am the president of Hellenic Thoracic Society. I am member of the European Respiratory Society [FERS 2018], American Thoracic Society, EAACI and Fellow of American College Chest Physicians. I served ERS as the secretary and chairman of ERS monitoring airway diseases group from 9/10 to 9/16 respectively. I am an official member of the ERS college of Experts. Course Organizer of European diploma in Respiratory medicine preparation committee. E-learning resources director & member of the ERS educational council 2018-2021. From 9/23-9/26 ERS programmes director.