Debra Leong

Debra Leong is Vice President II and Head of Commercial Strategy & Planning at Exelixis, where she leads enterprise portfolio strategy, business development, and new product planning and serves as a decision-support partner to executive leadership. With more than 15 years of experience across oncology and rare diseases, she built and scaled Exelixis' Commercial Strategy & Planning organization and has driven commercial strategy for 10+ pipeline programs from preclinical research through Phase 3. Her work spans indication prioritization, lifecycle planning, and portfolio forecasting, and includes commercial diligence supporting five-plus licensing transactions and two clinical collaborations. Debra previously held portfolio and franchise strategy roles at Genentech and advised global life-sciences clients at Navigant Consulting. She holds M.S. and B.S. degrees in Biomedical Engineering from Columbia University.