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John Klein Email & Phone Number

Chief Financial Officer and Treasurer at Concurrent Technologies Corporation

Location: Johnstown, Pennsylvania, United States 1 work role

1 work email found @ctc.com LinkedIn matched

✓ Verified August 2026 3 data sources Profile completeness 86%

Current company

Concurrent Technologies Corporation

Role

Chief Financial Officer and Treasurer

Location

Johnstown, Pennsylvania, United States

Company size

1125 employees

Who is John Klein? Overview

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Quick answer

John Klein is listed as Chief Financial Officer and Treasurer at Concurrent Technologies Corporation, a with 1125 employees, based in Johnstown, Pennsylvania, United States. AeroLeads shows a work email signal at ctc.com and a matched LinkedIn profile for John Klein.

Company email context

Email format at Concurrent Technologies Corporation

This section adds company-level context without repeating John Klein's masked contact details.

{last}{first_initial}@ctc.com

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AeroLeads found 1 current-domain work email signal for John Klein. Compare company email patterns before reaching out.

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Profile bio

About John Klein

John Klein is a Chief Financial Officer and Treasurer at Concurrent Technologies Corporation. He possess expertise in government contracting, dod, proposal writing, defense, program management and 12 more skills.

Listed skills include Government Contracting, Dod, Proposal Writing, Defense, and 13 others.

Current workplace

John Klein's current company

Company context helps verify the profile and gives searchers a useful next step.

Concurrent Technologies Corporation

Chief Financial Officer and Treasurer

Johnstown, PA, US

Website

ctc.com

Employees

1125

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Company profile

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1 role

John Klein work experience

A career timeline built from the work history available for this profile.

Chief Financial Officer And Treasurer

Concurrent Technologies Corporation

Johnstown, Pa, Us

Team & coworkers

Colleagues at Concurrent Technologies Corporation

Other employees you can reach at ctc.com. View company contacts for 1125 employees →

Jean-Baptiste Acquaviva Colleague at Concurrent Technologies CorporationAjaccio, Corsica, France View → CL

Cherry Lian Colleague at Concurrent Technologies CorporationChina View → MV

Mauricio Vilches Colleague at Concurrent Technologies CorporationChile View → AV

Alexandra Vinogradova Colleague at Concurrent Technologies CorporationRussia, Russian Federation View → AM

Angela Mckool Colleague at Concurrent Technologies CorporationJohnstown, Pennsylvania, United States View → KF

Keila Frometa Colleague at Concurrent Technologies CorporationDominican Republic View → BF

Brian Farabaugh Colleague at Concurrent Technologies CorporationEbensburg, Pennsylvania, United States View → YZ

Yan Zhu Colleague at Concurrent Technologies CorporationChina View → CL

Carlos Lopez Ferreño Colleague at Concurrent Technologies CorporationGreater Barcelona Metropolitan Area, Spain View → AB

At Bouman Colleague at Concurrent Technologies CorporationCity Of Johannesburg, Gauteng, South Africa View →

FAQ

Frequently asked questions about John Klein

Quick answers generated from the profile data available on this page.

What company does John Klein work for?

John Klein works for Concurrent Technologies Corporation.

What is John Klein's role at Concurrent Technologies Corporation?

John Klein is listed as Chief Financial Officer and Treasurer at Concurrent Technologies Corporation.

What is John Klein's email address?

AeroLeads has found 1 work email signal at @ctc.com for John Klein at Concurrent Technologies Corporation.

Where is John Klein based?

John Klein is based in Johnstown, Pennsylvania, United States while working with Concurrent Technologies Corporation.

What companies has John Klein worked for?

John Klein has worked for Concurrent Technologies Corporation.

Who are John Klein's colleagues at Concurrent Technologies Corporation?

John Klein's colleagues at Concurrent Technologies Corporation include Jean-Baptiste Acquaviva, Cherry Lian, Mauricio Vilches, Alexandra Vinogradova, and Angela Mckool.

How can I contact John Klein?

You can use AeroLeads to view verified contact signals for John Klein at Concurrent Technologies Corporation, including work email, phone, and LinkedIn data when available.

What skills is John Klein known for?

John Klein is listed with skills including Government Contracting, Dod, Proposal Writing, Defense, Program Management, Security Clearance, Information Assurance, and Systems Engineering.

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