A Smarter Path for U.S. Organ Donation
Penn LDI Experts Show How Access to the Best Care for Donors Could Improve
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.
Trump’s Homelessness Order Sparks Fears of a Return to the Asylum Era
LDI Expert Warns it Could Expand Forced Confinement of Those Who Are Homeless
Penn LDI at the 2026 AcademyHealth Annual Research Meeting
A Gathering of Health Services Researchers During One of the Field’s Most Tumultuous Years
Penn Research Posters at 2026 AcademyHealth Research Meeting
Photo Feature of Investigators and Their Work
Temperature Extremes Mean More No-Shows at Pediatric Visits
Kids Missed Doctor’s Appointments More Often in Severe Weather
Kids Are Getting Sicker. The NIH Must Adapt, LDI Fellow Writes
His Team Urges NIH Reforms to Spur Pediatric Research and Reverse America’s Worsening Child Health Crisis
Impact Report
Our commitment to driving positive change through transformative research powered a series of standout achievements in 2025. Explore how we turned evidence into action to shape smarter health policy.
Upcoming Events
In-Person Event
2026 SUMR Research Symposium
Penn LDI Summer Undergraduate Mentored Research Program
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.
Lakeisha Mulugeta-Gordon, MD
- Clinical Fellow, Gynecologic Oncology , Perelman School of Medicine
- Master’s in Health Policy Research Candidate , Perelman School of Medicine
Jerry Johnson, MD
- Professor Emeritus, Medicine , Perelman School of Medicine
Maria Altieri, MD, MS
- Assistant Professor, Surgery , Perelman School of Medicine
Jeffrey Silber, MD, PhD
- Professor, Pediatrics , Perelman School of Medicine
- Professor, Health Care Management , Wharton School
Siva Mathiyazhagan, PhD, MSW
- Research Assistant Professor , School of Social Policy & Practice
Qi Long, PhD
- Professor, Biostatistics, Epidemiology and Informatics , Perelman School of Medicine
- Professor, Computer and Information Science , School of Engineering and Applied Science
Jere Behrman, PhD
- Professor, Economics and Sociology , School of Arts and Sciences
Dolores Albarracín, PhD
- Professor, Psychology , School of Arts and Sciences
- Professor, Health Care Management & Policy , Wharton School
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
