1. Associate Director, Patient Safety Center of Inquiry, Anesthesia Service, VA Palo Alto Health Care System, Associate Professor of Anesthesia, Department of Anesthesia, Stanford University School of Medicine.
2. President and Chief Scientist, Alertness Solutions, Inc., Cupertino, California.
3. Clinical Professor of Anesthesiology, Department of Anesthesiology, Yale University School of Medicine.
4. Professor of Anesthesiology, Department of Anesthesiology, Emory University School of Medicine.