Dr. Kelen is Professor and Chair of the Department of Emergency Medicine at the Johns Hopkins University. He is also Senior Professional Staff at the Johns Hopkins University Applied Physics Laboratory. He holds a joint appointment in the Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health and is a member of the Center for Injury Prevention.
Dr. Kelen became world renown for developing novel methods to study HIV and other blood borne pathogens with seminal work published in JAMA, NEJM, CID and Annals of Internal Medicine. His research in this area helped define the extent of the HIV epidemic, led to the adoption of universal precautions, and ushered in the era of HIV testing and counseling programs in ED settings.
In 1993, he became the first professor and chair of the Department of Emergency Medicine. Dr. Kelen was appointed the Director of the Johns Hopkins Office of Critical Event Preparedness and Response (CEPAR) in 2002, an enterprise-wide entity created to oversee the Institutions endeavors in preparing for, and responding to, a high impact disaster, particularly from potential terrorist action. In November 2005, Dr. Kelen and his team were awarded a grant from the Department of Homeland Security to lead a consortium studying how the nation can best prepare for and respond to potential large-scale incidents and disasters. This fifth Homeland Security Center of Excellence formally titled the National Center for the Study of Preparedness and Catastrophic Event Response (PACER), studies deterrence, prevention, preparedness and response, including issues such as risk assessment, decision-making, infrastructure integrity, surge capacity and sensor networks. Dr. Kelen maintains an active research program and has been continuously funded since 1987.
Dr. Kelen has served in numerous senior administrative positions, including as Chair of the Medical Board of the Johns Hopkins Hospital, a member of the Board of Trustees of Johns Hopkins Hospital (ex officio) the Past President of the Association of Academic Chairs of Emergency Medicine, the Past President of the Society of Teachers of Emergency Medicine.
Dr. Kelen has more than 175 publications and has authored/edited several major texts. His research has been recognized through numerous awards including the Society for Academic Emergency Medicine's Hal Jayne Academic Excellence Award and Leadership Award, the American College of Emergency Physicians’ Outstanding Contribution to Research Award, and the Emergency Medicine Foundation Center of Excellence Award. In recognition of his contributions, Dr. Kelen was elected to the Institute of Medicine of the National Academies of Science in 2005.