Alexion Executive and Leadership Team

August, 2026

Leadership Overview

Alexion has 6 executives leading key functions including human resources, medical operations, revenue management, strategic development, marketing, and corporate leadership.

Committed to transforming lives through rare disease research, Alexion advances global biopharmaceutical innovation by delivering life-saving therapies for patients facing severe, life-threatening disorders.

Leadership Roles at Alexion

  • President - Patrice Coissac
  • Executive Vice President & Chief Human Resources Officer - Annie Mirabelli
  • Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer - Sean Gorman
  • Chief Revenue Officer & Manager - Yi Su
  • 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 - Moh-Lim Ong
  • Patrice Coissac - President

    Patrice Coissac, the President at Alexion, directs the overall corporate strategy and operational execution for the global biopharmaceutical organization. By setting the vision for research and commercial success, the President ensures that all departments remain focused on the mission of treating rare disorders. Coissac oversees the executive team to maintain alignment with the company's long-term growth objectives. This leadership role involves representing the company to investors, partners, and the broader medical community. Through strategic decision-making, the President navigates the complexities of the global pharmaceutical landscape to ensure sustained innovation. Patrice Coissac also fosters a culture of excellence and accountability across all international operations. By prioritizing the development of life-saving medicines, the executive leadership function drives the company's impact on patient health. Ultimately, Coissac secures the strategic direction required to maintain the company's position as a leader in the biopharmaceutical industry.

    Annie Mirabelli - Executive Vice President & Chief Human Resources Officer

    Annie Mirabelli, the Executive Vice President & Chief Human Resources Officer at Alexion, directs the global talent strategy and organizational culture initiatives. By aligning workforce capabilities with the biopharmaceutical mission, the Executive Vice President & Chief Human Resources Officer fosters an environment conducive to scientific breakthrough and operational excellence. Mirabelli oversees recruitment, leadership development, and employee engagement programs across all international sites. This role ensures the company attracts top-tier scientific talent necessary for developing medicines for rare disorders. Through rigorous performance management systems, the Executive Vice President & Chief Human Resources Officer maintains high standards of productivity and innovation. Annie Mirabelli also collaborates with the board to refine compensation structures that incentivize long-term research goals. By prioritizing diversity and inclusion, the human resources function strengthens the overall capacity to address complex medical challenges. Ultimately, Mirabelli secures the human capital required to sustain the company's competitive edge in the rare disease market.

    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, manages the commercialization strategy for rare disease therapies. By integrating medical insights with market data, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer optimizes product positioning across North American and European markets. Gorman leads cross-functional teams to ensure seamless delivery of life-saving medicines to patients. This leadership role involves analyzing market trends to identify growth opportunities within the biopharmaceutical sector. Through strategic planning, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer aligns marketing efforts with clinical development milestones. Sean Gorman also coordinates with the medical office to ensure accurate communication of therapeutic benefits to healthcare providers. By streamlining operational workflows, the marketing function enhances the efficiency of product launches. Ultimately, Gorman drives revenue growth while maintaining a steadfast focus on patient outcomes and therapeutic accessibility.

    Yi Su - Chief Revenue Officer & Manager

    Yi Su, the Chief Revenue Officer & Manager at Alexion, architects the financial growth strategy and revenue generation models for the company's rare disease portfolio. By overseeing global sales operations, the Chief Revenue Officer & Manager ensures consistent market penetration and financial stability. Su manages complex pricing strategies that reflect the high value of specialized biopharmaceutical treatments. This leadership role involves close collaboration with the finance department to forecast revenue streams and optimize resource allocation. Through data-driven decision-making, the Chief Revenue Officer & Manager identifies emerging market opportunities and mitigates commercial risks. Yi Su also directs the implementation of sales force effectiveness programs to maximize reach among specialized medical practitioners. By fostering strong relationships with key stakeholders, the revenue function supports the long-term sustainability of the company's research pipeline. Ultimately, Su secures the financial foundation necessary for continued investment in life-threatening disorder treatments.

    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, coordinates the strategic alignment between regulatory compliance and clinical development. By managing the operational interface for safety protocols, the Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development ensures that all research activities meet rigorous global standards. Halter facilitates communication between the development teams and regulatory bodies to expedite the approval process for new therapies. This leadership role involves overseeing project timelines and resource distribution to maintain development momentum. Through strategic planning, the Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development optimizes the path from discovery to commercialization. Mackenzie Halter also supports the head of development in executing long-term research objectives. By streamlining internal processes, the strategy function enhances the efficiency of the entire development lifecycle.

    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, focuses on the operational execution of medical affairs and patient-centric marketing initiatives. By driving the integration of medical data into commercial strategies, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer ensures that therapeutic value is clearly communicated to the medical community. Ong oversees the planning of medical education programs that support the adoption of rare disease treatments. This leadership role involves managing the operational infrastructure that supports the medical office's interactions with healthcare systems. Through strategic oversight, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer aligns marketing campaigns with clinical evidence. Moh-Lim Ong also collaborates with regional teams to adapt commercial strategies to local market needs. By optimizing operational processes, the medical marketing function enhances the company's ability to reach underserved patient populations.

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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 Annie Mirabelli (Executive Vice President & Chief Human Resources Officer) and Sean Gorman (Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer).
    Who is part of Alexion’s executive team?
    The executive team of Alexion includes leaders such as Patrice Coissac (President), Annie Mirabelli (Executive Vice President & Chief Human Resources Officer), Sean Gorman (Director, Business Planning & Operations Medical Office Chief & Chief Marketing 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, Executive Vice President & Chief Human Resources Officer, Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer, Chief Revenue Officer & Manager, Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development.