# McKesson Corporation chair

entity: /record/mckesson.md  
predicate: chair  
page: /record/mckesson/chair  
as_of: 2026-11-09  
cite: AsOf. "McKesson Corporation chair: Brian S. Tyler", as of 2026-05-01. Claim clm_E4108E5F3BBB, https://asof.is/claim/clm_E4108E5F3BBB, accessed 2026-11-09. Source: https://www.sec.gov/Archives/edgar/data/927653/000092765326000169/mck-20260612.htm.  

As of November 9, 2026, McKesson Corporation's chair on the AsOf record is Brian S. Tyler, dated May 1, 2026, from a primary source (sec.gov).

1 claim on McKesson Corporation's chair, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 2026-11-09.

- [McKesson Corporation](/record/mckesson.md) | chair | Brian S. Tyler | valid 2026-05-01 to present | conf 0.95 | valid | [clm_E4108E5F3BBB](/claim/clm_E4108E5F3BBB.md)
  sources: https://www.sec.gov/Archives/edgar/data/927653/000092765326000169/mck-20260612.htm

## Every dated value

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 Superseded claims stay visible.

- [McKesson Corporation](/record/mckesson.md) | chair | Brian S. Tyler | valid 2026-05-01 to present | conf 0.95 | valid | [clm_E4108E5F3BBB](/claim/clm_E4108E5F3BBB.md)
  sources: https://www.sec.gov/Archives/edgar/data/927653/000092765326000169/mck-20260612.htm

## Questions this record answers

### What is McKesson Corporation's current chair?

Brian S. Tyler, dated May 1, 2026, from a primary source (sec.gov). The record asserts this claim as of November 9, 2026 (status valid, confidence 0.95).


## Read on

- This page: /record/mckesson/chair (markdown: /record/mckesson/chair.md)
- Entity twin: /record/mckesson.md · timeline: /timelines/mckesson.md
- Every company's chair: /facts/chair.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.