What departments does GMB have?

GMB has employees across 8 departments including Operations, Engineering, Branding, Arts & Design, Program & Project Management.

What is the largest department at GMB?

The largest department at GMB is Engineering with 9 employees.

Where are GMB employees located globally?

GMB has employees across 4 continents and 16 countries including Tunisia, Ethiopia, Gambia, Zimbabwe, Jordan.

How has GMB's team size changed over time?

GMB's team has decreased from approximately 190 to 162 employees based on available data.

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GMB Employee Directory

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

GMB's key employees include: Chief Executive Officer: A. G., Chief Operating Officer (coo): R. D., Vice President Of Architecture: R. D., President: D. B., President: M. T..

Professional ServicesMichigan, United States201-500 Employees

GMB is a mid-sized professional services firm based in Holland, Michigan. It focuses on supporting schools and universities through integrated teams that cover planning, architecture, engineering, branding, and enrollment marketing, enabling educational environments where learners can thrive. The firm's approach links physical spaces with the institution's branding to create cohesive campus experiences.

Its client base comprises educational institutions seeking to address diverse student needs and improve safety and growth outcomes. Operating in the professional services sector, GMB positions itself as a collaborative partner to educators, emphasizing growth, knowledge sharing, staff development, and continual learning. The company maintains five Learning Hub locations across Michigan, Indiana, and South Carolina and serves educators nationwide.

GMB Global Highlights

North America
248

United States Of America
247
Mexico
1

Europe
7

Germany
2
United Kingdom Of Great Britain And Northern Ireland
1
Romania
1
Hungary
1
France
1
Italy
1

Africa
4

Tunisia
1
Ethiopia
1
Gambia
1
Zimbabwe
1

Asia
4

Jordan
1
Indonesia
1
India
1
Bangladesh
1

GMB's Leadership

A. G.
Chief Executive Officer
Mobile Phone
Email
R. D.
Chief Operating Officer (coo)
Mobile Phone
Email
R. D.
Vice President Of Architecture
Mobile Phone
Email
D. B.
President
Mobile Phone
Email
M. T.
President
Mobile Phone
Email
J. M.
Co-Founder And Chief Executive Officer
Mobile Phone
Email
J. H.
Owner
Mobile Phone
Email
M. C.
Owner
Mobile Phone
Email

GMB Employee Metrics

100%

50%

2026

2025

Arts & Design
Engineering
Program & Project Management
Business
Civil Engineering & Construction
Other

Contact profiles from GMB

Name

Title

Contact Info

Location

Last Update

D. B.
President
Mobile Phone
Email
United StatesMichigan
Jun 02, 2026
R. D.
Chief Operating Officer (coo)
Mobile Phone
Email
United StatesMichigan
Dec 20, 2024
A. G.
Chief Executive Officer
Mobile Phone
Email
Oct 16, 2024
J. H.
Owner
Mobile Phone
Email
Oct 16, 2024
J. M.
Co-Founder And Chief Executive Officer
Mobile Phone
Email
Oct 16, 2024
M. C.
Owner
Mobile Phone
Email
Oct 21, 2024
M. P.
Chairman
Mobile Phone
Email
Oct 17, 2024
M. T.
President
Mobile Phone
Email
Oct 22, 2024
P. T.
Owner
Mobile Phone
Email
Oct 22, 2024
M. G. S.
Vp, Client Strategy
Mobile Phone
Email
United StatesKentucky
May 29, 2026

Frequently Asked Questions

What is GMB known for?

GMB was founded in 1968 operates in the Professional Services industry. The company's main headquarters is located in 85 East 8th Street Suite 200 Holland, Michigan 49423 United States; you can contact the main corporate office by phone at

+1-616-796-****

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

What is GMB's most common email format?

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

How many employees does GMB have currently?

GMB has approximately 251 employees as of May 2026. These team members are located across 4 continents, including North AmericaEuropeAfrica.

Who are GMB's key employees and leadership?

As of May 2026, GMB's key employees include:

Chief Executive Officer: A. G.
Chief Operating Officer (coo): R. D.
Vice President Of Architecture: R. D.
President: D. B.
President: M. T.

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GMB Employee Directory

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