1. System Hospital Endowed Chair for Patient Safety and Professor, School of Nursing, Texas Tech University Health Sciences Center, Lubbock; at the time of writing he was Manager, Patient Safety Research and Practice, United States Pharmacopeia (USP), Rockville, MD
2. Outcomes Research, Internal Medicine, Ortho–McNeil Janssen Scientific Affairs, LLC (OMJSA), Raritan, NJ
3. Director, Xcenda, Palm Harbor, FL
4. Outcomes Research, Internal Medicine, OMJSA
5. Healthcare Quality and Information, USP