Jorge E. Rodriguez, MD, is a board-certified intern­ist and gastroenterologist who received his medical degree from the University of Miami. He completed his residency in internal medicine at Tulane Medical School in New Orleans, and his fellowship in gastroenterology at Baylor University Medical Center in Dallas. Dr. Rodriguez has established himself as a leader in HIV treatment and intestinal diseases. He has appeared as an expert medical commentator on CNN News, Good Morning America Health, The Doctors, and The View. He is an MDVIP-affiliated physician and has had an internal medicine practice in Newport Beach, California, since 1988.

Susan Wyler, MPH, RD, is a registered dietitian who worked for many years as a cookbook author and food editor, most notably at Food & Wine magazine. Her books include Cooking from a Country Farmhouse, Cooking for a Crowd, and The Swiss Secret to Optimal Health, written with Dr. Thomas Rau. Wyler graduated from the University of North Carolina at Chapel Hill with a master's degree in public health. She also did advanced field work at the prestigious cancer research hospital Institut de Cancérologie Gustave Roussy in France. She lives in Chapel Hill, North Carolina.