# Block, Inc. chair

entity: /record/block.md  
predicate: chair  
page: /record/block/chair  
as_of: 2026-11-04  

As of November 4, 2026, Block, Inc.'s chair on the AsOf record is Jack Dorsey, undated on the record, from a primary source (sec.gov). The record holds 1 claim on Block, Inc.'s chair, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current chair

What the record asserts on 2026-11-04.

- [Block, Inc.](/record/block.md) | chair | Jack Dorsey | valid undated to present | conf 0.95 | valid | [clm_9F36F4947299](/claim/clm_9F36F4947299.md)
  sources: https://www.sec.gov/Archives/edgar/data/1512673/000162828026012254/xyz-20251231.htm

## Every dated value

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 Superseded claims stay visible.

- [Block, Inc.](/record/block.md) | chair | Jack Dorsey | valid undated to present | conf 0.95 | valid | [clm_9F36F4947299](/claim/clm_9F36F4947299.md)
  sources: https://www.sec.gov/Archives/edgar/data/1512673/000162828026012254/xyz-20251231.htm

## Questions this record answers

### What is Block, Inc.'s current chair?

Jack Dorsey, undated on the record, from a primary source (sec.gov). The record asserts this claim as of November 4, 2026 (status valid, confidence 0.95).


## Get this data

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