Why White Men in the U.S. Face Surprising Health Challenges
White Men’s Social Advantages May Fuel Suicide and Poor Health, LDI Expert Says
Our Mission
We connect researchers from across the University of Pennsylvania with a common mission: to improve health and health care by catalyzing collaborative, multidisciplinary research that influences policy and practice.
Featured Research Updates
LDI generates critical evidence to improve U.S. health care delivery, patient care, and health policy.
Lower Costs, More Paperwork: New Barriers to Prescription Drugs
Chart of the Day: Medicare, Medicaid, and Insurers Replaced High Costs With More Hurdles, LDI Expert Finds
David Grande Appointed Interim Executive Director of LDI
Will Serve as Provost Office Search for Permanent Director Continues
Opioid Prescriptions Can Lead to Misuse and Poor Job Performance
Military Data Link New Opioid Prescriptions to Fewer Promotions and More Misconduct
LDI and American Healthcare
The Pennsylvania Gazette Reflects on How LDI’s Leaders and Fellows Are Meeting the Federal Policy Moment
Lincoln Was Sick at Gettysburg. It May Explain His Greatest Speech
An LDI Fellow Argues Smallpox Forced Lincoln’s Brevity—and Changed History
Upcoming Events
In-Person Event
2026 SUMR Research Symposium
Penn LDI Summer Undergraduate Mentored Research Program
Virtual Event
Consumer-Directed Health Care: Promise or Pitfall
A Conversation with Sherry Glied, PhD, and Stephen Parente, PhD, MPH
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.
Angel Tsai-Hsuan Chung
- PhD Student, Operations, Information, and Decisions , Wharton School
Kimberly Waddell, PhD, MSCI
- Assistant Professor, Physical Medicine and Rehabilitation , Perelman School of Medicine
James Guevara, MD, MPH
- Professor, Pediatrics , Perelman School of Medicine
- Professor, Epidemiology, Biostatistics, & Informatics , Perelman School of Medicine
Harold Feldman, MD, MSCE
- Emeritus Professor, Biostatistics and Epidemiology , Perelman School of Medicine
- Director, Center for Clinical Epidemiology and Biostatistics , Perelman School of Medicine
Tori Sutherland, MD, MPH
- Assistant Professor, Anesthesiology and Critical Care , Perelman School of Medicine
Katharine Rendle, PhD, MPH
- Associate Professor, Family Medicine and Community Health , Perelman School of Medicine
- Associate Professor, Epidemiology , Perelman School of Medicine
Tarryn Tertulien, MD, MSc
- Clinical Fellow, Cardiovascular Medicine , Perelman School of Medicine
Eileen Lake, PhD, RN
- Edith Clemmer Steinbright Professor of Gerontology , Penn Nursing
- Professor, Sociology , School of Arts and Sciences
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