Guernsey Employee Directory

Q: What is Guernsey known for?

Guernsey was founded in 1928. Guernsey operates in the Architecture and Planning industry.

Q: How many employees does Guernsey have currently?

Guernsey has approximately 157 employees.

Architecture and PlanningOklahoma, United States51-200 Employees

Founded in 1928, Guernsey is a multidisciplinary design and consulting firm based in Oklahoma City, Oklahoma, and with work across five continents. With a legacy of delivering innovative solutions across diverse industries, Guernsey is committed to advancing sustainable practices and enhancing the built environment. Guernsey is 100% owned by its people, passionately entrepreneurial, and culture-driven. 

Guernsey’s services span architecture, engineering, economic and management consulting, environmental and transportation planning, and cybersecurity solutions—reflecting the firm’s belief that integrated expertise leads to stronger, more enduring outcomes.

Find Guernsey employees' phone numbers or email addresses

Guernsey Global Highlights

North America
297

United States Of America
297

Europe
4

United Kingdom Of Great Britain And Northern Ireland
4

Africa
1

South Africa
1

Oceania
1

Australia
1

Guernsey's Leadership

J. S.
Chief Executive Officer
Mobile Phone
Email
E. T.
Vice President And Design Group Director, Engineering
Mobile Phone
Email
H. A.
Vice President Energy & Utility Solutions
Mobile Phone
Email
D. N.
President And Chief Executive Officer
Mobile Phone
Email
H. G.
President
Mobile Phone
Email
J. B.
President
Mobile Phone
Email
M. G.
President
Mobile Phone
Email
T. K.
President
Mobile Phone
Email

Guernsey Employee Metrics

100%

50%

0%

2026

2025

Arts & Design
Engineering
Information Technology
Program & Project Management
Consultant
Other

Contact profiles from Guernsey

Name

Title

Contact Info

Location

Last Update

T. F.
Vice President, Director Of Cybersecurity Consulting
Mobile Phone
Email
United StatesOklahoma
Feb 10, 2026
A. A.
Vice President, Design Group Director, Environmental/Planning
Mobile Phone
Email
Jan 28, 2026
E. T.
Vice President And Design Group Director, Engineering
Mobile Phone
Email
United StatesOklahoma
Feb 10, 2026
T. H.
Vice President, Director Of Power Engineering
Mobile Phone
Email
United StatesOklahoma
Feb 10, 2026
F. B.
Senior Vice President
Mobile Phone
Email
United StatesOklahoma
Jan 28, 2026
J. A.
Vice President
Mobile Phone
Email
United States
Apr 08, 2025
D. H.
Executive Vice President, Manager Of Analytical Solutions Group
Mobile Phone
Email
United StatesOklahoma
Jan 28, 2026
J. B.
Vice President
Mobile Phone
Email
United StatesOklahoma
Nov 14, 2025
J. P.
Vice President, Managing Consultant
Mobile Phone
Email
United States
Nov 13, 2025
D. O.
Ae Business Development Director, Vice President
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is Guernsey known for?

Guernsey was founded in 1928 operates in the Architecture and Planning industry. The company's main headquarters is located in 5555 North Grand Boulevard Oklahoma City, Oklahoma 73112 United States; you can contact the main corporate office by phone at

+1-405-416-****

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

What is Guernsey's most common email format?

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

How many employees does Guernsey have currently?

Guernsey has approximately 157 employees as of February 2026. These team members are located across 4 continents, including North AmericaEuropeAfrica.

Who are Guernsey's key employees and leadership?

As of February 2026, Guernsey's key employees include:

Chief Executive Officer: J. S.
Vice President And Design Group Director, Engineering: E. T.
Vice President Energy & Utility Solutions: H. A.
President And Chief Executive Officer: D. N.
President: H. G.

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