Industry-leading expertise and a passion for our work

Tetra Tech is a leading, global provider of consulting and engineering services. We are differentiated by Leading with Science® to provide innovative technical solutions to our clients. We support global commercial and government clients focused on water, environment, sustainable infrastructure, renewable energy, and international development. With 21,000 associates worldwide, Tetra Tech provides clear solutions to complex problems.

Videos from this campaign

Content from this campaign

Diversity & Inclusion

Interview With Hannah George, Engineer, Information Communications and Technology
Hannah George is a project manager who specializes in information and communications technology (ICT) and security. She joined Tetra Tech in 2012 and applies her 17 years of experience to high performance buildings for health, education, office, and retail.

Diversity & Inclusion

Interview With Maureen Harris, Water Resources Engineer
Maureen Harris is a water resources engineer and joined Tetra Tech in 2012. She specializes in modeling, green infrastructure, and stormwater engineering.

Diversity & Inclusion

Interview With Carol Nissen, Environmental Engineer
Carol Nissen is a professional engineer and geologist who specializes in brownfields redevelopment. She joined Tetra Tech in 1997 and applies her years of experience to the environmental management market.

Diversity & Inclusion

Interview With Diane MacMillan, Chemical Engineer
Diane MacMillan is a chemical engineer who specializes in remediation, focusing on Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) programs to manage the cleanup of sites contaminated with hazardous substances and pollutants.

Diversity & Inclusion

Women’s Forum of New York Recognizes Tetra Tech for Female Board Representation
The Women’s Forum of New York will recognize Tetra Tech at its Breakfast of Corporate Champions on November 7, 2019, for achieving at least 30 percent female board representation.

Diversity & Inclusion

Interview With Chris Jansen, Design Engineer
Chris is a design engineer with a focus on stormwater management and designing systems to manage the quality and quantity of stormwater conveyed through storm drains. This ultimately reduces pollution to rivers, lakes, and oceans. These stormwater management projects often include stormwater reuse components, which are essential in dry areas like Southern California.

Diversity & Inclusion

Tetra Tech’s Leadership Academy Class of 2019 Hones Their Risk and Financial Management Skills
Participants in Tetra Tech’s 2019 Leadership Academy class recently spent four days in Denver, Colorado, focused on financial and risk management tools, contract negotiations, and strategic planning to optimize performance in their operations.

Diversity & Inclusion

Interview With Laureen Abustan, Civil and Environmental Project Engineer
Laureen Abustan is a water and wastewater project engineer. She joined Tetra Tech in March 2018 and applies her expertise in water, wastewater, environmental engineering, site development, and stormwater capture and reuse on projects in Los Angeles, California.

Diversity & Inclusion

Interview With Candice Au-Yeung, Civil Engineer
Candice Au-Yeung is a civil engineer and assistant project manager at Tetra Tech. She specializes in site-civil and pipeline design and planning for municipal combined sewer overflow programs. She has bachelor’s and master’s degrees in civil and environmental engineering. We talked with Candice as part of our #TtInspires campaign celebrating the passion of Tetra Tech employees. Follow #TtInspires on social media for more stories.

Diversity & Inclusion

Interview With Megan Hanrahan, Structural Engineer
Megan Hanrahan is a design engineer at Tetra Tech, specializing in structural engineering. She has a Bachelor of Science in Civil Engineering from University of California, Irvine, and a master’s degree in Structural Engineering from University of California, Los Angeles. She passed the national PE exam and is currently in the application process for the California survey and seismic exams. We spoke with Megan as part of our #TtInspires campaign celebrating the passion of Tetra Tech employees. Follow #TtInspires on social media for more stories.
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