{"id":"6cbac462-d95f-4b9b-94a7-00fb0b12e743","slug":"zachary-bradford","name":"Zachary Bradford","bioBrief":"Co-founder and former CEO of CleanSpark (CLSK), America's largest publicly-traded Bitcoin miner by hashrate. Led CleanSpark from 2019 until his resignation in August 2025, overseeing its expansion into AI data center infrastructure and responsible mining. Previously served as the company's CFO.","priorExits":null,"nationality":"American","verificationPosture":"reported","aliases":[],"sources":[{"url":"https://www.linkedin.com/in/zachary-bradford-154b6b1b","title":"Zachary Bradford - LinkedIn Profile","sourceName":"LinkedIn"},{"url":"https://finance.yahoo.com/news/cleanspark-zachary-bradford-resigns-matt-121711440.html","title":"CleanSpark's Zachary Bradford resigns, Matt Schultz returns as CEO","sourceName":"Yahoo Finance"}],"reviewStatus":"reviewed","createdAt":"2026-08-18T05:03:04.607Z","updatedAt":"2026-08-19T13:59:05.323Z","educations":[],"companyRoles":[{"id":"634fabf0-7e89-41dc-a126-b8e3bfa0117b","personId":"6cbac462-d95f-4b9b-94a7-00fb0b12e743","companyId":"2ed9c726-41dd-4440-88b3-c8e2b4de895c","role":"founder","roleTitle":"Co-founder","startDate":null,"endDate":null,"currentRole":true,"roleBasis":"verified_secondary","displayOrder":null,"createdAt":"2026-08-18T05:03:05.391Z","company":{"slug":"cleanspark","name":"CleanSpark"}}],"boardRoles":[],"investorRoles":[],"foundings":[{"id":"0147547e-6190-4425-9c8e-fdaab5cf8b02","personId":"6cbac462-d95f-4b9b-94a7-00fb0b12e743","companyId":"2ed9c726-41dd-4440-88b3-c8e2b4de895c","foundingDate":null,"cofounderStatus":"cofounder","stillAtCompany":false,"createdAt":"2026-08-22T03:39:10.054Z","company":{"slug":"cleanspark","name":"CleanSpark"}}]}