Dr. Jean Chastre is a Professor of Medicine at Paris 6 University School of Medicine, Faculté de Médecine Pitié Salpêtrière, in Paris, France. He was the Director of the Medical Intensive 2 Care Unit and of the Intermediate Care Unit at Institut de Cardiologie, Groupe Hospitalier Pitié Salpêtrière in Paris, France from 2007 to 2015. Dr. Chastre earned his medical degree at the University of Medicine and Dentistry in Paris, France, and completed his internship and residency in internal medicine at Assistance Publique Hôpitaux-de-Paris in Paris, France. He also earned his fellowship in cardiology at Assistance Publique Hôpitaux-de-Paris in Paris, France, as well as a fellowship in critical care. Dr. Chastre is licensed and board certified in cardiology with a subspecialty in critical care. He is a recognized expert in the performance of clinical outcomes research in the ICU setting, and his clinical research focus has been the understanding, diagnosis, and treatment of nosocomial infections and the improved care of mechanically ventilated patients. Dr. Chastre has published over 270 peer-reviewed papers and authored or co-authored 18 book chapters.