What roles does Hamilton E. James hold?

Chair of Costco, as the AsOf record states with its sources.

Record

Hamilton E. James as of November 8, 2026 · AsOf

person

Hamilton E. James

Hamilton E. James is an American businessperson. Founder and Chairman of Jefferson River Capital LLC. Former president and chief operating officer of The Blackstone Group. On the record, Hamilton E. James is Chair of Costco.

Roles now

Chair: Costco sec.gov

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Roles history

1 role · ended roles kept

Hamilton E. James: every role the record holds, with its organization, dates and source
Role	Organization	From	To	Source
Chair	Costcoundated to present	undated	present	sec.gov: 1 source for Costco Chair, claim clm_ABDCD599FD37

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State changes since 2026-05-12

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About this record

Identifiers2 keys · schema.org snippet

AsOf ID: ent_hamilton-e-james
Wikidata: Q16149081

Cite this record in schema.org

"sameAs": ["https://www.wikidata.org/wiki/Q16149081", "https://asof.is/record/hamilton-e-james"],
"identifier": { "@type": "PropertyValue", "propertyID": "asof", "value": "ent_hamilton-e-james" }

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Sources on this entity1 site · 1 citations

sec.govprimary · 1

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1 claim on record, 1 currently valid, 0 superseded.