Dan Shellenbarger
Partner and Provider Team Leader
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Dan is a partner in Oliver Wyman’s Health and Life Sciences practice, where he focuses on revenue growth and operational effectiveness.

He advises healthcare and life sciences organizations on commercial strategy, sales effectiveness, pricing, product design, and business transformation. His work helps clients align strategy with execution, improve cross-functional collaboration, and build the capabilities needed to drive sustainable growth.

Dan has led major engagements spanning sales organization redesign, strategic pricing, integrated health management, product bundling, and benefits distribution. He has also helped clients assess changing market dynamics, identify growth opportunities, and translate strategic priorities into practical operating plans.

Double Quotes
Growth is strongest when strategy and execution move together. The real challenge is turning commercial ambition into clear priorities, aligned teams, and practical actions that improve performance

Before joining Oliver Wyman, Dan spent 10 years at ZS Associates advising pharmaceutical and biotechnology companies on sales and marketing strategy across the US, Europe, South America, and Asia. He later joined ChapterHouse, which became part of Oliver Wyman in 2008.

Dan holds a BBA from the University of Michigan and an MBA from Duke University.