Professor of Therapeutics and Critical Care Medicine, at the University Paris- South in France.

Clinical activity at the Medical ICU of the Bicêtre University Hospital (Assistance-Publique Hôpitaux de Paris).

Research interests in heart-lung interactions, cardiovascular performance, regional blood flow assessment, tissue oxygenation, haemodynamic monitoring, and assessment of volume status in critically ill patients. Proposals of new tests to assess fluid responsiveness such as Pulse Pressure Variation and Passive Leg Raising.