Costco Wholesale Corporation announced that on June 30, Dan Hines will retire as Senior Vice President, Corporate Controller, and Principal Accounting Officer. He will remain a Senior Vice President until his retirement in January 2026, following 35 years of service. Tiffany Barbre, 51, has been appointed as Senior Vice President, Corporate Controller and Principal Accounting Officer, effective July 1, 2025.
Ms. Barbre joined Costco in 2005 and was promoted to Assistant Vice President in June 2010. In 2016, she was promoted to her current role as Vice President, Assistant Corporate Controller. Ms. Barbre graduated from Washington State University with a B.A. in Accounting and began her career as an auditor with Arthur Andersen LLP.
Costco Wholesale Corporation specializes in the distribution of products and services at discount prices (food, sports equipment, household appliances, books, toys, jewelry, TVs, cameras, photo developing and printing services, etc.). The group develops its activity through a network of warehouse stores opened to individuals or companies who have paid a subscription fee. Net sales break down by revenue source as follows:
- sales of products (98.1%);
- sales of subscriptions (1.9%).
As of 31/08/2025, Costco Wholesale Corporation had a network of 914 warehouse stores located in the United States and Puerto Rico (629), Canada (110), Mexico (42), Japan (37), the United Kingdom (29), Korea (20), Australia (15), Taiwan (14), China (7), Spain (5), France (2), Sweden (2), New Zealand and Iceland.
Net sales are distributed geographically as follows: the United States (72.7%), Canada (13.4%) and other (13.9%).
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