Dr. Klag is Dean Emeritus of the Johns Hopkins Bloomberg School of Public Health, the oldest and largest independent graduate school of public health in the U.S. Dr. Klag is an internist and epidemiologist who earned his medical degree at the University of Pennsylvania and his MPH degree from the Johns Hopkins School of Hygiene and Public Health.

He served as Director of the Division of General Internal Medicine at the Johns Hopkins University School of Medicine and was the first Vice Dean for Clinical Investigation there. From 1988 to 2011 he also directed one of the longest running longitudinal studies in existence, the Precursors Study, which began in 1946. Dr. Klag has received numerous awards including an honorary doctorate from Juniata College and the James D. Bruce Memorial Award for Distinguished Contributions in Preventive Medicine from the American College of Physicians in 2012.

Dr. Klag’s scientific contributions have been in the prevention and epidemiology of kidney disease, hypertension and cardiovascular disease. Dr. Klag is the author of over 200 publications and was the Editor-in-Chief of the Johns Hopkins Family Health Book. Dr. Klag was chair of the NIH Advisory Board on Clinical Research and the Association of Schools of Public Health.