Dr. John A. Rumberger is trained in engineering [BAAE, MSc, PhD - The Ohio State University, 1972 and 1976, respectively] and in medicine [MD - University of Miami, 1978].

He did his internal medicine training at The Ohio State University [1981-1984] and his Cardiovascular Diseases Fellowship [1984-1987] at the University of Iowa. In 1987 Dr. Rumberger became a Consultant in the Department of Internal Medicine & Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota. During his tenure at the Mayo Clinic [1987-1998], Professor Rumberger established himself as a leader in the development and application of cardiac imaging, applied clinical physiology and Preventive Medicine. He has published over 200 scientific papers, 200 abstracts, 30 book chapters, and two books.

From 1998 until 2005, Dr. Rumberger was Medical Director of several Wellness Diagnostic Centers in Columbus, Ohio - specializing in early disease detection and diagnosis. He is author of "The Way Diet', a compendium of healthy dietary advise, exercise, and stress management. He was appointed Clinical Professor of Medicine at the Ohio State University, Columbus, Ohio in 2001.

In 2006 he joined the staff of the Princeton Longevity Center, Princeton, NJ as a staff physician and Director of Cardiac Imaging. Dr. Rumberger is recognized as an authority on the use of Cardiac CT, diagnostic, and Preventive Medicine. He is a Permanent Member of Who's Who in Health Care and has received numerous sponsored lectureships. He continues his clinical practice of early disease diagnosis, diet, and preventive medicine and enjoys lecturing on Preventive Medicine.

Dr. Rumberger posts educational information on the following sites:
https://twitter.com/DrRumberger
https://www.youtube.com/channel/UCCGmd4rfZOvV3hAF__z_HXA/feed and https://www.facebook.com/jarassociates?fref=ts