Calhoun International (d/b/a Core One) logo

Calhoun International (d/b/a Core One) Employee Directory

Business Consulting and ServicesFlorida, United States51-200 Employees

Calhoun International, d/b/a Core One, is a Tampa-based business consulting and services firm established in 2005. It operates as a Service Disabled Veteran-Owned, Small Business certified by the Department of Veterans Affairs Center for Veterans Enterprise, with a footprint across Florida, Maryland, Texas, Virginia, Washington DC, and overseas locations. The company offers a range of analytic and operational support services, including intelligence operations and analysis, fraud analysis and investigations, threat finance analysis, cyberspace analytic support, information technology, irregular warfare analysis, strategic planning, counterterrorism analysis, and operational research systems analysis. Its client focus lies with government agencies operating within the defense and intelligence communities, addressing complex security, threat, and strategic challenges. In December 2024 Core One Group announced the acquisition of Calhoun International, signaling a consolidation aimed at expanding mission-critical support for agency customers in the DoD and IC.” } }# } } }} } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } }

Find Calhoun International (d/b/a Core One) employees' phone numbers or email addresses

Calhoun International (d/b/a Core One) Global Highlights

Location
Employees

North America
130

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  • United States Of America
    129
  • Canada
    1

Asia
24

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  • India
    14
  • Pakistan
    2
  • Singapore
    2
  • Thailand
    1
  • Philippines
    1
  • China
    1
  • Israel
    1
  • Viet Nam
    1
  • United Arab Emirates
    1

Europe
8

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  • United Kingdom Of Great Britain And Northern Ireland
    5
  • Netherlands
    1
  • France
    1
  • Spain
    1

Africa
2

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  • Nigeria
    1
  • Uganda
    1

South America
2

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  • Brazil
    2

Oceania
1

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  • New Zealand
    1

Calhoun International (d/b/a Core One)'s Leadership

  • Chief Executive at Calhoun International (d/b/a Core One)
    J. H.
    Chief Executive
  • Vice President / Chief Financial Officer at Calhoun International (d/b/a Core One)
    N. B.
    Vice President / Chief Financial Officer
  • Partner at Calhoun International (d/b/a Core One)
    S. A.
    Partner
  • Owner at Calhoun International (d/b/a Core One)
    J. L.
    Owner
  • Independent Director at Calhoun International (d/b/a Core One)
    A. G. M.
    Independent Director
  • Executive Director at Calhoun International (d/b/a Core One)
    J. V.
    Executive Director
  • Sr. Billing Manager at Calhoun International (d/b/a Core One)
    R. C.
    Sr. Billing Manager
  • General Manager at Calhoun International (d/b/a Core One)
    A. L.
    General Manager

Calhoun International (d/b/a Core One) Employee Metrics

100%
50%
0%
2026
2025
  • Consultant
  • Engineering
  • Business Development
  • Research
  • Other
  • Program & Project Management
  • Accounting

Contact profiles from Calhoun International (d/b/a Core One)

Name
Title
Contact
Location
Last Update
  • Chief Executive at Calhoun International (d/b/a Core One)
    J. H.
    Chief Executive
    United Kingdom, England
    Apr 15, 2026
  • Vice President / Chief Financial Officer at Calhoun International (d/b/a Core One)
    N. B.
    Vice President / Chief Financial Officer
    Aug 16, 2026
  • Partner at Calhoun International (d/b/a Core One)
    S. A.
    Partner
    Pakistan, Punjab
    Sep 10, 2026
  • Owner at Calhoun International (d/b/a Core One)
    J. L.
    Owner
    New Zealand, Auckland
    Mar 03, 2026
  • Independent Director at Calhoun International (d/b/a Core One)
    A. G. M.
    Independent Director
    India
    Sep 12, 2026
  • Executive Director at Calhoun International (d/b/a Core One)
    J. V.
    Executive Director
    Oct 22, 2024
  • Sr. Billing Manager at Calhoun International (d/b/a Core One)
    R. C.
    Sr. Billing Manager
    India, Haryana
    Jun 02, 2026
  • General Manager at Calhoun International (d/b/a Core One)
    A. L.
    General Manager
    China, Shandong
    Jun 24, 2026
  • Supervisor And Trainer at Calhoun International (d/b/a Core One)
    J. S.
    Supervisor And Trainer
    Oct 21, 2024
  • Sale Manager at Calhoun International (d/b/a Core One)
    Z. E.
    Sale Manager
    Aug 22, 2026

Frequently Asked Questions

What is Calhoun International (d/b/a Core One) known for?

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Calhoun International (d/b/a Core One) was founded in 2005 and operates in the Business Consulting and Services industry. You can contact Calhoun International (d/b/a Core One)'s main corporate office by phone at . Explore Calhoun International (d/b/a Core One)'s company overview page for more information.

What is Calhoun International (d/b/a Core One)'s most common email format?

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Calhoun International (d/b/a Core One) employees' email format typically follows the pattern of FLast@calhouninternational.com. Trying to find reliable and up-to-date employee contact data? Find more Calhoun International (d/b/a Core One) email formats with LeadIQ.

How many employees does Calhoun International (d/b/a Core One) have currently?

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Calhoun International (d/b/a Core One) has approximately 83 employees as of August 2026. These team members are located across 6 continents, including North America, Asia and Europe.

Who are Calhoun International (d/b/a Core One)'s key employees and leadership?

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As of August 2026, Calhoun International (d/b/a Core One)'s key employees include:

  • Chief Executive: J. H.
  • Vice President / Chief Financial Officer: N. B.
  • Partner: S. A.
  • Owner: J. L.
  • Independent Director: A. G. M.

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