← Back to PeopleSBEngineerSean BellFound and fixed a correctness issue in DeepSpeed ZeRO-1/2 that had persisted for years.1Mentions1Articles1OutletsCompanies CoveredDeepSpeed1ArticlesMost recent firstMentioned InReferenced in coverageDeepSpeed ZeRO Correctness FixXcautiousNov 4, 2026“Found and fixed a correctness issue in DeepSpeed ZeRO-1/2 that had persisted for years.”