Who is the CEO of Costco?

Ron M. Vachris is Costco's President and Chief Executive Officer.

Gary Millerchip is Costco's Executive Vice President and Chief Financial Officer.

How many employees does Costco have?

Costco disclosed 333,000 employees in its fiscal 2025 annual report.

Who should you contact to sell into Costco?

For merchandise, identify the relevant Costco buying team. For corporate technology or services, route through official channels and map IT, operations, finance, logistics, and membership stakeholders.

Costco

Who are Costco's decision-makers?

Costco is led by Ron Vachris, a longtime operator, and Gary Millerchip, its CFO. Buying decisions are strongly influenced by merchandising, operations, finance, legal, IT, logistics, and member-value economics.

CEO: Ron M. Vachris
CFO: Gary Millerchip
Key exec: Claudine Adamo
Founded: 1983
Employees: 333,000
HQ: Issaquah, WA

Ron M. VachrisPresident and Chief Executive OfficerCEO since January 2024; Costco employee for decadesLongtime Costco operator who succeeded Craig Jelinek and leads global warehouse growth.
Gary MillerchipExecutive Vice President and Chief Financial OfficerCFO since 2024Leads finance after joining from Kroger, succeeding long-time CFO Richard Galanti.
Claudine AdamoExecutive Vice President, AdministrationSenior executive managementKey corporate leader listed by Costco investor relations.
Russ D. MillerSenior Executive Vice President, COO - U.S. and Mexico OperationsLongtime Costco operations executiveRuns major warehouse operations across the core North American footprint.

Who leads Costco?

Ron Vachris leads Costco as President and CEO after decades inside the company. Gary Millerchip leads finance, while Costco's senior operator and administration leaders help preserve the company's low-cost, high-volume culture.

Who actually makes buying decisions at Costco?

For merchandise vendors, merchants and category buyers are critical, but quality, logistics, legal, compliance, and warehouse operations can all influence approval. For technology vendors, IT, operations, finance, security, membership, and e-commerce stakeholders are usually involved.

How is Costco organized as it scales?

Costco is operationally centralized around a disciplined warehouse model and a relatively simple assortment. That creates a tough vendor bar: products and tools must scale cleanly across warehouses and protect the member value proposition.

As of June 2026.Sources:Costco executive management Costco FY 2025 annual report

Costco — frequently asked questions

Read the full Costco profile