Who we are REGENXBIO is an exceptional place to work. You'll have the opportunity to collaborate with some of the best and the brightest people, touch amazing science, and be a part of extraordinary plans. Our core values: Trust, Accountability, Perseverance, and Innovation drive everything we do. We aim to bring these values to life every day with all that we do, and we believe that what we do matters - to patients, to their families, and to their communities. The opportunity As a Market Development Director, you will drive regional strategy and commercial launch readiness in support of our innovative therapies for rare and neuromuscular diseases. In this field-based leadership role, you'll lead strategic engagement with key stakeholders and treatment centers, ensuring regional alignment with REGENXBIO's broader go-to-market objectives. As a vital connection between internal teams, including Sales, Medical Affairs, Patient Services, Advocacy, Marketing, and Market Access—and external ecosystem partners, you'll shape and execute regional strategies that support treatment access and long-term market development for REGENXBIO's products.