HOUSTON, TX
| Name & Role | Position | Tenure | Holdings |
|---|---|---|---|
SUNCOKE ENERGY, INC. | — | Since Dec 2019 | — |
SUNCOKE ENERGY PARTNERS, L.P. | — | Since Sep 2018 | — |
MATRIX SERVICE CO | — | Since Oct 2018 | — |
CORE LABORATORIES N V | — | Since Apr 2019 | — |
CORE LABORATORIES INC. /DE/ | — | Since Apr 2024 | — |