Lesley Oakes O'Keefe

Lesley Oakes O'Keefe currently serves as the Executive Director of Commercial Insights and Analytics at Gossamer Bio, a position held since October 2025. Prior to this role, Lesley accumulated extensive experience at Sarepta Therapeutics, advancing through various leadership roles from January 2017 to October 2025, including Executive Director of Enterprise Data Strategy and Senior Director of Commercial Analytics. Lesley's earlier career includes significant positions at Biogen, EMD Serono, Vertex Pharmaceuticals, and Pfizer, focusing on analytics, commercial operations, and market access. Lesley holds an MBA in Operations from Cornell Johnson Graduate School of Management and a BA in Psychology from Cornell University.