{"id":"aeb424e6-9344-48d1-93c0-817059abbd29","slug":"mark-mccollum","name":"Mark A. McCollum","bioBrief":"Former President & CEO of Weatherford International (2017–2020), resigned during post-bankruptcy restructuring.","priorExits":null,"nationality":null,"verificationPosture":null,"aliases":[],"sources":[],"reviewStatus":"unreviewed","createdAt":"2026-09-07T05:34:09.325Z","updatedAt":"2026-09-07T05:34:09.325Z","educations":[],"companyRoles":[{"id":"18a3f0b3-def2-41ab-8f26-3a11c1cd5be6","personId":"aeb424e6-9344-48d1-93c0-817059abbd29","companyId":"0701fae0-faec-4918-9bf4-a45a9d3924b9","role":"ceo","roleTitle":"Former President & CEO","startDate":null,"endDate":null,"currentRole":false,"roleBasis":"verified_secondary","displayOrder":null,"createdAt":"2026-09-07T05:34:10.092Z","company":{"slug":"weatherford","name":"Weatherford International"}}],"boardRoles":[],"investorRoles":[],"foundings":[]}