Jonathan M. Ellen, M.D.
President and Physician-in-Chief
All Children’s Hospital Johns Hopkins Medicine

Dr. Jonathan Ellen
[Get full-size image]

Dr. Ellen is a pediatrician and Professor of Pediatrics specializing in adolescent medicine and public health.  When All Children’s Hospital and Johns Hopkins Medicine announced their integration agreement in 2010, Dr. Ellen was named the Johns Hopkins School of Medicine Vice Dean for All Children’s Hospital. In 2011 he became Physician-in-Chief, and in 2012 he was also appointed President of All Children’s Hospital and Chairman of the All Children’s Health System board of trustees.

After graduating from the University of Pennsylvania, he received his medical degree from Temple University and completed an internship and residency in pediatrics at Children’s Hospital of Philadelphia. Dr. Ellen completed a fellowship in adolescent medicine at the University of California, San Francisco (UCSF), followed by fellowships in sexually transmitted diseases at UCSF, the San Francisco Department of Public Health, and the Centers for Disease Control and Prevention (CDC).

In 1999, Dr. Ellen joined the Johns Hopkins School of Medicine faculty. He served as Vice Chair, Department of Pediatrics (2004-2010) and led the Center for Child and Community Health. In 2006, he was named director of the Department of Pediatrics and Neonatology at Johns Hopkins Bayview Medical Center. Dr. Ellen is a Professor of Pediatrics in the Hopkins School of Medicine and also a Professor of Epidemiology and Population, Family and Reproductive Health in the Bloomberg School of Public Health.

Dr. Ellen’s research focuses on prevention of sexually transmitted infections, including HIV,  in adolescents and the structural and environmental factors associated with disease transmission. He has worked with communities and governments around the U.S. and the world on HIV prevention. As a leader of the Adolescent Medicine Trials Network for HIV/AIDS Intervention, Dr. Ellen was the principal investigator and protocol chair for Connect to Protect®, a community coalition-based program focused on HIV prevention through structural change.

Dr. Ellen has authored more than 166 peer-reviewed scientific articles and 30 reviews, editorials and book chapters, and has trained more than 40 pre- and post-doctoral fellows in the fields of adolescent medicine and public health. He received numerous research awards from the CDC, the National Institutes of Health and other agencies.

At All Children’s Hospital Johns Hopkins Medicine, Dr. Ellen is leading academic transformation through the development of new education and research programs, including an innovative ACH JHM pediatric residency training program that begins July 2014, new fellowship programs, and a Clinical and Translational Research Organization dedicated to new understanding, treatment and prevention of pediatric disease and pediatric-onset of chronic disease in adults.

Raised in Philadelphia, Dr. Ellen now resides in St. Petersburg. He and his wife, attorney Margaret de Lisser, have two teenage children.