Director of ICU-Director of ICU, Consultant in Critical Care, Pulmonary and Sleep Medicine . Director of Sleep Laboratory (2010-present), academic formation in critical care medicine, education training in medical school of the Aristotelean University of Thessaloniki, Greece medical school of the Aristotelean University of Thessaloniki, Greece. Doctor of philosophy (ph.d.), high frequency ventilation in acute respiratory failure (experimental study) Expert in high frequency ventilation in acute respiratory failure (experimental study), MCGILL university , Montreal Canada McGill university , Montreal Canada fellowship in critical care medicine Expert in pulmonary critical care medicine and noninvasive ventilatory support.