| Professor, School of Medicine, University of MS Med Center, UMMC, MS | 07/2016 - Present |
| Chairman, School of Medicine, UMMC ED Dept. | 2015 - Present |
| Access/Scheduling Workgroup, UMMC | 06/2014 - Present |
| Member, UMMC | 05/2012 - Present |
| School of , Clinicial Subcommittee | 2010 - Present |
| School of Medicine, Prehospital Subcommittee | 2010 - Present |
| Associate Professor, School of Medicine, Department of Emergency Medicine | 07/2009 - Present |
| School of , Central Mississippi Trauma Region | 2009 - Present |
| School of , Board of Directors | 2009 - Present |
| UMMC Trauma Committee, UMMC | 06/2006 - Present |
| Member, UMMC | 06/2006 - Present |
| Reviewer, School of , Commission on Accreditation of Ambulance Services | 2006 - Present |
| Medical Director, School of , Department of Emergency Medicine, American Medical Response (Ambulance Service) | 2004 - Present |
| Coordinator, School of Medicine, UMMC | 02/2001 - Present |
| Compliance Officer, School of Medicine, Department of Emergency Medicine, University of Mississippi Medical Center | 2001 - Present |
| Coordinator, School of Medicine, Department of Emergency Medicine, University of Mississippi Medical Center | 2001 - Present |
| Director, Performance Improvement, School of Medicine, Department of Emergency Medicine, University of Mississippi Medical Center | 2001 - Present |
| School of Medicine, Department of Emergency Medicine, University Hospital | 2001 - Present |