SAN ANTONIO, TX
| Name & Role | Position | Tenure | Holdings |
|---|---|---|---|
MARATHON PETROLEUM CORP | Exec Vice Chairman | Since Oct 2018 | — |
MPLX LP | — | Since Oct 2018 | — |
EXXON MOBIL CORP | — | Since Jun 2021 | — |
AVIENT CORP | — | Since Jun 2018 | — |
ANDEAVOR LLC | President and CEO | Since Oct 2018 | — |
ANDEAVOR LOGISTICS LP | — | Since Oct 2018 | — |
X-ENERGY, INC. | — | Since Apr 2026 | — |