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Johns Hopkins Medicine International Board Members

Michael J. Klag, M.D., M.P.H. (ex officio)

Michael Klag, Johns Hopkins Medicine International board member

Dr. Michael J. Klag is Dean of the Johns Hopkins Bloomberg School of Public Health, the oldest and largest independent graduate school of public health in the world. The School currently has programs in more than 120 countries, with over 2,000 students who come from approximately 80 countries. He is chair of the Association of Schools of Public Health and chair of the NIH Advisory Board on Clinical Research.

 He is an internist and epidemiologist who earned his medical degree at the University of Pennsylvania and his master’s in public health degree from the Johns Hopkins School of Hygiene and Public Health. For eight years, he was Director of the Division of General Internal Medicine and was the first Vice Dean for Clinical Investigation at the Johns Hopkins School of Medicine, where he instituted new policies and procedures for oversight of human subject research. 

Dr. Klag is a world-renowned kidney disease epidemiologist whose scientific contributions have been in the prevention and epidemiology of kidney disease, hypertension and cardiovascular disease. He was one of the earliest investigators to apply epidemiologic methods to the study of kidney disease. In doing so, he and his collaborators were able to first determine that the U.S. was in the midst of an epidemic of end-stage kidney disease, determine the incidence of kidney disease, and publish the risk of developing kidney disease associated with blood pressure, diabetes, race, socioeconomic status and other factors. These findings are considered landmark contributions.

He directs one of the longest running longitudinal studies in existence, the Precursors Study, which began in 1946. Results of that study demonstrated that serum cholesterol measured at age 22 years predicts cardiovascular disease in midlife. This work had a profound impact on the policy related to cholesterol screening in young people. He has also shown that health behaviors and other factors lead to the development of hypertension, and that differences in risk of hypertension in urban and non-urban societies can be explained by differences in health behaviors.

Dr. Klag is the author of more than 200 publications and was the Editor-in-Chief of the Johns Hopkins Family Health Book

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