# Valero Energy COO

entity: /record/valero-energy.md  
predicate: coo  
page: /record/valero-energy/coo  
as_of: 2026-11-12  
cite: AsOf. "Valero Energy coo: Gary K. Simmons", as of 2023-07-20. Claim clm_92BB906CEBDD, https://asof.is/claim/clm_92BB906CEBDD, accessed 2026-11-12. Source: https://www.sec.gov/Archives/edgar/data/1035002/000119312523191449/0001193125-23-191449-index.htm.  

As of November 12, 2026, Valero Energy's COO on the AsOf record is Gary K. Simmons, dated July 20, 2023, from a primary source (sec.gov).

1 claim on Valero Energy's COO, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current COO

What the record asserts on 2026-11-12.

- [Valero Energy](/record/valero-energy.md) | coo | Gary K. Simmons | valid 2023-07-20 to present | conf 0.95 | valid | [clm_92BB906CEBDD](/claim/clm_92BB906CEBDD.md)
  sources: https://www.sec.gov/Archives/edgar/data/1035002/000119312523191449/0001193125-23-191449-index.htm

## Every dated value

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 Superseded claims stay visible.

- [Valero Energy](/record/valero-energy.md) | coo | Gary K. Simmons | valid 2023-07-20 to present | conf 0.95 | valid | [clm_92BB906CEBDD](/claim/clm_92BB906CEBDD.md)
  sources: https://www.sec.gov/Archives/edgar/data/1035002/000119312523191449/0001193125-23-191449-index.htm

## Questions this record answers

### What is Valero Energy's current COO?

Gary K. Simmons, dated July 20, 2023, from a primary source (sec.gov). The record asserts this claim as of November 12, 2026 (status valid, confidence 0.95).


## Read on

- This page: /record/valero-energy/coo (markdown: /record/valero-energy/coo.md)
- Entity twin: /record/valero-energy.md · timeline: /timelines/valero-energy.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.