Antonio M. Esquinas is critical care specialist and staff physician in the Intensive Care Unit at the Hospital Morales Meseguer, Murcia. Spain. He is an International fellow of the American Association Respiratory Care (AARC), fellow of the American College Chest Physicians. (ACCP) European Respiratory Society, and Director of the International School of Non Invasive Ventilation, International noninvasive ventilation Fellowship program, president of the International Association of Non Invasive Ventilation and International College of Expert of noninvasive ventilation. His main educational and research activities are related to noninvasive mechanical ventilation in pulmonary, critical care and sleep medicine. Currently, he is very keen in difficult weaning, postextubation, respiratory, humidification and airway clearance techniques in mechanically ventilated patients. He is author of more than 60 books and 560 indexed papers in noninvasive ventilation approaches.