Reservoir has acquired AppliedPX, expanding our patient advocacy, engagement, and patient-centered evidence capabilities.
Together, we help clients move from patient insight to decision impact. Read More

OUR TEAM

Elisabeth Oehrlein, Ph.D.

Executive Vice President, Head of Patient Engagement
Elisabeth M. Oehrlein, Ph.D., MS, is a mixed methods researcher who leads qualitative and quantitative primary data collection studies to produce actionable patient and caregiver insights across the medical product lifecycle. Her expertise includes patient-centered evidence generation, clinical outcome assessment (COA) strategy and development, and patient-centered evidence planning. She partners with life sciences companies and patient organizations to identify patient-centered evidence needs, prioritize research investments, and develop evidence that reflects patients’ lived experience, unmet needs, burden of disease, and desired outcomes to inform research, development, regulatory, access, and post-launch decision-making.

 

Dr. Oehrlein founded AppliedPX, a patient-centered research and strategy consulting firm that was acquired by Reservoir in 2026. She currently serves as Principal Scientist at AppliedPX and Executive Vice President and Head of Patient Engagement at Reservoir. Prior to founding AppliedPX, she served on the National Health Council senior leadership team, where she directed research and educational initiatives focused on patient engagement, value assessment, and real-world evidence. She has spoken widely on patient-centered research, including invited presentations at the National Academy of Sciences and briefings to the Rare Disease Congressional Caucus. She has published extensively in medical, economic, and health policy journals and serves as an Associate Editor of Value in Health.

 

Elisabeth holds a BA from Franklin & Marshall College, an MS in Epidemiology from the University of Maryland School of Medicine’s Department of Epidemiology and Human Genetics, and a Ph.D. in Pharmaceutical Health Services Research from the University of Maryland School of Pharmacy.

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LATEST INSIGHTS

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A Clear Message from ASCO 2026: Precision Oncology Is Only as Strong as the Diagnostic Pathway Behind It
The Rising Importance of Patient Evidence
Reservoir Acquires Applied Patient Experience (AppliedPX) to Integrate Patient-Focused Evidence & Engagement Across Core Offers