
Al Davis - Chief Executive Officer
Al is a skilled leader with extensive experience in operational and financial management. Al has served in numerous leadership roles including CEO, President, and Management Advisor for public and private...
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Christopher Taylor, CPA, CGMA - Chief Financial Officer & Chief Administrative Officer
Chris has extensive experience in financial management, accounting, business analysis, systems implementation, risk management, and process improvement. His career has focused on environmental and professional service firms wherein he collaborated...
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Paula Houston - Human Resources Manager
Paula is a human resources specialist with expertise in the development, implementation, compliance, and management of human resources programs. She specializes in recruiting, employee relations and morale, compensation and benefits...
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Rik Langendoen - Managing Principal
Rik has more than 30 years of experience managing client accounts and sophisticated projects in environmental consulting, bringing a vast background in guiding clients through challenges ranging in size and...
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Chris Carter - Managing Principal
Chris has diverse experience as an environmental consultant in compliance-driven projects, including large commercial and industrial contaminated property cleanups, industrial and construction stormwater projects, source control studies and evaluations, brownfield...
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Ryan Bixby, LG - Managing Principal
Ryan has experience working on complex environmental projects and is a registered professional geologist specializing in due diligence and solutions for a variety of environmental problems. He has completed hundreds...
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Terry Montoya, PE - Principal Engineer
Terry has experience designing, building, and operating effective remediation systems under CERCLA, MTCA, and Washington State programs. His experience covers broad practical applications, including instrumentation design, materials handling, system design...
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Annika Wallendahl, PE, LG, MBA - Principal & Operations Manager
Annika has many years of experience in the environmental consulting and environmental management fields. She has extensive knowledge of industrial facility compliance regulations and compliance strategies. She offers a wide...
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Chris Kitchen, MSc - Senior Scientist
Chris is an environmental scientist and project manager. Chris has a wide range of experience including air permitting (NOC, PSD, Title V renewals), annual environmental compliance reports, conducting multi-media environmental...
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Rob Roberts - Senior Scientist
Rob is an environmental project manager with experience coordinating and managing environmental projects throughout the Pacific Northwest. He has conducted hundreds of Phase I Environmental Site Assessments, soil and groundwater...
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Tom Cammarata, LG, LHG - Principal Geochemist
Thomas is a licensed geologist and hydrogeologist in Washington State with an advanced degree in the field of Geochemistry. He has extensive experience in environmental consulting includes evaluating freshwater and marine...
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Chris Cass, LG - Associate Geologist & Group Manager
Chris is a licensed geologist with extensive experience in subsurface contaminant investigations, environmental due diligence, and environmental cleanups and monitoring. He has provided client services in the areas of field...
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Clare Tochilin, LG - Associate Hydrogeologist
Clare is a licensed hydrogeologist with experience in geologic and hydrogeologic fieldwork, data management and analysis, and report writing involving hazardous waste site remediation as well as clean water supply...
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Corey League, CHMM - Associate Environmental Scientist
Corey is an environmental scientist with expertise in managing regulated building materials. Corey provides technical support and management for a diverse array of environmental projects which include hazardous material surveys...
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Travis Zandi - Associate Scientist & Group Manager
Travis specializes in writing environmental technical documents for projects in the Pacific Northwest. He has contributed to SEPA environmental review documents and also prepares Phase I environmental site assessments, sampling...
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Jonathan Loeffler, LG - Project Geologist
Jonathan is a licensed geologist with professional experience in a wide variety of technical and task management roles. His areas of expertise include environmental subsurface investigations, geotechnical and environmental drilling...
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Kevin Bartelt - Project Scientist
Kevin has experience on a wide variety of environmental compliance projects. He specializes in field work and data collection for Phase I and II environmental site assessments, performing hazardous materials/asbestos...
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Logan Schumacher, GT - Project Geologist
Logan’s experience includes Phase I site assessments, subsurface investigations, excavation and drilling oversight, and groundwater and soil vapor sampling. His expertise also includes technical report writing for site assessments, remedial...
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Erika Vossbeck - Staff Stormwater Scientist
Erika specializes in stormwater compliance and NPDES stormwater permit program support for various private and public sector clients. Her experience includes construction site stormwater runoff control, stormwater management for new...
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Glenn McKenney - Staff Geologist
Glenn’s experience primarily includes subsurface investigations such as direct push, hollow-stem, hand auger drilling, USCS soil classifications and soil sampling. His expertise also includes groundwater monitoring, development and sampling, test...
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Sarah Welter - Staff Geologist
Sarah has experience in soil, sediment, benthic macroinvertebrate, surface water, marine water, and groundwater sampling and testing. She also has expertise in oversight of well installation and redevelopment, and treatment...
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Caroline Dickey - Staff Geologist
Caroline’s experience primarily includes Phase II subsurface investigations, excavation and drilling oversight, USCS soil classifications and soil sampling, groundwater monitoring, development and sampling, test pit sampling, and remedial observations during...
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Kyle Lowery - Staff Geologist
Kyle’s experience primarily includes subsurface investigations such as direct push, hollow-stem, hand auger drilling, USCS soil classifications and soil sampling. His expertise also includes groundwater monitoring, development and sampling, test...
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Hilda Ballard - Project Quality Manager
Hilda is a senior member of the Project Quality Department. Her responsibilities include the supervision of the Technical Editors, Project Coordinators, and the Administrative Assistant. Hilda and her team support...
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Derra Moyers - Senior Technical Editor
Derra is a versatile technical editor with experience working on a diverse range of documents in the environmental consulting industry. She has served as technical editor for many environmental reports...
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Rony Thi - Project Coordinator
Rony has broad experience supporting clients with her GIS, GPS, and Microsoft Office Suite skills, preparing maps and documents for environmental projects throughout Washington State. As a member of the...
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LauraLee Oswald - Accounting Manager
LauraLee is a senior member of our finance team, managing the department and overseeing the daily accounting operations for the company. Her responsibilities include timely preparation of the monthly financial...
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Marcia Hyde - Staff Accountant
Marcia is responsible for all activities in the accounts payable department. Marcia enters data, maintains records and files of all company expenses, and processes vendor invoices as well as employee...
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Sheri White - Accounting Lead
Sheri is responsible for the Corporate Billing, assisting Project Managers with special client requirements and report requests, completing bi-weekly payroll and 401(k) reconciliations, preparing monthly and quarterly Excise Tax Returns...
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Catherine Sutton - Administrative Assistant
Catherine oversees and coordinates the day-to-day administrative operations of an extremely busy front desk. She manages phones, welcomes and directs visitors, manages incoming and outgoing mail, monitors and manages office...
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Brandon Gutierrez - Staff Engineer
Brandon Gutierrez is a chemical engineer with a background in refinery operations and field work. He has training in responding to and mitigating hazardous material threats. His experience in engineering...
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Mindy Graddon - Associate Geologist
Mindy Graddon is a Washington State Licensed Geologist and a Project Management Professional. Since 2007 her work has focused on applied geology, with responsibilities of well installation and decommissioning oversight...
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