Serve as an active member of program teams generally for programs in Ph 1 and 2 and prepare for seamless asset hand-off to brand leadership generally during Phase 3. Partner with Clinical Development, Medical Affairs, Regulatory, and Market Access to ensure commercial perspectives are integrated into evidence-generation plans, development milestones, regulatory strategy, and access considerations. The Senior Director will partner closely across Program Leadership, Medical Affairs, Regulatory, Clinical Development, Business Development, Market Access, and other cross-functional teams to assess market opportunities, define differentiated product strategies, and inform enterprise investment decisions from early development through lifecycle management.