Manager - US Forecasting Specialty

About This Role

The Manager, US Forecasting will be a key member of the Decision Sciences – Forecasting Center of Excellence team, supporting the development, execution, and ongoing refinement of forecast models for Biogen’s US business across key franchises. This role focuses on building robust, data‑driven forecasting models by leveraging primary and secondary data sources, generating actionable insights, and supporting strategic planning and resource allocation.

The individual will work cross‑functionally to gather inputs, align on assumptions, and deliver forecasts that enable data‑driven decision‑making. This position offers a strong mix of analytical execution, cross‑functional collaboration, and growing strategic exposure. The role reports to the Senior Director, Forecasting COE.

• Short‑ and long‑term brand and market revenue forecasting, including developing assumptions, updating models, and assisting in communicating outputs to stakeholders (Marketing, I&A, Finance).
• Build and maintain forecast models using epidemiology‑based patient flows, sales and demand trends (weekly/monthly), inventory dynamics and revenue deductions.
• Conduct scenario analyses (e.g. sensitivity testing, basic Monte‑Carlo simulations) to evaluate risks and opportunities.
• Partner cross‑functionally to incorporate key inputs from Market Research (demand studies, conjoint outputs), Analytics (claims‑based KPIs, patient flows), Market Access (pricing, access, and gross‑to‑net dynamics), and Finance (revenue planning and targets).
• Support long‑range planning exercises in collaboration with US and Global teams.
• Assist in reconciling internal forecasts with external expectations (e.g. investor or analyst views).

• Own components of forecast model development, maintenance, and updates.
• Ensure models are accurate, transparent, and incorporate latest insights and data sources.
• Help identify and implement enhancements to forecasting tools and methodologies.
• Develop and maintain documentation for models, assumptions, and processes.
• Support tracking forecast performance versus actuals and identify drivers of variance.
• Contribute to building best practices and knowledge‑sharing within the Forecasting COE.

• Support forecasting work streams in key brand or franchise projects.
• Manage timelines and deliverables for assigned forecasting analyses.
• Contribute to ad‑hoc analyses and business case development as needed.
• Collaborate effectively across teams to gather inputs and ensure alignment.

• Analytically strong and detail‑oriented, with a passion for forecasting and using data to inform business decisions.
• Comfortable working with cross‑functional teams and eager to deepen expertise across therapeutic areas and commercial dynamics.

• Bachelor’s degree required (preferred: Mathematics, Statistics, Economics, HEOR, or similar).
• 3–5 years of experience in pharma/biotech, consulting, or analytics‑focused roles.
• 1+ years of experience in forecasting, commercial analytics, or related area preferred.
• Foundational understanding of forecasting methodologies (epi‑based, demand‑based models), pharma data sources (sales, claims, specialty pharmacy, demand studies), revenue dynamics (gross‑to‑net, access considerations).
• Strong analytical and quantitative skills: advanced Excel modeling required.
• Familiarity with statistical tools and scenario modeling (e.g. @Risk, Crystal Ball) preferred.
• Ability to synthesize data into clear, actionable insights.
• Strong collaboration and communication skills.
• Ability to manage multiple priorities and deliver high‑quality work with moderate guidance.

Management

The base compensation range for this role is: $–$. Base salary offered is determined through an analytical approach utilizing a combination of factors including, but not limited to, relevant skills & experience, job location, and internal equity. Regular employees are eligible to receive both short‑term and long‑term incentives, including cash bonus and equity incentive…