1. Associate Director of Education, General Dental Practice Residency, Miami Valley Hospital, Dayton, Ohio,
2. Professor of Oral Maxillofacial Surgery, Head, Division of Anesthesia and Pain Control, Associate Professor of Anesthesia, Tufts University Schools of Dental Medicine and Medicine, Boston, Massachusetts,
3. Professor Emeritus Anesthesiology, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio