Shaul G. Massry, MD, editor of the book's first three editions, is Professor Emeritus of Medicine and Physiology and Biophysics at the Keck School of Medicine, University of Southern California, Los Angeles, California. He served as Chief of its Division of Nephrology from 1974 to 2000. He has published over 600 scientific papers and over 80 book chapters, and he is editor or coeditor of 28 books. Dr. Massry has received honorary doctorates from 14 universities across Europe, including the oldest and prestigious Charles University (Prague, Czech Republic), The University of Bologna (Italy), and the University of Padua (Italy). Dr. Massry is a former president of the National Kidney Foundation (NKF).

Kamyar Kalantar-Zadeh, MD, PhD, MPH, is Professor of Medicine, Pediatrics, Public Health and Nursing Sciences, and Chief of Nephrology, University of California Irvine School of Medicine, Irvine, CA; Adjunct Professor of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA; and a staff physician in Veterans Affairs Hospital, Long Beach, CA. Dr. Kalantar is a former president of the International Society for Renal Nutrition and Metabolism and the International Federation of Kidney Foundations, co-chair of the joint steering committee of World Kidney Day, and Chair of the Medical Advisory Committee of the National Forum of the ESRD Networks. He has served as PI of a dozen National Institutes of Health grants and has coauthored over 800 manuscripts in peer-reviewed journals.