First Responders Face Hidden Brain Injury Risks, Penn LDI Review Finds
Police, Firefighters, and EMTs Suffer More Injuries and Face Care Gaps, LDI Fellow 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.
When Hospitals Get Busier, Black Patients Face Higher Death Risk
Distributing Patients Across Hospitals Might Help Close the Racial Gap
$25 Nearly Doubled Black and Hispanic Clinical Trial Enrollment
LDI and CHIBE Fellows Find Small Cash Incentives May Help Close Gaps in Heart Research
“High-Deductible Health Plans Are Not the Answer”
They Cut Health Spending at First but Don’t Slow Long-Term Growth Rate, LDI Fellows Say
Reddit Could Be an Early Warning System for Drug Harms
Chart of the Day: Reddit Threads on Gas Station Heroin Can Reveal Substance Use Trends and Safety Concerns
Many Families Are Being Crushed by Energy Bills, Especially in the South
Chart of the Day: Almost Half of Households With Children Were Energy Insecure
Upcoming Events
Virtual Event
Consumer-Directed Health Care: Promise or Pitfall
A Conversation with Sherry Glied, PhD, and Stephen T. Parente, PhD, MPH, moderated by David Grande, MD, MPA
Virtual Event
Decoding the Moment: States Weigh in on Medicaid Fraud
A Conversation with Amir Bassiri, MSW, Drew Gonshorowski, MS, and Kevin Lownds, JD, moderated by Dan Gorenstein
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.
Ashley Booth, MSN, RN
- PhD Student, NewCourtland Center for Transitions and Health , Penn Nursing
Daniel Sack, MD, PhD
- Clinical Fellow, Infectious Diseases , Perelman School of Medicine
Elina Pliakos, MD
- Clinical Fellow, Cardiovascular Medicine Division , Perelman School of Medicine
Amanda O’Halloran, MD
- Assistant Professor, Anesthesiology and Critical Care , Perelman School of Medicine
Guy David, PhD
- Alan B. Miller Professor, Health Care Management , Wharton School
- Professor, Health Policy and Medical Ethics , Perelman School of Medicine
Jonathan Tan, MD, MPH
- Associate Professor, Anesthesiology and Critical Care , Children’s Hospital of Philadelphia
Neil Sehgal, ME
- PhD Student, Computer and Information Science , School of Engineering and Applied Science
Emily MacKay, DO, MSHP
- Assistant Professor, Anesthesiology and Critical Care , 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