Marc Vives is currently working as a cardiac anesthetist at Hospital Universitari de Girona. In 2010, he finished his Ph.D. on Acute Kidney Injury after cardiac surgery. In 2011, he did a clinical fellowship in Cardiac Anesthesia & Cardiac Critical Care at Hammersmith Hospital, London, UK. In 2012, he did a clinical fellowship in cardiothoracic anesthesia and transplantation/mechanical support and Cardiothoracic Critical Care at Harefield Hospital, London, UK. In 2013, he did a clinical fellowship in cardiovascular anesthesia, Cardiac Critical Care & Perioperative Echocardiography at Toronto General Hospital, Canada. He is EACTA Representative Council for Spain and an active Board member of the Educational Committee (from CPB Subcommittee) at the European Association of cardiothoracic anesthesia (EACTA). He has published around 30 papers in peer-reviewed journals and review editor at Journal of Cardiothoracic and Vascular Anesthesia.Alberto Hernandez is currently working as a cardiac anesthetist at Hospital Universitario de Bellvitge, Barcelona, Spain. In 2015, he did his Ph.D. on 3D transesophageal echocardiography for cardiac surgery. From 2012 to 2014, he did a clinical fellowship in cardiac anesthesia & ICU at Hammersmith Hospital, London. In 2016, he did a clinical fellowship in cardiac anesthesia and transplantation/mechanical support at Wythenshawe hospital, Manchester, UK. He has published 2 books with Panamericana on anesthesia and critical care. He is also an active member of the Educational Committee (from ICU subcommittee) of the EACTA.