Experts Warn Addiction Policy is Weak Despite Falling Overdose Deaths
Penn LDI Panel Urges Family-Focused Strategy and Stronger Health System Response
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.
Virtual Nursing Gets Mixed Marks As Fix for Hospital Staffing Crisis
Remote Nurses Improved Quality Slightly but Can’t Replace Nurses at the Bedside, a New Study Finds
The Long-Term Care Experiment Everyone is Watching
Washington State’s First-in-the-Nation Insurance Plan Begins Payouts in Mid-2026, and Researchers Will Weigh its Effect on Care, Costs, and the Long-Term Care Markets
Loss of Vital Monitoring System Threatens Nation’s Health
Without Pressure From Congress, NHANES — Which Helped Uncover High Levels of Childhood Lead, Nutritional Deficiencies, and Forever Chemicals — Will Cease to Exist
Only One in Four High-Risk Rural Births Get Appropriate Hospital Care
A Multi-State Study Finds That Parents Often Travel 60+ Miles—With Distance, Insurance, and Race Driving Gaps in Maternal Care
Inside Medicare’s Stalled Shift to Value-Based Care
Former CMMI Leader Liz Fowler Cites Rigid Federal Scoring Rules and Bureaucratic Impatience for Pilot Failures
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
Write Winning NIH Grant Proposals – *TO BE RESCHEDULED!*
Invitation-only event
Open to Penn Affiliates
In-Person Event
Samuel P. Martin, III, MD Memorial Lecture with Marcella Nunez-Smith, MD, MHS — *CANCELED*
Promoting Health and Health Care Equity for Structurally Marginalized Populations: A Conversation with Rachel M. Werner, MD, PhD
Open to Penn Affiliates
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.
Paula Chatterjee, MD, MPH
- Director of Health Equity Research , Leonard Davis Institute of Health Economics
- Assistant Professor, Medicine , Perelman School of Medicine
Alex Rees-Jones, PhD
- Associate Professor, Business Economics and Public Policy , Wharton School
Arianne Morrison
- Instructor, Infectious Diseases , Perelman School of Medicine
Julia DiTosto, MS
- PhD Student, Biostatistics, Epidemiology, and Informatics , Perelman School of Medicine
Scott Jelinek, MD, MPH, MAEd
- Instructor, Adolescent Medicine , Children’s Hospital of Philadelphia
- Instructor, Pediatrics , Perelman School of Medicine
Kimberly Waddell, PhD, MSCI
- Assistant Professor, Physical Medicine and Rehabilitation , Perelman School of Medicine
Atheendar Venkataramani, MD, PhD
- Associate Professor, Medical Ethics and Health Policy , Perelman School of Medicine
- Director, Opportunity for Health Lab , Perelman School of Medicine
Domenique Villani, MPH, RN
- PhD Student, Center for Health Outcomes and Policy Research , Penn Nursing
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
$160M+
Awarded in External Grant Funding
11,300+
Journal Articles Published (2020–2024)
$400K+
Awarded in Research Grants from LDI