Dr. O’Connor has a longstanding interest in the social construction of medicine, and the institution of sustainable, enduring change that improves the quality of care patients receive or improves the resilience of the health care system. He is the Executive Medical Director of Critical Care Medicine at the University of Chicago Medicine. An anesthesiologist and intensivist, Dr. O’Connor is also a human factors scholar who has done seminal work in improving sedation and mechanical ventilation management, in creating resuscitation guidelines for the perioperative setting, and in understanding error and harm in the ICU.