Tetra Tech

In a career spanning 25 years, Erin Toelke is a vice president of energy programs and Tetra Tech’s solar market lead.

Tetra Tech’s 2022 Sustainability Report shares our achievements and progress toward meeting our environmental, social, and governance goals for 2030.

Krista Dearing is Tetra Tech’s renewables business development lead for the southwestern United States and has more than 25 years of experience in environmental permitting for power transmission, distribution, and generation projects.

Staci Atwater is a project manager and professional engineer, and is certified as a WELL Accredited Professional and Living Future Ambassador.

Tetra Tech’s Norfolk office in the Hampton Roads, Virginia, area exemplifies the company’s spirit of giving by organizing and volunteering for multiple opportunities to support our environment and the local community.

Tetra Tech’s High Performance Buildings acoustics team received Tetra Tech’s 2021 Excellence & Achievement Award for Technical Achievement for developing an iOS application

Climate Change Business Journal (CCBJ) and Environmental Business Journal (EBJ) recognized Tetra Tech with six business achievement awards at the Environmental Industry Summit XX in San Diego, California, on March 16, 2022.

Jillian Jack has nearly 20 years of experience in the water and wastewater industry with expertise in project management, construction management, and design.

Tetra Tech is celebrating International Women’s Day on March 8 to honor the achievements of women in history who helped pave the way for women of today to continue making the world a better place.

Jessica Harre is Tetra Tech’s renewable energy engineering practice lead based in Chicago, Illinois. She is a licensed professional engineer with more than 14 years of experience.