# David Duffield founder roles entity: /record/david-duffield.md predicate: founder_of page: /record/david-duffield/founder_of as_of: 2026-11-09 cite: AsOf. "David Duffield founder of: Workday", undated. Claim clm_2EEAFDA6C10A, https://asof.is/claim/clm_2EEAFDA6C10A, accessed 2026-11-09. Source: https://sbnonline.com/article/67771/. As of November 9, 2026, the AsOf record says David Duffield is a founder of Workday, from 2 secondary sources (sbnonline.com and fortune.com). 1 claim on David Duffield's founder roles, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted. ## Current founder roles What the record asserts on 2026-11-09. - [David Duffield](/record/david-duffield.md) | founder_of | [Workday](/record/workday.md) | valid undated to present | conf 0.80 | valid | [clm_2EEAFDA6C10A](/claim/clm_2EEAFDA6C10A.md) sources: https://sbnonline.com/article/67771/, https://www.wikidata.org/wiki/Q8034666, https://fortune.com/2025/04/01/workday-fortune-500-top-5-business-lessons/ ## Every dated value One claim per line, oldest first. Superseded claims stay visible. - [David Duffield](/record/david-duffield.md) | founder_of | [Workday](/record/workday.md) | valid undated to present | conf 0.80 | valid | [clm_2EEAFDA6C10A](/claim/clm_2EEAFDA6C10A.md) sources: https://sbnonline.com/article/67771/, https://www.wikidata.org/wiki/Q8034666, https://fortune.com/2025/04/01/workday-fortune-500-top-5-business-lessons/ ## Questions this record answers ### What is David Duffield founder of? Workday, as the record asserts on November 9, 2026, from 2 secondary sources (sbnonline.com and fortune.com). ## Read on - This page: /record/david-duffield/founder_of (markdown: /record/david-duffield/founder_of.md) - Entity twin: /record/david-duffield.md ยท timeline: /timelines/david-duffield.md --- AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.