The Senior Director of Marketing & Market Development will play an integral role in bringing our groundbreaking AAV gene therapies to patients with genetic cardiomyopathies. In this high-impact role, the incumbent will build Lexeo’s marketing function from the ground up, shaping brand strategy, market development, and launch readiness for first-in-class therapies poised to transform care in cardiac genetic diseases with high unmet need. You’ll combine strategic vision with hands-on execution, crafting compelling scientific narratives, driving disease awareness, and preparing providers, patients, and payers for a new era in gene therapy. This is a rare opportunity to define how life-changing science becomes real-world medicine.