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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.

Anna Wexler

Anna Wexler, PhD

  • Assistant Professor, Medical Ethics & Health Policy , Perelman School of Medicine
Ali Hamedani

Ali Hamedani, MD, MHS

  • Assistant Professor, Neurology , Perelman School of Medicine
  • Assistant Professor, Ophthalmology , Perelman School of Medicine
Molly Davis

Molly Davis, PhD

  • Assistant Professor, Department of Child and Adolescent Psychiatry and Behavioral Sciences , Perelman School of Medicine
  • Assistant Professor, Psychiatry , Perelman School of Medicine
Robert Gross

Robert Gross, MD, MSCE

  • Professor, Medicine , Perelman School of Medicine
  • Professor, Biostatistics and Epidemiology , Perelman School of Medicine
Shivan Mehta

Shivan Mehta, MD, MSHP

  • Associate Professor, Medicine and Health Policy , Perelman School of Medicine
  • Director, Population Health Lab , Perelman School of Medicine
Zeke Emanuel

Ezekiel J. Emanuel, MD, PhD

  • Diane v.S. Levy and Robert M. Levy University Professor, Medical Ethics & Health Policy , Perelman School of Medicine
  • Diane v.S. Levy and Robert M. Levy University Professor, Health Care Management , Wharton School
Zarina Ali

Zarina Ali, MD

  • Associate Professor, Neurosurgery , Perelman School of Medicine
  • Associate Professor, Orthopedic Surgery , 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