John Grinstead

John Grinstead: Email & Phone Number

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Owner at Xtrteme Direct Mail|Garland, Texas, United States

Position:

Owner at Xtrteme Direct Mail

Location:

Garland, Texas, United States

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Last updated: 2026-05-09
Updated: 2026-05-09

Found email addresses for John Grinstead:

Business emails:
Personal emails:
g***@aol.com,
g***@hotmail.com,
g***@yahoo.com

Found phones for John Grinstead:

+1-870-***-**52
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Work Experience 29 years

Owner at Xtrteme Direct Mail

Jan 2007 - Current

Vice President at Mail Concepts Inc

Feb 1997 - Oct 2007

John Grinstead started working in 1997, then the employee has changed 1 company and 1 job. On average, John Grinstead works for one company for 15 years 1 month.

Their professional focus is Advertising, Brand Development, and Digital Marketing across 3 core areas.

Education

Eastfield College

Frequently Asked Questions

What is John Grinstead's email address?

SignalHire found verified email addresses for John Grinstead, both business and personal. Their business email is g***@gmail.com, and personal emails include g***@gmail.com, g***@aol.com, and g***@hotmail.com.

What is John Grinstead's phone number?

SignalHire found multiple verified phone numbers for John Grinstead: +1-520-***-**35, and +1-870-***-**52.

How do I contact John Grinstead at Xtrteme Direct Mail?

You can reach John Grinstead 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 Grinstead's professional background?

John Grinstead has 29 years of professional experience. They have held roles including Vice President at companies such as Mail Concepts Inc. Their education includes Eastfield College.

Is John Grinstead's contact information up to date?

Yes. John Grinstead's SignalHire profile was last updated on 9 May 2026, reflecting their current position as Owner at Xtrteme Direct Mail.

John Grinstead Namesakes

Name
Company
Position
John Grinstead
Candlewood Suite
Currently seeking new Challanges
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John Grinstead
Teaching Assistant
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John Grinstead
Department of Spanish and Portuguese, Ohio State University
Professor and Chair
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