We are seeking a highly motivated and experienced Senior Director, Field Medical Affairs Team Lead to lead the strategic development, build-out, and execution of the field medical organization in support of rese-cel in myositis and other autoimmune diseases. This leader will play a critical role in shaping field medical strategy, generating scientific insights, and establishing strong relationships with trial investigators, key opinion leaders (KOLs) and cell therapy treatment centers in a highly specialized and evolving therapeutic area. Responsibilities: Leadership & Team Development Build, lead, and mentor a high-performing MSL team aligned with pre-launch and launch objectives Establish team structure, hiring plans, onboarding, and training programs tailored to cell therapy complexities Foster a culture of scientific excellence, compliance, collaboration, and continuous learning Set performance expectations and ensure execution against strategic medical goals Medical Strategy & Execution Develop and implement the field medical strategy for rese-cel in alignment with medical and business plans Translate clinical and scientific data into impactful field engagement strategies Ensure readiness for launch, including scientific messaging, training materials, and KOL engagement plans Lead insight generation and ensure actionable feedback is integrated into broader medical and commercial strategies KOL & External Engagement Oversee strategic engagement with KOLs, investigators, and key cell therapy treatment centers Guide MSL team in delivering high-quality scientific exchange and managing complex clinical discussions Support advisory boards, investigator meetings, and scientific forums (including medical conferences) as appropriate Identify emerging thought leaders and key institutions in the cell therapy ecosystem Cross-Functional Collaboration Partner closely with Clinical Development, Clinical Operations, Commercial, Market Access, and Compliance Teams in order to achieve company objectives for clinical trial execution and pre-launch planning Provide field insights to inform clinical trial design, evidence generation, and access strategies Support pre-launch planning, including disease state education and treatment pathway mapping Ensure alignment between field medical activities and broader organizational objectives Pre-Launch & Launch Readiness Participate in the development of launch readiness plans from a field medical affairs perspective Anticipate and address barriers related to cell therapy adoption (e.g., site readiness, logistics, safety concerns) Have an understanding of the national and regional healthcare and access environment Contribute to scientific narrative development and publication strategy Ensure compliance with all regulatory and legal requirements Operational Excellence Develop and manage budgets, KPIs, and reporting frameworks for the MSL organization Implement systems and tools to optimize field medical effectiveness Ensure adherence to compliance standards and company policies Monitor competitive landscape and evolving clinical data Qualifications: