Environment

Ms. Walmsley leads Tetra Tech’s geomatic technologies group and is the program manager for remote sensing. She has more than fifteen years of experience in the environmental management and consulting industries. She is a certified GISP and PMP. Her experience includes using GIS and remote sensing technology on projects throughout the United States and internationally.

Rob Ivanovic is a senior engineering project manager with 20 years of experience in water treatment, wastewater treatment, and water distribution involving SCADA and DCS planning, design, programming, implementation, and testing. He has managed numerous engineering, construction, configuration, and start-up projects. His expertise includes identifying stakeholders, defining scope management plans with cost and labor baseline estimates, scheduling and coordinating project activities, planning risk management, tracking work progress, forecasting labor requirements, and producing compliance reports.

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. Catherine (Kitty) Courtney has more than 25 years of international and domestic experience in marine and coastal management, climate change adaptation, and coastal community resilience.

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.

Michael Kovacich, CPG, CP graduated from Eastern Michigan University in 1991 with a major in geology and a minor in biology. He received his Master of Science in Earth Science from Western Michigan University in 1999, specializing in contaminant hydrogeology and coastal processes.

William (Bill) Meade has more than 30 years of international experience, specializing in energy, environment, and economic growth.

Steve McGee has more than 30 years of experience in the investigation, development, and implementation of sediment remediation projects. He has studied and managed several of the largest sediment remediation efforts in the United States, from the Fox River in Wisconsin to the Kalamazoo River in Michigan.

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.