DALLAS, TX
| Name & Role | Position | Tenure | Holdings |
|---|---|---|---|
HOLLYFRONTIER CORP | EVP and COO | Since Jun 2020 | — |
CALUMET SPECIALTY PRODUCTS PARTNERS, L.P. | Chief Executive Officer | Since Aug 2018 | — |
HF SINCLAIR CORP | President and COO | Since Jun 2022 | — |
CELANESE CORP | — | Since Feb 2024 | — |