For the past 25 years, Bonnie Brandreth has helped federal and state agencies, nongovernmental organizations, and private companies collect, analyze, and use data to build organizational strategies, drive decision making, and optimize performance.
Jill Manning Hudkins is Tetra Tech’s One Water Initiative leader. She has 25 years of consulting engineering experience and is responsible for the development and implementation of many of Tetra Tech’s large water supply, conveyance, and treatment programs.
Bryan Stirrat heads Tetra Tech’s Solid Waste Practice Group and has more than 35 years of experience in landfill planning, design, operation, and closure. A respected authority on innovative landfill gas management and landfill closure strategies, he has been Principal Engineer on projects at more than 250 landfills in North America and the Pacific.
Dr. Eduardo Yassuda has extensive experience related to coastal and oceanographic engineering, modeling of hydrodynamics, water quality, and ecological processes in coastal and estuarine systems. He has been actively involved in the implementation and improvements of more than a dozen hydrodynamic and water quality models for locations worldwide.
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.
Tetra Tech is providing volunteers, employees, and contractors across Australia—who may be exposed to bushfire risks in their duties or activities—with formal training on how to maintain awareness of and respond safely to bushfires to support resilience.
On November 28, 2018, community officials, the Liberian government, and officials from the U.S. Agency for International Development (USAID) celebrated the dedication of the Sanniquellie City water treatment plant. As part of the USAID Liberia Municipal Water Project (LMWP), Tetra Tech designed a solar-powered water treatment plant and public distribution system, placing kiosks within 500 meters of homes to reduce the time families spend collecting water to under 30 minutes. This is one of the largest solar-powered treatment plants in Liberia and West Africa.
SCS Global Services (SCS), a global third-party certification body, announced today that Ledesma SAAI, an Argentinian agribusiness company that produces 40% of the nation’s printing and writing paper has earned Carbon Footprint Verification for its Office Ream paper product. This internationally recognized verification demonstrates Ledesma’s strong commitment to product transparency as part of its overall leadership in product stewardship and environmental sustainability.
“Water security is the single largest investment opportunity in the years ahead. It is the foundation for healthy people, planet and profit. Water security investments ensure social and environmental returns, as well as possible financial outperformance,” states writer Thomas Schumann
Cascale shares updates on its strategic partnerships with industry stakeholders geared toward shifting the industry into one that gives back more than...
Entergy’s 2025 performance report, “Energy for a better future” presents an overview of our company’s 2025 achievements, future plans and strategies...
Focus on preventing and treating malnutrition across life stages. Highlights include early detection, community-based treatment (e.g., MUAC screening...
For more than 160 years, Bacardi has been a family-owned company guided by its heritage. From the revolutionary introduction of BACARDÍ rum, the birth...
