Graduated in Medicine (1976) and in Internal Medicine (1981) and obtained his PhD (1990) from the Université Libre de Bruxelles (ULB), Brussels, Belgium. He is now certified in internal medicine and intensive care. He spent most of his career in the Department of Intensive Care of the Erasme Hospital, Brussels. His main clinical topics of interest are respiratory failure, electrolytes and acid-base disorders, and clinical data collection and analysis. He collaborates with the Laboratory of Physiology of the ULB, where he studied the pulmonary circulation and its effects on pulmonary gas exchange and right ventricular function. He signed more than 100 peer-reviewed papers in major physiological and clinical journals. He has been professor of intensive care and of physiology for more than 10 years. He is member of the National Committee on Biomedical Engineering (Academy of Sciences), and chairman of the Intensive Care College (Ministry of Public Health).