Jack Grennan Email & Phone Number
Inventory Control Specialist @ Costco Wholesale
5 free lookup(s).
If you need more lookups,
subscriptions start at $34 USD/month.
Jack Grennan Location
- Seattle, WA, US
Jack Grennan Work
- 2025 -now Inventory Control Specialist @
- 2024 -2025 Cashier @
- 2021 -2024 Cashier @
- 2023 -2024 Student Employee @
- 2020 -2021 Cashier Assistant @
Jack Grennan Education
- University of Washington
Bachelor of Arts - BA (Political Science)
2020-2024
Jack Grennan Summary
- Jack Grennan, based in Seattle, WA, US, is currently a Inventory Control Specialist at Costco Wholesale. Jack Grennan brings experience from previous roles at Costco Wholesale and University of Washington Libraries. Jack Grennan holds a 2020 - 2024 Bachelor of Arts - BA in Political Science @ University of Washington. Jack Grennan has 5 emails and 1 mobile phone numbers on RocketReach.
Looking for a different Jack Grennan?
Find contact details for 700 million professionals.
Top Costco Wholesale Employees
Cameron Behrens
Vice President and GMM
Kirkland, WA, US
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co