Alexion Executive and Leadership Team

September, 2026

Leadership Overview

Alexion has 5 executives leading key functions including revenue management, operational strategy, medical planning, marketing, and corporate leadership.

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

Leadership Roles at Alexion

  • President - Patrice Coissac
  • 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
  • Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer - Sean Gorman
  • Patrice Coissac - President

    Patrice Coissac, the President at Alexion, directs the overarching corporate strategy and manages the global execution of the company's biopharmaceutical mission. Overseeing the alignment of research, development, and commercialization efforts, the President ensures that the organization remains focused on delivering medicines for severe and life-threatening rare disorders. This leadership role involves guiding the executive team through complex market challenges and fostering a culture of innovation. By setting the strategic vision for international operations, Patrice Coissac directly impacts the company's ability to address unmet patient needs on a global scale. The President maintains constant engagement with the board to ensure that corporate objectives support long-term growth and sustainability. Through decisive leadership, Coissac drives the organization toward achieving its goal of transforming the lives of patients suffering from rare diseases through scientific excellence and operational rigor.

    Yi Su - Chief Revenue Officer & Manager

    Yi Su, the Chief Revenue Officer & Manager at Alexion, directs all global commercial revenue streams and manages complex financial portfolios. Overseeing the expansion of rare disease therapeutic access, the Chief Revenue Officer & Manager ensures alignment between market demand and product availability. This leadership role involves optimizing pricing strategies to support the discovery and development of life-threatening disorder treatments. By analyzing international market trends, Yi Su directly impacts the company's ability to scale operations across diverse geographic regions. The Chief Revenue Officer & Manager maintains rigorous oversight of sales performance metrics to guarantee long-term fiscal health. Through constant collaboration with the executive board, Su secures the necessary capital to fund ongoing biopharmaceutical research. Ultimately, Su drives the financial stability required to sustain the mission of delivering innovative medicines to patients worldwide.

    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, architects the internal frameworks governing drug development and safety protocols. Overseeing the integration of regulatory compliance with clinical trial timelines, the Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development ensures that all safety standards meet global requirements. This leadership role involves coordinating cross-functional teams to streamline the path from discovery to commercialization for rare disease therapies. By refining operational workflows, Mackenzie Halter directly impacts the efficiency of the development pipeline. The Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development manages high-level strategic initiatives that align with the broader corporate mission. Ultimately, Halter secures the operational integrity necessary to bring life-saving treatments to market with speed and precision.

    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, directs the strategic planning for medical office operations and global marketing initiatives. Overseeing the communication of clinical value to healthcare providers, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer ensures that medical data effectively supports the commercialization of rare disease medicines. This leadership role involves bridging the gap between scientific discovery and market adoption through targeted outreach programs. By optimizing business planning processes, Moh-Lim Ong directly impacts the company's market penetration in key therapeutic areas. The Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer coordinates with internal stakeholders to maintain a consistent brand narrative across international markets. Ultimately, Ong drives the strategic growth of the medical office to ensure patients receive timely access to essential therapies.

    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, architects the operational infrastructure for medical planning and commercial marketing campaigns. Overseeing the allocation of resources for medical education and patient advocacy, the Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer ensures that clinical insights reach the appropriate medical communities. This leadership role involves analyzing market data to refine the commercialization strategy for life-threatening disorder treatments. By implementing robust business planning models, Sean Gorman directly impacts the scalability of medical office operations. The Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer collaborates with global teams to ensure that marketing efforts remain compliant and impactful. Ultimately, Gorman secures the necessary operational support to advance the company's position as a leader in the biopharmaceutical industry.

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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 Mackenzie Halter (Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development).
    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), Mackenzie Halter (Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development) and other senior executives.
    How many executives does Alexion have?
    Alexion has 5 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, Operations Senior Director, Strategy & Chief of Staff To, Regulatory & Safety Head of Development, Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer, Director, Business Planning & Operations Medical Office Chief & Chief Marketing Officer.