| Name and Title | Area | State/Region | |
|---|---|---|---|
| Mark Silberman President and Laboratory Director |
Southwest | All | Contact |
| Bobby Smithson Chief Operating Officer |
Southwest | All | |
| Darin Breitschopf Sr. Vice President, Strategy and Managed Markets |
Southwest | All | Contact |
| John Carlson Sr. Vice President, Finance |
Southwest | All | Contact |
| Debbie Klein Vice President, Human Resources |
Southwest | All | Contact |
| Karen Pruett Vice President, Quality Improvement |
Southwest | All | Contact |
| Samantha Wylie Regional Vice President |
Central Texas | Texas | Contact |
| Brody Clark Regional Vice President |
North and East Texas |
Texas | Contact |
| Jim Gebhart Regional Vice President |
Houston, Beaumont, Bryan, |
Texas | Contact |
| Alex Estrada Regional Vice President |
San Antonio, Kerrville, Laredo, South Texas, Eagle Pass, Corpus Christi, Rio Grande Valley | South Texas | Contact |
| Randy Reese Regional Vice President |
West Texas, Nevada, Oklahoma |
Texas Nevada Oklahoma |
Contact |
| Anthony Michael Regional Vice President |
Alexandria, Baton Rouge, Lafayette, Lake Charles, Monroe, New Orleans, Shreveport |
Louisiana | Contact |
| Mike Gordon Director Information Technology |
Southwest | All | Contact |