- Professor and Chair
- Director, Mobility Foundation Center for Rehabilitation Research
- Kimberly-Clark Distinguished Chair in Mobility Research
- Associate Professor
- Director, Ambulatory Services UTSW/Parkland
- Vice Chair of Clinical Operations
- Professor
- Director, Residency Program
- Associate Professor
- Co-Director, Spine Program
- Associate Professor
- Chief of Service, Parkland Hospital and Health Services
VA Leadership
- Associate Professor
- Chief, Physical Medicine and Rehabilitation Services, Dallas VA