- Professor, anesthesiologist, pain specialist, university of Texas Southwestern medical center, Dallas.
- Past president Dallas county anesthesia society,
- Past program director & vice chairman Texas Tech University health science center, Elpaso, Texas.
- Chairman board of directors APPNA North Texas chapter.
- Past president APPNA North Texas chapter.
- Past Board of Trustees central APPNA.
- Past president QAMCAANA.
- Board of Trustees QAMCAANA.
- Chairman APPNA Summer committee 2018 & 2023.
- Author of four anesthesia books, several book chapters & research papers.
