Dr. Varon is the Chief of Critical Care Services at Foundation Surgical Hospital and Past Chief of Staff at University General Hospital in Houston. He is Professor of Acute and Continuing Care at The University of Texas in Houston, and Clinical Professor of Medicine at the University of Texas Medical Branch in Galveston. He is Professor of Medicine, Surgery and Emergency Medicine at several universities. Dr. Varon is Board-certified in Internal Medicine, Critical Care, Pulmonary Diseases and Geriatrics and has added qualifications in Emergency Medicine and Sleep Disorders. An avid researcher, Dr, Varon has contributed over 700 peer-reviewed journal articles, 10 full textbooks, and 10 dozen book chapters to the literature. He co-described the hyponatremia associated to extreme exercise syndrome, also known as the “Varon-Ayus syndrome”. Dr. Varon has lectured in over 60 different countries around the globe.