campaigns to communicate therapeutic value. By integrating business planning with marketing execution, Moh-Lim Ong strengthens Alexion's brand and expands patient access to essential treatments. Ultimately, Ong drives the strategic initiatives that support Alexion's mission of transforming patient lives.

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    Frequently Asked Questions Regarding Alexion Top Executives and Leadership Team

    Who leads Alexion?
    Alexion is led by Patrice Coissac (President), along with executives such as Yi Su (Chief Revenue Officer & Manager) and Annie Mirabelli (Executive Vice President & Chief Human Resources Officer).
    Who is part of Alexion’s executive team?
    The executive team of Alexion includes leaders such as Patrice Coissac (President), Yi Su (Chief Revenue Officer & Manager), Annie Mirabelli (Executive Vice President & Chief Human Resources Officer) and other senior executives.
    How many executives does Alexion have?
    Alexion has 6 executives leading key business areas.
    What roles are included in Alexion’s leadership team?
    The leadership team of Alexion includes roles such as President, Chief Revenue Officer & Manager, Executive Vice President & Chief Human Resources Officer, Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development, Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer.