MCCOLLUM MARK A

PrivateCIK: 1215888
Location

HOUSTON, TX

WESTLAKE CORP
Position
TenureSince Aug 2018
Holdings
WEATHERFORD INTERNATIONAL PLC
PositionPresident and CEO
TenureSince Jan 2019
Holdings
ONEOK INC /NEW/
Position
TenureSince Jan 2026
Holdings
MARATHON OIL CORP
Position
TenureSince Dec 2022
Holdings
SEADRILL LTD
Position
TenureSince Jan 2025
Holdings