D.J. Jimenez, the author of Metabolism Diet: Boosting Metabolism At Any Age, knows exactly what it takes to help you reach your weight loss goals in a fraction of the time. D.J. is a certified personal trainer accredited by the world-class Cooper Institute. The Cooper Institute was founded in 1970 by the "Father of Aerobics," Kenneth H. Cooper, MD MPH. It is dedicated to scientific research in the field of preventive medicine and public health and communicating the results of research to the scientific and medical communities as well as to the general public.