Senior Director, Medical Affairs – Oncology (solid tumor and hematology) is a senior scientific and strategic leader responsible for setting the medical vision and driving cross‑functional execution across the oncology therapeutic area (TA). This individual serves as the primary medical authority for the oncology business unit, leading a team of Medical Affairs professionals to deliver evidence‑based, patient‑centric medical strategies that support peri‑launch and lifecycle commercialization of oncology assets.

This role combines deep oncology expertise with organizational leadership, requiring the ability to influence at the executive level, partner effectively with Commercial, Regulatory, Clinical Development, Market Access, and external stakeholders, and shape a high‑performance culture grounded in scientific rigor, inclusion, and continuous learning.

This is a hybrid role – onsite presence at our Toronto office will be 10 days or more per month (or at least 50% ...