# Klarna founder

entity: /record/klarna.md  
predicate: founder  
page: /record/klarna/founder  
as_of: 2026-11-03  

As of November 3, 2026, Klarna's founder on the AsOf record is Sebastian Siemiatkowski, undated on the record, from 2 secondary sources (revenuememo.com and research.contrary.com). The record holds 2 claims on Klarna's founder, 2 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 2026-11-03.

- [Klarna](/record/klarna.md) | founder | Sebastian Siemiatkowski | valid undated to present | conf 0.80 | valid | [clm_6022BFF4C1B2](/claim/clm_6022BFF4C1B2.md)
  sources: https://www.revenuememo.com/p/who-owns-klarna, https://www.wikidata.org/wiki/Q1165072, https://research.contrary.com/company/klarna

## Every dated value

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 Superseded claims stay visible.

- [Klarna](/record/klarna.md) | founder | Sebastian Siemiatkowski | valid undated to present | conf 0.80 | valid | [clm_6022BFF4C1B2](/claim/clm_6022BFF4C1B2.md)
  sources: https://www.revenuememo.com/p/who-owns-klarna, https://www.wikidata.org/wiki/Q1165072, https://research.contrary.com/company/klarna
- [Klarna](/record/klarna.md) | founder | Niklas Adalberth | valid undated to present | conf 0.80 | unverified | [clm_9325D7940264](/claim/clm_9325D7940264.md)
  sources: https://www.wikidata.org/wiki/Q1165072, https://research.contrary.com/company/klarna

## Questions this record answers

### What is Klarna's current founder?

Sebastian Siemiatkowski, undated on the record, from 2 secondary sources (revenuememo.com and research.contrary.com). The record asserts this claim as of November 3, 2026 (status valid, confidence 0.80).


## Get this data

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