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CallisonRTKL Employee Directory

Architecture and PlanningNorth Holland, Netherlands201-500 Employees

CallisonRTKL has about 439 employees across 3 continents, with the largest share in North America (49%). By country, the largest groups are United States Of America (49%), Netherlands (25%) and China (16%). Arts & Design and Accounting make up over half of the profiles with a known department. CallisonRTKL's workforce spans 20 departments. CallisonRTKL's workforce fell 42% between July 2025 and July 2026.

Find CallisonRTKL employees' phone numbers or email addresses

CallisonRTKL Global Highlights

Location
Employees

North America
361

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  • United States Of America
    357
  • Mexico
    4

Europe
204

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  • Netherlands
    181
  • United Kingdom Of Great Britain And Northern Ireland
    20
  • Germany
    2
  • Serbia
    1

Asia
168

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  • China
    116
  • United Arab Emirates
    40
  • India
    6
  • Philippines
    4
  • Indonesia
    1
  • Saudi Arabia
    1

North America accounts for 49% of CallisonRTKL's workforce, followed by Europe (28%) and Asia (23%).

CallisonRTKL's Leadership

  • Chief Executive Officer at CallisonRTKL
    C. M.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer Owner at CallisonRTKL
    G. W.
    Chief Executive Officer Owner
    Mobile Phone
  • Chief Financial Officer And Executive Vice President at CallisonRTKL
    A. F.
    Chief Financial Officer And Executive Vice President
    Mobile Phone
  • Chief Compliance Officer at CallisonRTKL
    W. A.
    Chief Compliance Officer
    Mobile Phone
  • Vice President / Shanghai Office Director at CallisonRTKL
    A. H.
    Vice President / Shanghai Office Director
    Mobile Phone
  • Vice President Financecontracts at CallisonRTKL
    O. C.
    Vice President Financecontracts
    Mobile Phone
  • President at CallisonRTKL
    M. A.
    President
    Mobile Phone
  • President at CallisonRTKL
    T. F.
    President
    Mobile Phone

CallisonRTKL Employee Metrics

100%
50%
0%
2026
2025
  • Arts & Design
  • Engineering
  • Program & Project Management
  • Accounting
  • Marketing
  • Other
  • Human Resources
  • Business

Arts & Design is the largest department at 79% of profiles with a known department, up from 60% in July 2025, followed by Accounting (4%, unchanged) and Business (3%, up from 0%).

Contact profiles from CallisonRTKL

Name
Title
Contact
Location
Last Update
  • Chief Financial Officer And Executive Vice President at CallisonRTKL
    A. F.
    Chief Financial Officer And Executive Vice President
    Mobile Phone
    May 06, 2024
  • Chief Executive Officer at CallisonRTKL
    C. M.
    Chief Executive Officer
    Mobile Phone
    Oct 22, 2024
  • Owner at CallisonRTKL
    D. C.
    Owner
    Mobile Phone
    Oct 22, 2024
  • Owner at CallisonRTKL
    D. C.
    Owner
    Mobile Phone
    Oct 22, 2024
  • Owner at CallisonRTKL
    D. F.
    Owner
    Mobile Phone
    Oct 23, 2024
  • Owner at CallisonRTKL
    F. K.
    Owner
    Mobile Phone
    Oct 22, 2024
  • Chief Executive Officer Owner at CallisonRTKL
    G. W.
    Chief Executive Officer Owner
    Mobile Phone
    Oct 23, 2024
  • President at CallisonRTKL
    M. A.
    President
    Mobile Phone
    Oct 18, 2024
  • Managing Member at CallisonRTKL
    P. C.
    Managing Member
    Mobile Phone
    Oct 22, 2024
  • President at CallisonRTKL
    T. F.
    President
    Mobile Phone
    Oct 22, 2024

Frequently Asked Questions

What are the largest departments at CallisonRTKL?

Minus sign iconPlus sign iconArts & Design is the largest department at 79% of profiles with a known department, up from 60% in July 2025, followed by Accounting (4%, unchanged) and Business (3%, up from 0%). CallisonRTKL's workforce spans 20 departments.

Where are CallisonRTKL's employees located?

Minus sign iconPlus sign iconCallisonRTKL has about 439 employees across 3 continents, with the largest share in North America (49%). North America accounts for 49% of CallisonRTKL's workforce, followed by Europe (28%) and Asia (23%). By country, the largest groups are United States Of America (49%), Netherlands (25%) and China (16%).

How has CallisonRTKL's workforce changed over the past year?

Minus sign iconPlus sign iconCallisonRTKL's workforce fell 42% between July 2025 and July 2026. Arts & Design's share of profiles with a known department rose from 60% to 79%.

How many employees does CallisonRTKL have currently?

Minus sign iconPlus sign iconCallisonRTKL has approximately 439 employees as of October 2026. These team members are located across 3 continents, including North America, Europe and Asia.

Who are CallisonRTKL's key employees and leadership?

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As of October 2026, CallisonRTKL's key employees include:

  • Chief Executive Officer: C. M.
  • Chief Executive Officer Owner: G. W.
  • Chief Financial Officer And Executive Vice President: A. F.
  • Chief Compliance Officer: W. A.
  • Vice President / Shanghai Office Director: A. H.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is CallisonRTKL's most common email format?

Minus sign iconPlus sign iconCallisonRTKL employees' email format typically follows the pattern of First.Last@crtkl.com. Trying to find reliable and up-to-date employee contact data? Find more CallisonRTKL email formats with LeadIQ.

What is CallisonRTKL known for?

Minus sign iconPlus sign iconCallisonRTKL operates in the Architecture and Planning industry. You can contact CallisonRTKL's main corporate office by phone at
+1-410-537-****
. Explore CallisonRTKL's company overview page for more information.

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