Jonathan P. Weiner, DrPH
Professor of Health Policy & Management and of Health Informatics;
Director, Center for Population Health Information Technology
Johns Hopkins Bloomberg School of Public Health

Jonathan Weiner is a professor of health policy and management at the Johns Hopkins University’s Bloomberg School of Public Health in Baltimore, Maryland USA. He is also a professor of health informatics at the Johns Hopkins division of health sciences informatics.  He is the director of the newly formed Johns Hopkins Center for Population Health IT. (

On the training side, he is  the director of the Johns Hopkins doctoral training program in health services research & policy.  He is also the director of the Johns Hopkins public health informatics certificate training program.   

Dr. Weiner is an internationally regarded researcher, policy analyst and lecturer. His expertise includes: predictive modeling & risk adjustment, healthcare IT and health system integration, managed care, health workforce planning, quality of care measurement, and cross-national comparisons in the primary care sector.

His current research focuses on the application of electronic health records (EHRs) and HIT for population based applications such as quality measurement and predictive modeling. He is a frequent advisor to public and private health care organizations.  He is the co-developer and Executive Director of the Johns Hopkins ACG team. The ACG case-mix / predictive modeling methodology is population-based decision support software tool that is used to finance, manage and support the care of over 80 million persons in more than 15 nations.  See:

More at his web page: