
Alexion develops and markets life-changing drugs for rare and severe diseases, including Hematology & Nephrology.
The MSL Lead is responsible for leading and developing a team of Medical Science Liaisons (MSLs) to ensure the delivery of high-quality scientific engagement and medical value to external stakeholders. The role combines scientific expertise, strategic leadership, and operational excellence to drive the Medical Affairs strategy within the assigned therapeutic area.
The MSL Lead serves as a key partner to cross-functional teams, translating medical strategy into actionable field plans, identifying emerging scientific insights, and ensuring that stakeholder needs and patient perspectives are incorporated into Medical Affairs activities. The individual provides coaching and guidance to the MSL team, fosters high performance, and ensures execution of field medical objectives in compliance with applicable regulations and company policies.
He/She provides scientific and medical leadership to establish a deep understanding of the medical landscape in relation to relevant hematological and nephrological diseases and Alexion products. The MSL Lead Hematology & Nephrology makes strategic contributions to Alexion’s hematological and nephrological disease activities and supports all functions of the German subsidiary in this field to achieve local goals and Alexion Global Medical Affairs to achieve treatment outcomes through the establishment and continuous improvement of evidence-based medical care standards.
It ensures that all activities of its team are consistent with the overall Alexion strategy and all internal and external policies and standards.
07-Sep-2026
Alexion is proud to be an Equal Employment Opportunity and Affirmative Action employer. We are committed to fostering a culture of belonging where every single person can belong because of their uniqueness. The Company will not make decisions about employment, training, compensation, promotion, and other terms and conditions of employment based on race, color, religion, creed or lack thereof, sex, sexual orientation, age, ancestry, national origin, ethnicity, citizenship status, marital status, pregnancy, (including childbirth, breastfeeding, or related medical conditions), parental status (including adoption or surrogacy), military status, protected veteran status, disability, medical condition, gender identity or expression, genetic information, mental illness or other characteristics protected by law. Alexion provides reasonable accommodations to meet the needs of candidates and employees. To begin an interactive dialogue with Alexion regarding an accommodation, please contact accommodations@Alexion.com. Alexion participates in E-Verify.

Alexion, AstraZeneca Rare Disease is focused on pioneering new possibilities for the rare disease community. We are driven by a mission to change what it means to live with a rare disease.
A leader in rare disease for more than three decades and today continues to build a diversified pipeline across disease areas with significant unmet need, using an array of innovative modalities.
As part of AstraZeneca, Alexion is continually expanding its global geographic footprint to serve more rare disease patients around the world. It is headquartered in Boston, US.
Alexion’s pioneering legacy in rare disease is rooted in being the first to translate the complex biology of the complement system into novel medicines. Alexion pushes boundaries to accelerate discovery of life-changing medicines. Headquartered in Boston, Massachusetts, Alexion has offices around the world and continues to expand its reach to benefit more people globally.
GL/NP/0116
GL/NP/0095
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