# Stack Overflow founder

entity: /record/stack-overflow.md  
predicate: founder  
page: /record/stack-overflow/founder  
as_of: 2026-11-05  

As of November 5, 2026, Stack Overflow's founder on the AsOf record is Jeff Atwood, undated on the record, from 2 secondary sources (stackoverflow.co and crunchbase.com). The record holds 2 claims on Stack Overflow's founder, 2 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founder

What the record asserts on 2026-11-05.

- [Stack Overflow](/record/stack-overflow.md) | founder | Jeff Atwood | valid undated to present | conf 0.80 | valid | [clm_DB4D1F8BEAFC](/claim/clm_DB4D1F8BEAFC.md)
  sources: https://stackoverflow.co/company/press/, https://www.wikidata.org/wiki/Q549037, https://www.crunchbase.com/organization/stack-overflow

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Stack Overflow](/record/stack-overflow.md) | founder | Joel Spolsky | valid undated to present | conf 0.80 | unverified | [clm_8A1F60779577](/claim/clm_8A1F60779577.md)
  sources: https://stackoverflow.co/company/press/, https://www.wikidata.org/wiki/Q549037
- [Stack Overflow](/record/stack-overflow.md) | founder | Jeff Atwood | valid undated to present | conf 0.80 | valid | [clm_DB4D1F8BEAFC](/claim/clm_DB4D1F8BEAFC.md)
  sources: https://stackoverflow.co/company/press/, https://www.wikidata.org/wiki/Q549037, https://www.crunchbase.com/organization/stack-overflow

## Questions this record answers

### What is Stack Overflow's current founder?

Jeff Atwood, undated on the record, from 2 secondary sources (stackoverflow.co and crunchbase.com). The record asserts this claim as of November 5, 2026 (status valid, confidence 0.80).


## Get this data

- JSON: /v1/entities/stack-overflow/founder (this fact) · /v1/entities/stack-overflow?predicates=founder (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "stack-overflow", predicates: ["founder"]) for every dated value · fetch(id: "/record/stack-overflow/founder.md") for this page
- Entity twin: /record/stack-overflow.md · timeline: /timelines/stack-overflow.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.