What departments does Environmental Science Associates have?

Environmental Science Associates has employees across 13 departments including Engineering, Marketing, Media & Communications, Program & Project Management, Administrative.

What is the largest department at Environmental Science Associates?

The largest department at Environmental Science Associates is Engineering with 5 employees.

Where are Environmental Science Associates employees located globally?

Environmental Science Associates has employees across 6 continents and 15 countries including Ghana, Nigeria, Uganda, Kenya, South Africa.

How has Environmental Science Associates's team size changed over time?

Environmental Science Associates's team has decreased from approximately 922 to 634 employees based on available data.

Environmental Science Associates Employee Directory

Environmental ServicesCalifornia, United States501-1000 Employees

Environmental Science Associates (ESA) is a 100% employee-owned environmental consulting firm that provides planning, design, permitting, mitigation, and restoration services for projects across communities, infrastructure systems, open spaces, and wildlands. The firm is headquartered at 550 Kearny Street, Suite 800, San Francisco, California 94108, and operates from 21 offices across California, the Pacific Northwest, and the Southeastern United States, with about 50 years of operation. ESA specializes in community and airport planning, environmental planning, analysis and assessment, natural and cultural resources management, environmental restoration and design, and regulatory compliance. Its team comprises scientists, planners, historians, archaeologists, engineers, designers, and other technical specialists who provide analysis and support for policy development and project planning. Recent developments include the acquisition of Janicki Environmental in 2024, the acquisition of 48 North Solutions in 2025, and the engagement of the Tahoe Regional Planning Agency as a new client in 2026.

Environmental Science Associates Global Highlights

North America
797

United States Of America
797

Africa
14

Nigeria
8
Kenya
2
Ghana
1
Uganda
1
South Africa
1
Somalia
1

Asia
5

India
2
Pakistan
2
Bangladesh
1

Europe
3

United Kingdom Of Great Britain And Northern Ireland
3

Oceania
3

Australia
2
New Zealand
1

Environmental Science Associates's Leadership

L. M.
President Chief Executive Officer
Mobile Phone
Email
B.
President
Mobile Phone
Email
J. D.
President
Mobile Phone
Email
G. F.
Owner
Mobile Phone
Email
D. D.
Vice President, Community Development Director
Mobile Phone
Email
B. A.
Senior Vice President/Northern California Regional Director
Mobile Phone
Email
C. S.
Se Regional Director / Senior Vice President
Mobile Phone
Email
M. D.
Vice President
Mobile Phone
Email

Environmental Science Associates Employee Metrics

100%

50%

0%

2026

2025

Engineering
Biotechnology
Environmental Services
Analytics
Program & Project Management
Other
Research
Accounting
Administrative
Legal

Contact profiles from Environmental Science Associates

Name

Title

Contact

Location

Last Update

B. E.
Senior Planner
Mobile Phone
Email
Oct 16, 2024
D. D.
Senior Marketing Coordinator
Mobile Phone
Email
Dec 05, 2024
J. B.
Senior Environmental Field Tech
Mobile Phone
Email
Oct 23, 2024
J. B.
Senior Associate
Mobile Phone
Email
Oct 22, 2024
S. G.
Senior Managing Associate
Mobile Phone
Email
Oct 17, 2024
S. R.
Senior Client Representative
Mobile Phone
Email
Oct 17, 2024
Z. L.
Senior Biologist
Mobile Phone
Email
Oct 22, 2024
T. B.
Principal
Mobile Phone
Email
Australia, Victoria
Sep 07, 2026
M. M.
Senior Wildlife Biologist
Mobile Phone
Email
Sep 09, 2026
A. G.
Technical Specialist
Mobile Phone
Email
Aug 29, 2026

Frequently Asked Questions

What is Environmental Science Associates known for?

Environmental Science Associates was founded in 1969 and operates in the Environmental Services industry. You can contact Environmental Science Associates's main corporate office by phone at

+1-415-896-****

. Explore Environmental Science Associates's company overview page for more information.

What is Environmental Science Associates's most common email format?

Environmental Science Associates employees' email format typically follows the pattern of FLast@esassoc.com. Trying to find reliable and up-to-date employee contact data? Find more Environmental Science Associates email formats with LeadIQ.

How many employees does Environmental Science Associates have currently?

Environmental Science Associates has approximately 747 employees as of August 2026. These team members are located across 5 continents, including North America, Africa and Asia.

Who are Environmental Science Associates's key employees and leadership?

As of August 2026, Environmental Science Associates's key employees include:

President Chief Executive Officer: L. M.
President: B.
President: J. D.
Owner: G. F.
Vice President, Community Development Director: D. D.

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Environmental Science Associates Employee Directory

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