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
  • Senior Open Source Analyst at Calhoun International (d/b/a Core One)
    M. O.
    Senior Open Source Analyst
    Feb 05, 2026
  • Task Lead at Calhoun International (d/b/a Core One)
    A. G.
    Task Lead
    Oct 17, 2024
  • Principal at Calhoun International (d/b/a Core One)
    A. G.
    Principal
    Oct 18, 2024
  • Principal at Calhoun International (d/b/a Core One)
    R. B.
    Principal
    Oct 23, 2024
  • Certified Pilates Instructor at Calhoun International (d/b/a Core One)
    D. S. C.
    Certified Pilates Instructor
    United Kingdom
    Jun 26, 2026
  • Security Specialist at Calhoun International (d/b/a Core One)
    A. L. L.
    Security Specialist
    Sep 11, 2026
  • Analyst at Calhoun International (d/b/a Core One)
    C. S.
    Analyst
    Jun 26, 2026
  • Intelligence Analyst at Calhoun International (d/b/a Core One)
    F. C.
    Intelligence Analyst
    Apr 15, 2026
  • Intelligence Analyst (support To Acquisition Programs) at Calhoun International (d/b/a Core One)
    V. B.
    Intelligence Analyst (support To Acquisition Programs)
    Sep 08, 2026
  • Logistics Analyst at Calhoun International (d/b/a Core One)
    J. H.
    Logistics Analyst
    Jun 28, 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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