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Darby Walser

Senior Analyst of Market Research

Expertise: Payer Market Research, Commercial Strategy, and Biosimilars

Darby Walser is a Senior Analyst of Market Research at MMIT, where she advises pharmaceutical clients on payer perspectives, coverage dynamics, and market access challenges. She supports research across the product lifecycle, helping clients understand stakeholder behavior and generate insights to inform strategic decision-making.

Insights by Darby Walser

Article | August 25, 2026

How Vertical Integration Is Rewriting Biosimilar Strategy

Explore how vertical integration, contracting and PBM private-label strategies are reshaping biosimilar adoption and market access.
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