Pioneering Medicines, a division of Flagship Pioneering, is building a world-class biopharmaceutical R&D capability focused on conceiving and developing life-changing treatments for patients by harnessing the power of Flagship's scientific platforms and applying those innovative approaches to serious diseases with unmet medical need. Unique to Pioneering Medicines' approach is the opportunity to combine platforms to create truly novel and potentially transformative treatments. Pioneering Medicines is seeking a curious and driven scientist with either basic science or clinical medicine (or both!) experience to imagine and create transformative therapies using Flagship's broad array of novel platforms and technologies. Reporting to the Head of Explorations, this role focuses on leading new product concept explorations through an iterative hypothesis generation and refinement process.