# Costco CEO

entity: /record/costco.md  
predicate: ceo  
page: /record/costco/ceo  
as_of: 2026-10-31  

As of October 31, 2026, Costco's CEO on the AsOf record is Ron Vachris, dated January 1, 2024, from a primary source (sec.gov) and one further source (cnn.com). The record holds 2 claims on Costco's CEO, 1 still open and 1 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current CEO

What the record asserts on 2026-10-31.

- [Costco](/record/costco.md) | ceo | Ron Vachris | valid 2024-01-01 to present | conf 0.95 | valid | [clm_1400B5A0AF71](/claim/clm_1400B5A0AF71.md)
  sources: https://www.wikidata.org/wiki/Q715583, https://www.sec.gov/Archives/edgar/data/909832/000090983223000047/0000909832-23-000047-index.htm, https://www.sec.gov/Archives/edgar/data/909832/000090983223000049/0000909832-23-000049-index.htm, https://www.cnn.com/2026/02/07/business/costco-ceo-dei-tariffs, https://www.sec.gov/Archives/edgar/data/909832/000090983223000047/cost-20231018.htm

## Every dated value

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 Superseded claims stay visible.

- [Costco](/record/costco.md) | ceo | W. Craig Jelinek | valid 2012-01-01 to 2024-01-01 | conf 0.95 | superseded | superseded_by [clm_1400B5A0AF71](/claim/clm_1400B5A0AF71.md) | [clm_F3088DE22897](/claim/clm_F3088DE22897.md)
  sources: https://www.sec.gov/Archives/edgar/data/909832/000119312511239197/d8k.htm, https://www.wikidata.org/wiki/Q715583, https://www.sec.gov/Archives/edgar/data/909832/000090983223000047/cost-20231018.htm
- [Costco](/record/costco.md) | ceo | Ron Vachris | valid 2024-01-01 to present | conf 0.95 | valid | [clm_1400B5A0AF71](/claim/clm_1400B5A0AF71.md)
  sources: https://www.wikidata.org/wiki/Q715583, https://www.sec.gov/Archives/edgar/data/909832/000090983223000047/0000909832-23-000047-index.htm, https://www.sec.gov/Archives/edgar/data/909832/000090983223000049/0000909832-23-000049-index.htm, https://www.cnn.com/2026/02/07/business/costco-ceo-dei-tariffs, https://www.sec.gov/Archives/edgar/data/909832/000090983223000047/cost-20231018.htm

## What replaced what

- W. Craig Jelinek (2012-01-01 to 2024-01-01, [clm_F3088DE22897](/claim/clm_F3088DE22897.md)) was replaced by Ron Vachris from 2024-01-01 ([clm_1400B5A0AF71](/claim/clm_1400B5A0AF71.md))

## Questions this record answers

### What is Costco's current CEO?

Ron Vachris, dated January 1, 2024, from a primary source (sec.gov) and one further source (cnn.com). The record asserts this claim as of October 31, 2026 (status valid, confidence 0.95).

### When did Costco's CEO last change?

The latest value on the record is Ron Vachris, dated January 1, 2024; before it the record holds W. Craig Jelinek, dated January 1, 2012 and closed on January 1, 2024.

### What was Costco's CEO before Ron Vachris?

W. Craig Jelinek, valid from January 1, 2012 to January 1, 2024 (status superseded), from a primary source (sec.gov).


## Get this data

- JSON: /v1/entities/costco/ceo (this fact) · /v1/entities/costco?predicates=ceo (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: entity_state(entity: "costco", predicates: ["ceo"], scope: "all")
- Entity twin: /record/costco.md · timeline: /timelines/costco.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.