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 30,000 associates worldwide, Tetra Tech provides clear solutions to complex problems.

Videos from this campaign

Content from this campaign

Responsible Business & Employee Engagement

Expert Interview With Chris McClain, Health and Safety Expert
Chris McClain, Tetra Tech’s vice president of Corporate Health & Safety, has 30 years of experience in safety and industrial hygiene. She has spent the last 20 years managing health and safety programs at Tetra Tech. Ms. McClain maintains dual professional certifications as a Certified Safety Professional and a Certified Industrial Hygienist. She specializes in recognition and control of occupational hazards, focused on compliance and program development.

Environment

John Butler, International Water Development Expert
John Butler has more than 40 years of experience in water and natural resource management. He is a senior technical advisor in Tetra Tech’s international development practice, focusing on water supply, sanitation, and water infrastructure improvements in Africa.

Green Infrastructure

Shane Gerkin, Project Engineer: How His Passions Shaped His Career
Shane Gerkin is a project engineer with Glumac, A Tetra Tech Company, based in Irvine, California. As part of Tetra Tech’s High Performance Buildings Group, he specializes in sustainable design projects for state and local municipalities, and commercial clients. Shane has a degree in mechanical engineering from Iowa State University. We talked with Shane as part of our #TtInspires campaign celebrating the passion of Tetra Tech employees. Follow #TtInspires on social media for more stories.

Sustainable Development Goals

Expert Interview With Hope Herron, Resilient Infrastructure Expert
Hope Herron has been an environmental specialist and climate resilience expert with Tetra Tech for more than 10 years. She develops strategic, sustainable, resilient, and socio-economic solutions to global development challenges. Hope uses her knowledge to improve livelihoods, mitigate climate change impacts, and increase transparency for sustainable supply chains—from creating climate change assessment tools in the Caribbean to incorporating environmental considerations into road and bridge design in South Sudan.

Sustainable Development Goals

Expert Interview With Dave George, Architecture and Engineering Program Management Expert
Dave George has more than 25 years of experience in large-scale infrastructure and facility planning, design, and construction management for Department of Defense (DoD) projects, including significant work outside the contiguous United States (OCONUS). Since 2003 Dave has managed facility design and civil and utilities-related services for the U.S. Army Corps of Engineers (USACE) Middle East District (MED). He also has managed the design of prototypical district and training center facilities for the U.S. Agency for International Development (USAID) and projects for the U.S. Air Force.

Green Infrastructure

Expert Interview With Brian Stern, Building Energy Analyst
Brian Stern is an energy analyst with Glumac, A Tetra Tech Company, who supports firm-wide sustainable and high-performance building design. His work improves building performance from initial concept all the way through operation.

Diversity & Inclusion

Paula Chou, Mechanical Designer: How Her Passions Shaped Her Career
Paula Chou is a mechanical designer with Glumac, A Tetra Tech Company, based in Irvine, California. She works on the sustainable design of HVAC projects for architects and owners of building construction. Paula has a bachelor’s degree in environmental engineering. We talked with Paula as part of our #TtInspires campaign celebrating the passion of Tetra Tech employees. Follow #TtInspires on social media for more stories.

Green Infrastructure

Expert Interview With Chad Helmle, Stormwater Management Expert
Chad Helmle, Tetra Tech’s national lead for green infrastructure, has more than 20 years of experience in the stormwater and watershed management field. Mr. Helmle oversees numerous large and small water resources projects and programs across the United States that explore a broad spectrum of stormwater-related issues, ranging from strategic planning to design and implementation. He has worked on more than 50 neighborhood-scale green infrastructure retrofit design efforts in parks and other public spaces and has helped pioneer new and innovative watershed and best management practices modeling analyses.

Environment

Dr. Lachlan Copeland, Senior Botanist, Discusses Discovery and Naming of New Species
Lachlan Copeland, a senior botanist with Eco Logical Australia, A Tetra Tech Company, is based in northern New South Wales (NSW), Australia. His work with plants is varied, but his main interest is in plant taxonomy—the process of classifying, describing, and naming species.

Environment

Expert Interview with Christine Arbogast, Solid Waste Expert
Ms. Arbogast leads the Organics Management Committee for Tetra Tech’s Solid Waste Practice. Her recent work has focused on helping solid waste system managers meet new requirements for diversion of organic waste from landfills and the assessment of financially and environmentally sustainable solid waste management practices. Her work has included evaluation of landfill capacity optimization options, waste diversion and organics management programs, renewable energy and conversion technologies, and food waste recycling and prevention programs.
Tetra Tech logo

More from Tetra Tech

  1. 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...

  2. Leading with Science®
    Over the past 50 years, Tetra Tech has built a reputation of Leading with Science by providing innovative technical solutions for its clients. Leading...

  3. Designing high-performing, sustainable buildings around the world
    Tetra Tech’s High Performance Buildings Group includes 1,500 professionals focused on the design and delivery of high-end, energy efficient...

  4. Sustainable Solutions for Our People, Our Projects, and Our Planet
    Tetra Tech helps our clients address water, environment, and energy needs through programs that minimize impacts on the environment while providing...

  5. Celebrating 50 Years of Excellence
    Tetra Tech has been solving the world’s most complex problems for 50 years. In 1966 our four founders started Tetra Tech to provide innovative...

  6. Creating practical, sustainable international development solutions
    Tetra Tech uses an integrated approach to international development services that focuses on empowering local communities and leveraging private...

  7. Growing the Next Generation of Engineers through STEM
    Tetra Tech is helping grow the next generation of engineers and scientists, who will find solutions to the world’s most complex problems. Science...