Who is the EVP, General Counsel of Costco?

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Updated Data as of 2026-10-13

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John Sullivan has been the Executive Vice President, General Counsel and Corporate Secretary of Costco since 2016 and reports to Ron Vachris. His remit covers the litigation disclosed in the fiscal 2026 annual report, including the wage and hour class actions filed in Washington and the suits over IEEPA tariff refunds. John reached the role after 3 tracked posts, most recently Executive Vice President, General Counsel and Corporate Secretary at Costco. John is one of 10 tracked leaders at the company.

John Sullivan profile

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John Sullivan
Executive Vice President, General Counsel and Corporate Secretary, Costco
General counsel since 2016

John Sullivan is executive vice president, general counsel and corporate secretary of Costco. He has led the legal function as general counsel since 2016, has served as corporate secretary since 2010, and became an executive officer in 2021.

Reports to
Ron Vachris
Email
••••@costco.com

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John Sullivan career history

  • Executive Vice President, General Counsel and Corporate Secretary, Costco2021 to present
  • General Counsel, Costco2016 to present
  • Corporate Secretary, Costco2010 to present

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Other leaders at Costco

LeaderEmailProfile
RVRon VachrisPresident and Chief Executive Officer ••••@costco.com Profile →
GMGary MillerchipExecutive Vice President and Chief Financial Officer ••••@costco.com Profile →
CFCaton FratesSenior Executive Vice President, Chief Operating Officer - Warehouse Operations, U.S. and Mexico ••••@costco.com Profile →
JPJavier PolitExecutive Vice President, Chief Information and Digital Officer ••••@costco.com Profile →
SGSarah GeorgeExecutive Vice President, Chief Operating Officer - Merchandising ••••@costco.com Profile →
CAClaudine AdamoExecutive Vice President, Administration ••••@costco.com Profile →
PRPierre RielExecutive Vice President, Chief Operating Officer, International Division ••••@costco.com Profile →
YRYoram RubanenkoExecutive Vice President, Chief Operating Officer - Eastern Division ••••@costco.com Profile →
TJTeresa JonesExecutive Vice President, Chief Operating Officer - Global Depots and Traffic ••••@costco.com Profile →

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More about Costco

FAQ

Frequently asked questions

Who is John Sullivan?

John Sullivan is the Executive Vice President, General Counsel and Corporate Secretary of Costco (as of 2026-10-13). General counsel since 2016. You can see their background and career history above.

What is John Sullivan's background?

John Sullivan is executive vice president, general counsel and corporate secretary of Costco. He has led the legal function as general counsel since 2016, has served as corporate secretary since 2010, and became an executive officer in 2021. His remit covers the litigation disclosed in the fiscal 2026 annual report, including the wage and hour class actions filed in Washington and the suits over IEEPA tariff refunds.

How can I contact John Sullivan at Costco?

You can find and verify John Sullivan's professional email and direct phone number with Derrick, from its web app or Google Sheets. Costco's addresses generally follow the flast@costco.com pattern, but that individual address is not verified here, so confirm it before reaching out.

Who does John Sullivan report to?

John Sullivan reports to Ron Vachris. See the full org chart on the Costco executives page.