Senior Director, Alliances & Portfolio Execution

Flagship Pioneering in Cambridge, MA is seeking a Senior Director, Alliance & Program Management to serve as an operational and strategic partner to the COO and program teams. The role emphasizes day-to-day alliance execution, governance, and building disciplined program management across a growing portfolio.

The ideal candidate has 10–15+ years in biotech/pharma alliance and program leadership, with hands-on experience leading multi-program portfolios and executive governance.