1. Assistant Director and Attending Dentist in Anesthesia, Advanced Education in General Dentistry, Attending Dentist in Anesthesia, Graduate Pediatric Dentistry and Dental Anesthesiology, Lutheran Medical Center, Brooklyn, New York, Clinical Associate Professor, Endodontics, Oral and Maxillofacial Surgery and Orthodontics, The Herman Ostrow School of Dentistry of the University of Southern Californ
2. Professor, Endodontics, Oral and Maxillofacial Surgery and Orthodontics, The Herman Ostrow School of Dentistry of the University of Southern California, Los Angeles, California
3. Associate Faculty, Swedish Medical Center General Practice Residency, Seattle, Washington, Clinical Assistant Professor, Endodontics, Oral and Maxillofacial Surgery and Orthodontics, The Herman Ostrow School of Dentistry of the University of Southern California, Los Angeles, California, Private Practice, Newcastle, Washington