John Keller
2 email domains
AeroLeads people directory · profile
John Keller Email & Phone Number
CEO
at
FLEXTC
2 work emails found
@proteusondemand.com
2 phones found area 404 and 770
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
CEO
Location
Atlanta Metropolitan Area, United States, United States
Company size
Who is John Keller? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Keller is listed as CEO at FLEXTC, a company with 3 employees, based in Atlanta Metropolitan Area, United States, United States. AeroLeads shows a work email signal at proteusondemand.com, phone signal with area code 404, 770, and a matched LinkedIn profile for John Keller.
Company email context
Email format at FLEXTC
This section adds company-level context without repeating John Keller's masked contact details.
{first_initial}{last}@proteusondemand.com
89% confidence
AeroLeads found 2 current-domain work email signals for John Keller. Compare company email patterns before reaching out.
Profile bio
About John Keller
John Keller is a CEO at FLEXTC. He possess expertise in strategic planning, new business development, start ups, strategic partnerships, marketing strategy and 1 more skills.
Listed skills include Strategic Planning, New Business Development, Start Ups, Strategic Partnerships, and 2 others.
Current workplace
John Keller's current company
Company context helps verify the profile and gives searchers a useful next step.
Flextc
1 role
John Keller work experience
A career timeline built from the work history available for this profile.
-
Ceo
FAQ
Frequently asked questions about John Keller
Quick answers generated from the profile data available on this page.
What company does John Keller work for?
John Keller works for FLEXTC.
What is John Keller's role at FLEXTC?
John Keller is listed as CEO at FLEXTC.
What is John Keller's email address?
AeroLeads has found 2 work email signals at @proteusondemand.com for John Keller at FLEXTC.
What is John Keller's phone number?
AeroLeads has found 2 phone signal(s) with area code 404, 770 for John Keller at FLEXTC.
Where is John Keller based?
John Keller is based in Atlanta Metropolitan Area, United States, United States while working with FLEXTC.
What companies has John Keller worked for?
John Keller has worked for Flextc.
How can I contact John Keller?
You can use AeroLeads to view verified contact signals for John Keller at FLEXTC, including work email, phone, and LinkedIn data when available.
What skills is John Keller known for?
John Keller is listed with skills including Strategic Planning, New Business Development, Start Ups, Strategic Partnerships, Marketing Strategy, and Business Development.
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