DM

Diane McDowell

Head Global Medical Affairs - Oncology

Diane McDowell currently serves as the Head of Global Medical Affairs for Oncology at Moderna since August 2025. Prior experience includes positions as Senior Vice President of Clinical Development and Medical Affairs at IO Biotech, Corporate Vice President of Global Medical Affairs for Oncology at Celgene, and Head of Global Scientific Affairs for Oncology R&D at GSK. Diane has a robust history in leading oncology-focused medical affairs teams, managing regulatory submissions, and overseeing clinical development initiatives. Notable roles also encompass Director of Oncology Global Clinical Research at Bristol Myers Squibb and various leadership positions in U.S. and global medical affairs operations within the same organization. Educational credentials include a fellowship in Breast Cancer from Fox Chase Cancer Center and medical degrees from Tulane University School of Medicine and Temple University.

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