People/Mark McCollum
MM
PersonUS
Mark McCollum
3 companies·7 mandates (5 current)
| Company | Relation | Title | Age | Since | As of |
|---|---|---|---|---|---|
| ONEOK, INC.OKE | Director● | Director/Board Member | 67 | 2026-01-22 | 2026-07-09 |
| WESTLAKE CORPORATIONWLK | Director● | Director/Board Member | 67 | 2018-05-23 | 2026-07-09 |
| SEADRILL LIMITEDSDRL | Director● | Director/Board Member | 67 | 2022-02-21 | 2026-07-09 |
| SEADRILL LIMITEDSDRL | Officer● | Director or executive officer | — | 2022-02-01 | 2026-06-03 |
| SEADRILL LIMITEDSDRL | Major shareholder● | — | — | — | 2026-06-03 |
| SEADRILL LIMITEDSDRL | Officer | Director or executive officer | — | 2022-02-01 | 2025-05-14 |
| SEADRILL LIMITEDSDRL | Major shareholder | — | — | — | 2025-05-14 |