Tetra Tech Information
Contact top employees from
Tetra Tech
Summary
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, T...Show more
Industries
Civil Engineering
Headquarters Location
Employees Size
10000+ employees
Specialties
Water, Energy, Environment, Infrastructure, International Development, Resource Management, Technology Solutions, High Performance Buildings, Data Analytics, Artificial Intelligence, Asset Management, Design and Engineering, Emergency Management, Disaster Recovery, Laboratory Services, Solid Waste Solutions, Surveying and Mapping
Contact Tetra Tech
Organization Website
Social Links
Contact Email
charlie.macpherson@tetratech.com
Phone Number
1(626) 351-4664
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1914 | Public Company | 25 - 100 | 28.1M | $4.4M | |
| 1879 | Public Company | 10K - 50K | 119.3B | $0 | |
| 1923 | Public Company | 10K - 50K | 12.1B | $0 | |
| 1919 | Public Company | 10K - 50K | 13.4B | $0 | |
| 2000 | - | 1000-5000 | - | $- |
Subsidiaries and Affiliated Companies
Employees Turnover 3 quarter 2025
Number of employees switched from or switched to
Total number all of employee turnover
Current employees switched from
Length of Employment
Employee tenure at Tetra Tech shows a diverse range of experience levels:
15% for 1–2 years17% for 3–4 years20% for 5–7 years14% for 8–10 years35% have over 11 years of service at Tetra TechEx-employees positions
In Company
In New Company
Contact top employees from
Tetra Tech
Nefi Garza PE
WCS Regional Operations Manager
Tricia Moore
Navy CLEAN Deputy Program Manager
Purshotam Juriasingani
Vice President, Technology Development-Emerging Contaminants
Amanda Hargrave
Senior Project Manager - Onshore Renewables
Merrick Jackinsky
Resource Efficiency Manager
Ray Spickler
Air Traffic Specialist III
David Salanty
Resource Efficiency Manager
Hoone David
Senior Permitting and Compliance Manager
Dylan Owen
Civil and Environmental Engineer
Ronald Celiz
Florida Transportation Design Manager
Jim Sanders
Lead Civil Designer
Shawn Franjeskos
Senior Project Manager
Randy Walsh
Senior Restoration Ecologist
Jessica Hodges
Permit Specialist/Deputy Project Manager
Daniel Grenier
Vice President - Energy
Evelyn Gunawan
Programme Director
Mazda Irani
Senior Geotechnical Engineer
Todd Clendening
Civil Design Technologist
Omar Boujaoude
Mechanical Engineer - Nuclear Projects
Amy Richards
Deputy Facility Director - Operations
Yann Christopher Brou
Contrôleur de projet -Contrôleur de coût de projet
Christine Catanach
Project Administrator
Michael Casados
Senior Electrical Designer
Brian Claybourn
Senior Project Geologist
