What departments does CallisonRTKL have?

CallisonRTKL has employees across 11 departments including Finance, Entrepreneurship, Legal, Administrative, Healthcare Services.

What is the largest department at CallisonRTKL?

The largest department at CallisonRTKL is Entrepreneurship with 5 employees.

Where are CallisonRTKL employees located globally?

CallisonRTKL has employees across 4 continents and 15 countries including China, United Arab Emirates, Philippines, India, Saudi Arabia.

How has CallisonRTKL's team size changed over time?

CallisonRTKL's team has decreased from approximately 1.4K to 411 employees based on available data.

Learn more at LeadIQ.com

CallisonRTKL Employee Directory

Q: Who are CallisonRTKL's key employees and leadership?

CallisonRTKL's key employees include: Chief Financial Officer And Executive Vice President: A. F., Chief Executive Officer: C. M., Chief Executive Officer Owner: G. W., Chief Compliance Officer: W. A., Vice President / Shanghai Office Director: A. H..

Architecture and PlanningNorth Holland, Netherlands201-500 Employees

CallisonRTKL is an architecture and planning practice based in Amsterdam, North Holland. It has joined Arcadis, creating one of the world's largest architecture practices. The combined organization emphasizes sustainable design, social impact, and digital innovation across natural and built environments.

Its client base includes developers, retailers, investors, institutions, and public entities. The arrangement positions the firm to address complex urban challenges and help shape the cities and communities of tomorrow. The integration follows Arcadis’ broader expansion in Northern Europe, including a recent increase in its Manchester presence.

CallisonRTKL Global Highlights

North America
389

United States Of America
379
Mexico
8
Canada
2

Europe
202

Netherlands
179
United Kingdom Of Great Britain And Northern Ireland
21
France
1
Germany
1

Asia
174

China
117
United Arab Emirates
42
Philippines
7
India
6
Saudi Arabia
1
Indonesia
1

CallisonRTKL's Leadership

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

CallisonRTKL Employee Metrics

100%

50%

2026

2025

Arts & Design
Engineering
Program & Project Management
Accounting
Marketing
Other
Human Resources
Business

Contact profiles from CallisonRTKL

Name

Title

Contact Info

Location

Last Update

A. F.
Chief Financial Officer And Executive Vice President
Mobile Phone
Email
May 06, 2024
C. M.
Chief Executive Officer
Mobile Phone
Email
Oct 22, 2024
D. C.
Owner
Mobile Phone
Email
Oct 22, 2024
D. C.
Owner
Mobile Phone
Email
Oct 22, 2024
D. F.
Owner
Mobile Phone
Email
Oct 23, 2024
F. K.
Owner
Mobile Phone
Email
Oct 22, 2024
G. W.
Chief Executive Officer Owner
Mobile Phone
Email
Oct 23, 2024
M. A.
President
Mobile Phone
Email
Oct 18, 2024
T. F.
President
Mobile Phone
Email
Oct 22, 2024
W. A.
Chief Compliance Officer
Mobile Phone
Email
Oct 23, 2024

Frequently Asked Questions

What is CallisonRTKL known for?

CallisonRTKL operates in the Architecture and Planning industry; you can contact the main corporate office by phone at

+1-410-537-****

. Explore CallisonRTKL's company overview page for more information.

What is CallisonRTKL's most common email format?

CallisonRTKL employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more CallisonRTKL email formats with LeadIQ.

How many employees does CallisonRTKL have currently?

CallisonRTKL has approximately 450 employees as of July 2026. These team members are located across 3 continents, including North AmericaEuropeAsia.

Who are CallisonRTKL's key employees and leadership?

As of July 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.

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CallisonRTKL Employee Directory

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