About This Role The Associate Director, Data Science Lead, will play a pivotal role in Biogen’s Data Science team, driving the development of advanced modeling solutions that inform strategic business decisions across Marketing, Sales, and Access. This role will be responsible for leading high-impact data science initiatives including marketing optimization, patient-level predictive analytics, machine learning-based personalization, and field force effectiveness strategies. As a hands-on contributor, you will guide and execute while collaborating with cross-functional teams to ensure that data science outputs are actionable, accurate, scalable, and aligned with brand priorities. You’ll be a thought partner to commercial leadership, championing the use of data and AI to deliver measurable business value.