Alexion, AstraZeneca Rare Disease is seeking a Director, Global Scientific Communications, Hematology to lead global scientific communications strategy, publication planning, and medical education for a high-impact Hematology portfolio across key lifecycle stages in Boston, one of the world's most competitive life sciences markets. Unlike many smaller biotech environments where communications leaders may be limited by a single asset, narrow funding horizon, or build-from-scratch infrastructure, this role offers strategic ownership, enterprise resources, global reach, mature publication governance, and the opportunity to contribute across an established rare disease platform.