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LDI generates critical evidence to improve U.S. health care delivery, patient care, and health policy.

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In the Media

Our Fellows shape the nation’s most consequential health policy debates by authoring op-eds and reaching millions through appearances in top media outlets, including The New York Times, Washington Post, STAT News, Newsweek, and more.

Our Experts

Our 500+ Fellows are national experts and thought leaders who bridge all of Penn’s schools, the University of Pennsylvania Health System, and the Children’s Hospital of Philadelphia.

David Abrams

David S. Abrams, PhD, MS

  • William B. and Mary Barb Johnson Professor of Law and Economics , Carey Law School
  • Professor, Business Economics and Public Policy , Wharton School
James Lewis

James Lewis, MD, MSCE

  • Professor, Medicine and Epidemiology in the Division of Gastroenterology and Hepatology , Perelman School of Medicine
Grace Chan

Grace Chan, MD, PhD

  • Associate Professor, Pediatrics , Children’s Hospital of Philadelphia
  • Associate Professor, Epidemiology , Perelman School of Medicine

What We Do

As Penn’s hub for health care delivery, health policy, and population health, we connect and amplify over 500 Fellows across the University, and train the next generation of researchers.

Fast Facts

$179M+
Awarded in External Grant Funding

12,100+
Journal Articles Published (2021–2025)

$622K+
Awarded in Research Grants from LDI