1. Instructor in Anesthesia, Harvard Medical School; Assistant Anesthetist, Massachusetts General Hospital
2. Instructor in Anesthesia, Harvard Medical School; Associate Anesthetist, Massachusetts Eye and Ear Infirmary
3. Assistant Professor in Anesthesia, Harvard Medical School; Assistant Anesthetist, Massachusetts General Hospital
4. Assistant Professor in Anesthesia, Harvard Medical School; Associate Anesthetist, Massachusetts General Hospital