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John Gartner Email & Phone Number
Principal and Brokerage Senior Vice President
at
Colliers International
1 work email found
@colliers.com
7 phones found area 513, 617, 253, and 206
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
Principal and Brokerage Senior Vice President
Location
Cincinnati, Ohio, United States
Company size
Who is John Gartner? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Gartner is listed as Principal and Brokerage Senior Vice President at Colliers International, a company with 18 employees, based in Cincinnati, Ohio, United States. AeroLeads shows a work email signal at colliers.com, phone signal with area code 513, 617, 253, 206, and a matched LinkedIn profile for John Gartner.
John Gartner previously worked as Principal/ Brokerage Senior Vice President at Colliers International and Senior Sales Vice President at Grubb & Ellis West Shell Commercial. John Gartner holds Marketing, Real Estate from University Of Cincinnati.
Company email context
Email format at Colliers International
This section adds company-level context without repeating John Gartner's masked contact details.
{first}.{last}@colliers.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Gartner. Compare company email patterns before reaching out.
Profile bio
About John Gartner
John Gartner is a Principal and Brokerage Senior Vice President at Colliers International.
Current workplace
John Gartner's current company
Company context helps verify the profile and gives searchers a useful next step.
Colliers International
Employees
18
AeroLeads page
3 roles
John Gartner work experience
A career timeline built from the work history available for this profile.
Principal/ Brokerage Senior Vice President
Current
May 2010 - Present
Senior Sales Vice President
Grubb & Ellis West Shell Commercial
May 2000 - Apr 2010
2 education records
John Gartner education
Marketing, Real Estate
Education record
St Xavier High School
FAQ
Frequently asked questions about John Gartner
Quick answers generated from the profile data available on this page.
What company does John Gartner work for?
John Gartner works for Colliers International.
What is John Gartner's role at Colliers International?
John Gartner is listed as Principal and Brokerage Senior Vice President at Colliers International.
What is John Gartner's email address?
AeroLeads has found 1 work email signal at @colliers.com for John Gartner at Colliers International.
What is John Gartner's phone number?
AeroLeads has found 7 phone signal(s) with area code 513, 617, 253, 206 for John Gartner at Colliers International.
Where is John Gartner based?
John Gartner is based in Cincinnati, Ohio, United States while working with Colliers International.
What companies has John Gartner worked for?
John Gartner has worked for Colliers International and Grubb & Ellis West Shell Commercial.
How can I contact John Gartner?
You can use AeroLeads to view verified contact signals for John Gartner at Colliers International, including work email, phone, and LinkedIn data when available.
What schools did John Gartner attend?
John Gartner holds Marketing, Real Estate from University Of Cincinnati.
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