Seven Things to Know About the FDA’s One-Trial Approach to Drug Approval
It Could Speed Drug Approvals but Also Make It Harder to Know if a Drug Works, Penn LDI Fellows Say
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.
45 Excess Child Deaths a Day in the U.S.
Half-Century Study Finds U.S. Trailing 13 Healthier OECD Nations
LDI Fellow Courtney Schreiber Elected to National Academy of Medicine
Cited for Exemplary Leadership and Transformative Research
Pennsylvania Nurses Are Overloaded, Putting Patients at Risk
Can More Nurses on a Unit Improve Care and Save Money for Pennsylvania Hospitals? A Debate Swirls
Scott Halpern and Paula Chatterjee Win American College of Physicians Awards
Cited for Excellence and Outstanding Achievement
A Physician-Researcher Cites the Power of Storytelling in STEM
How Community Engagement and Personal Narratives Can Bring Science to Life and Foster Trust
Upcoming Events
In-Person Event
Book Talk with Helen Redmond, LCSW
Liquid Handcuffs: Policing and Punishment in Methadone Clinics and the Future of Opioid Addiction Treatment
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.
Hojjat Salmasian, MD, PhD
- Vice President and Chief Data and Analytics Officer , Children’s Hospital of Philadelphia
- Associate Professor, Pediatrics , Perelman School of Medicine
Jeffrey Silber, MD, PhD
- Professor, Pediatrics , Perelman School of Medicine
- Professor, Health Care Management , Wharton School
Meghan Galligan, MD, MSHP
- Assistant Professor, Pediatrics , Perelman School of Medicine
- Assistant Professor, General Pediatrics , Children’s Hospital of Philadelphia
Ryan Ruff, PhD, MPH
- Associate Professor, Community Oral Health , Penn Dental Medicine
Arina Chesnokova, MD MPH
- Assistant Professor, Obstetrics and Gynecology , Perelman School of Medicine
Joanna Hart, MD, MSHP
- Assistant Professor, Medicine , Perelman School of Medicine
- Assistant Professor, Department of Medical Ethics and Health Policy , Perelman School of Medicine
Yoonjae Lee, DNP, APRN, FNP-BC
- PhD Student , Penn Nursing
Allison K. Hoffman, JD
- Professor, Law , Carey Law 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
Our Impact
Penn LDI’s success stems from creating multidisciplinary solutions to our nation’s most pressing health care problems. Explore 20 stories about the transformative power of our institute.
