John Martinez: Email & Phone Number

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Tire Shop Supervisor at Costco Wholesale|Hollister, California, United States

Position:

Tire Shop Supervisor at Costco Wholesale

Location:

Hollister, California, United States

View John Martinez's Email

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Last updated: 2026-09-12

Updated: 2026-09-12

Found email addresses for John Martinez:

Business emails:

m********j@costco.com

Personal emails:

j***@gmail.com,

m***@aol.com,

m***@yahoo.com,

j***@optmtherapy.com

Found phones for John Martinez:

+1-870-***-**09,

+1-520-***-**99

A different John Martinez?

Work Experience 8 years

Tire Shop Supervisor at Costco Wholesale

Aug 2025 - Current

Tire Shop Supervisor at Costco Wholesale

Sep 2024 - Aug 2025

Tire Technician at Full-Time Travel

Sep 2023 - Aug 2024

Delivery Driver at Amazon

Jul 2020 - Aug 2023

Front Office Assistant at OPTM Sports & Physical Therapy

Oct 2018 - Mar 2020

John Martinez started working in 2018, then the employee has changed 3 companies and 3 jobs. On average, John Martinez works for one company for 1 year 6 months.

Their professional focus is Business Analysis, Data Analysis, and GitHub across 3 core areas.

Education

Bachelor of Science at San Francisco State University

Frequently Asked Questions

What is John Martinez's email address?

SignalHire found verified email addresses for John Martinez, both business and personal. Their business email is m********j@costco.com, and personal emails include j***@gmail.com, m***@aol.com, and m***@yahoo.com.

What is John Martinez's phone number?

SignalHire found multiple verified phone numbers for John Martinez: +1-870-***-**09, and +1-520-***-**99.

How do I contact John Martinez at Costco Wholesale?

You can reach John Martinez through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Martinez's professional background?

John Martinez has 8 years of professional experience. They have held roles including Tire Shop Supervisor, Tire Technician, and Delivery Driver at companies such as Costco Wholesale, Full-Time Travel, and Amazon. Their education includes Bachelor of Science from San Francisco State University.

Is John Martinez's contact information up to date?

Yes. John Martinez's SignalHire profile was last updated on 12 September 2026, reflecting their current position as Tire Shop Supervisor at Costco Wholesale in Seattle, WA, United States.