# Phillips 66 chair

entity: /record/phillips-66.md  
predicate: chair  
page: /record/phillips-66/chair  
as_of: 2026-11-09  
cite: AsOf. "Phillips 66 chair: Mark E. Lashier", as of 2024-05-01. Claim clm_8D35644AC8FC, https://asof.is/claim/clm_8D35644AC8FC, accessed 2026-11-09. Source: https://www.sec.gov/Archives/edgar/data/1534701/000153470126000006/psx-20251231.htm.  

As of November 9, 2026, Phillips 66's chair on the AsOf record is Mark E. Lashier, dated May 1, 2024, from a primary source (sec.gov).

1 claim on Phillips 66's chair, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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.

- [Phillips 66](/record/phillips-66.md) | chair | Mark E. Lashier | valid 2024-05-01 to present | conf 0.95 | valid | [clm_8D35644AC8FC](/claim/clm_8D35644AC8FC.md)
  sources: https://www.sec.gov/Archives/edgar/data/1534701/000153470126000006/psx-20251231.htm

## Every dated value

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 Superseded claims stay visible.

- [Phillips 66](/record/phillips-66.md) | chair | Mark E. Lashier | valid 2024-05-01 to present | conf 0.95 | valid | [clm_8D35644AC8FC](/claim/clm_8D35644AC8FC.md)
  sources: https://www.sec.gov/Archives/edgar/data/1534701/000153470126000006/psx-20251231.htm

## Questions this record answers

### What is Phillips 66's current chair?

Mark E. Lashier, dated May 1, 2024, 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/phillips-66/chair (markdown: /record/phillips-66/chair.md)
- Entity twin: /record/phillips-66.md · timeline: /timelines/phillips-66.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.