Adel E. Berbari is Professor of Internal Medicine/Physiology at the American University in Beirut, Lebanon. He graduated in 1959, had his residency training in Medicine at the American University of Beirut Medical Center from 1959 to 1963, and then was Research Fellow at the Peter Bent Brigham Hospital (Hypertension Unit), Boston, USA, from 1963 to 1966. He is Board Certified by the European Society of Hypertension as Clinical Hypertension Specialist. His main research interest focus on Hypertension, vascular medicine, and nephrology. He has already published several books with Springer: Cardiorenal Syndrome (2010), Special Issues in Hypertension (2012), Arterial Disorders (2015), all of these co-edited with Prof. Giuseppe Mancia. Giuseppe Mancia is a Professor Emeritus at the University of Milano-Bicocca and served as Professor of Medicine and Head of the First Division of Medicine at San Gerardo Hospital, Monza, Italy. He is an executive officer of the European Society ofHypertension and Chair of the ESH Educational Committee. Prof. Mancia has served as President of the European Society of Clinical Investigation, of the Italian Society of Hypertension and of the European Society of Hypertension, the International Society of Hypertension, and is a member ‘ex officio’ of the Executive Scientific Council of the American Society of Hypertension, among others. Dr. Mancia’s research interests include pathophysiology, diagnosis and therapy of hypertension, heart failure, coronary and other cardiovascular diseases. His expertise includes ambulatory blood pressure monitoring, neural control of circulation, large artery mechanics, and clinical trials.