Planned Maintenance — August 8-9, 2026

We will be performing scheduled website maintenance this weekend. During this time, the site may be temporarily unavailable.

We appreciate your patience. If you need to register for a course or have questions, please contact us at info@nwetc.org or 425-270-3274.

Instructors

Dr. Dave Rich

Dr. David W. Rich is the President and co-founder of Geotech Computer Systems, Inc. He has a B.S. in geology from the University Of Notre Dame, and an M.S. and Ph.D. in geology from The University of Illinois. He has over 30 years of experience in the petroleum, mining, and environmental industries, having worked for Texaco (now Chevron), Shell, Sabine Corporation, and Grant Environmental/Scientech in addition to Geotech. He is the author of the book Relational Management and Display of Site Environmental Data, from CRC Press/Lewis Publishers.

Erin Rothman

Erin has more than a decade of experience as an environmental consultant in Seattle, and she specializes in remediating contaminated sites as part of larger redevelopment projects, guiding them through Washington State Department of Ecology's Voluntary Cleanup Program or completing cleanups in accordance with formal Agreed Orders and Consent Decrees.

Amanda Royal

Prior to joining Brooks Applied Labs, Amanda Royal received her B.S. degree in Environmental Resource Management from Arizona State University and worked as an Environmental Program Specialist with the Arizona Department of Environmental Quality. She was significantly involved in managing several Total Maximum Daily Load (TMDL) studies for mercury and has more than 10 years of extensive practical field experience collecting environmental samples for trace level analyses in even the most remote locations. Ms.

Eric Sandoval

Mr. Sandoval’s qualifications include more than sixteen years of experience in the GIS and spatial analysis industry, where his skills have allowed him to gain extensive experience in all aspects of GIS program development, project management, data analysis, system design, client development, grant writing and project reporting. He also has experience in habitat assessment, environmental monitoring and hydrographic surveying.

Owen Schmidt

Owen L. Schmidt, BA, MA, JD, has more than 32 years of service with the Federal Government. He has served as Senior Counsel with the U.S. Department of Agriculture, Office of the General Counsel in Portland, Oregon, where he advised the Forest Service, Natural Resources Conservation Service, and other USDA agencies in Washington and Oregon. He was also a Special Assistant United States Attorney in the District of Oregon.

Pamela Schultz, PhD

Dr. Pamela Schultz is an environmental chemist and engineer with over 20 years of experience working in government, industry, and consulting. She obtained her undergraduate degree in chemistry from Providence College in 1992 and her master’s degree in Environmental Systems Engineering from Clemson University in 1996. She worked as a senior environmental engineer at Merck & Co., Inc., conducting contaminant fate and transport modeling and human health risk assessments for air permitting and remediation projects.

Mark E. Selman, P.E.

With over 32 years of experience in environmental science and engineering as a project engineer, project manager, senior engineer, and technical director, Mark Selman, Principal-Selman Engineering, LLC, brings a wealth of practical knowledge and experience in environmental problem solving to the classroom.

John Simon

Mr. Simon is an environmental consultant with over 26 years of broad-based experience in assessing, managing, and mitigating issues associated with hazardous substances and petroleum constituents. As a Director of Gnarus Advisors he is responsible for directing environmental projects throughout the United States. Mr. Simon’s areas of expertise include remediation, due diligence, environmental insurance, liability risk transfer, and environmental management. He also routinely provides litigation support and expert testimony. In addition, Mr.

Ruth Sofield

Ruth Sofield is an Associate Professor of Environmental Toxicology and Chemistry in the Huxley College of the Environment at Western Washington University.

Mark Teply

Priscilla Tomlinson

Priscilla Tomlinson is an expert in the fields of risk assessment, risk management, and risk communication. She has over 20 years of experience in the fields of risk assessment, toxicology, and hazardous waste. She has taught classes covering 2001 MTCA revisions and has applied MTCA rules at numerous cleanup sites.

Lloyd Tommila, M.S.

Lloyd Tommila is a graduate of Portland State University, with a Masters in Conflict Resolution. His experience includes mediation, negotiation, conflict resolution training, group facilitation, community dialogue, process improvement, research, public policy and legislative work. Since 2005, he has served as a Senior Mediator for the Dispute Resolution Center (DRC) of Thurston County, mediating hundreds of cases spanning a broad range of needs, including family, workplace, property, organizational, multi-party, and victim-offender mediations.

Alan Wald

Mr. Wald has 30 years of experience as a hydrologist and hydrogeologist with extensive project work on streams, rivers, wetlands, and shorelands. He brings a background in both groundwater and surface water processes, floodplains and high flows, ordinary high water mark delineation, channel morphology, and other elements of applied hydrology. Before joining The Watershed Company, Alan was senior hydrologist with the Department of Ecology, WSDOT, and Department of Fish and Wildlife.

Tyson Waldo

Tyson Waldo is a GIS Instructor at Huxley College of the Environment, Western Washington University. In addition to teaching GIS he works as a fish habitat biologist for the Northwest Indian Fisheries Commission. He has a MS in Geography and a BA in Political Science. Prior to working for WWU and NWIFC, he worked as an inventory forester for private consulting firms in central Oregon.

Christopher Whitehead

Christopher Whitehead comes to NWETC with a broad range of experience gained over 10 years in the environmental health and safety field in service to private, state, federal, military, local, and NGOs throughout the United States. Mr. Whitehead currently works in the field of environmental data quality assurance. He is committed to environmental protection and in ensuring projects are designed and implemented placing quality and justice at their foundation.

Adam Wilbert

Adam Wilbert is a cartographer and database consultant. He has developed Access databases for the National Park Service as well as database and GIS solutions for small businesses and non-profit organizations. In 2007 Adam founded CartoGaia, a freelance cartography firm that merges a passion for data with aesthetic design. CartoGaia produces data management solutions and high-end custom maps for land use agencies, non-profit organizations and recreational groups. He is also the author of "Access 2007: Queries in Depth" available in the Lynda.com online training library.

Keivan Zokaei

Keivan is the winner of 2014 the prestigious Shingo Research and Professional Publication Award.

Michele Zukerberg

Michele Zukerberg has over 18 years of professional experience in natural-resource management. Her areas of expertise include conservation-land management and habitat restoration. Michele received her Master of Forestry degree from Duke University, with a focus on sustainable forestry. She worked as a forester on public lands and as an independent consultant certifying forestlands and mills under the Forest Stewardship Council’s third-party certification system.