Allison Geiselbrecht is a doctored microbiologist with over 11 years experience coordinating projects involving interdisciplinary teams of scientists, engineers, and natural resource experts from study design and field work to agency reporting.

Allison assists industrial and municipal clients including ports, harbors, and waterway-based industries with technical evaluations, regulatory strategy analysis and development, and negotiations with governmental agencies. She has experience with investigations completed under CERCLA, RCRA, and Washington State regulations including the Model Toxics Control Act, the Puget Sound Dredged Material Management Program and Washington State Sediment Management Standards.

Allison’s expertise is in the characterization of sediment and water chemistry and biodegradation of pollutants such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and pesticides. She has applied her chemistry and geochemistry knowledge to source control evaluations for operational facilities, evaluating waste streams most likely to cause environmental recontamination. She often assists clients with permitting and stormwater evaluations under NPDES stormwater regulations.

Amanda McKay joined the Floyd|Snider team in March 2009.  She is an environmental toxicologist who provides technical support, research, and analytical skills to a broad range of environmental projects.

Amanda’s previous experience includes uplands Phase I and II contaminated site assessments including soil, groundwater, and vapor field investigations.  She has provided technical and critical analytical support involving technical writing, data quality control review and interpretation, and auditing for large-scale remediation projects.   Additionally, Amanda has conducted and managed numerous human health risk assessments.

Most recently, Amanda decided that she wanted to dedicate some time to helping others, so she volunteered with a non-profit organization in Honduras, Central America for one year.  During this year, she worked in rural communities installing water filters, educating adults and children on health and hygiene, and distributing basic medication to ensure healthy lives.

Amanda holds a graduate degree (MS) in Environmental Toxicology from Cornell University, and an undergraduate degree (BS) in Biochemistry and Molecular Biology from the University of California at Davis.

Brett Beaulieu is a licensed geologist with seven years of experience investigating uplands and marine sites and implementing cleanups.  His experience includes developing laboratory and field studies to support remedy design, managing implementation of pre-design studies, developing work plans and cost estimates, assessing client data needs and gathering data through a variety of methods, providing hydrogeologic and geochemical analysis, preparing remedial investigations, feasibility studies, expert reports, and other technical documents, and overseeing remedy construction.

Brett is an accomplished researcher in arsenic geochemistry and is knowledgeable about remedial technologies for arsenic and heavy metals.  He is a skilled technical writer who has published articles on federal environmental policy in addition to his geochemical research.  Brett is also experienced at providing client-tailored technical and historical research in support of strategic decision-making and litigation. Brett holds a masters degree in environmental geology from Vanderbilt University.

As Floyd|Snider’s database manager, Chell Black manages all the scientific data for the firm, transforming data sets received from laboratories into database-compatible components that can then be loaded into the firm’s proprietary database structure. From this database, she extracts the data into reports for use by project teams, ensuring data quality in the process. When necessary, Chell tunes the firm’s database systems for performance, capacity, and integrity.

Prior to Floyd|Snider, Chell spent 10 years as a 9-1-1 Dispatcher, experience which has served to hone her abilities to prioritize, multi-task, communicate efficiently, and meet deadlines. Her prior experience also includes maintaining a geographical database for a municipal Communications Center and training others in the use of Computer Aided Dispatch software. Chell holds an undergraduate degree in Physics/Computer Science, with a minor in Chemistry.

Cheryl Markestad is an accounting assistant who manages Floyd|Snider’s billing process from setup to monthly invoice compilation to project completion. She provides assistance to clients regarding billing questions and customizes invoices to meet client and project needs. She coordinates Accounts Payable and assists Floyd|Snider staff with general accounting and administrative duties.

Chris Gardner is a licensed geologist with 8 years experience in geology and 10 years experience working with Geographic Information Systems (GIS).  Chris’ primary role at Floyd|Snider is that of lead GIS Specialist, creating visually-engaging graphics that facilitate comprehension of complex data trends.  Using ArcGIS and associated extensions, Chris creates customized maps to support the geospatial data needs of both in-water and uplands projects at Floyd|Snider.

As a Geologist, Chris has developed and completed numerous soil and groundwater investigations in challenging environments for municipal, private, and federal clients in locations in Washington, Texas, New Jersey, Montana, Idaho, and Alaska.  Chris is accustomed to operating within USACE, USEPA, and other protocols that govern field-based sample collection and documentation. Chris has extensive oversight experience documenting construction-based activities including sub-grade excavation and backfilling, pile installation, and shoring wall anchor installation and testing.  Chris holds an undergraduate degree (BS) in Geological Sciences from the University of Washington.

Christy Schmidt Wyborny is the lead project assistant for all complex environmental cleanup and redevelopment projects for Floyd|Snider. She provides comprehensive administrative support for staff and project managers with a range of services ranging from technical research, writing, and review, to budget and schedule tracking for intricate projects with multiple milestones. She manages detailed deliverable logistics and maintains quality control for all company products. She also coordinates and assigns projects among the project assistants.

Christy provides practical and strategic communications between clients and project teams so that projects are completed efficiently, on time, and within budget. In addition, she provides information systems management for the firm. Christy has been with Floyd|Snider since 1997.

Emily Santee is a chemical engineer who joined F|S full time in 2010. She has a strong analytical research background, which was developed during her experience as a nationally-ranked collegiate debater. She is skilled in literature reviews and technical writing, in addition to design of controlled experiments, data analysis, and working as part of an interdisciplinary team. Emily has interned with F|S for several summers, and has worked on EOS data management projects in addition to performing research assistance on litigation related projects. She looks forward to taking on a more active role in F|S projects, particularly those which involve applying her chemical engineering background and research skills to complex environmental issues. Emily holds an undergraduate degree in Chemical Engineering from the University of Washington.

Erin Breckel is an environmental chemist who contributes her technical, research, communication, and critical analysis skills to tackle a broad range of complex environmental projects.

Her work involves conducting environmental site assessments and investigations, data interpretation, remedial action analysis, QA/QC review of laboratory data, and regulatory compliance evaluations. Erin’s experience has included environmental and regulatory compliance investigations in both upland and marine settings. She also has expertise in developing and implementing sampling and analysis plans and monitoring plans for sediment quality investigations. Erin holds a graduate degree (MS) in Chemical Oceanography from the University of Washington and an undergraduate degree in Chemistry from Whitman College.

Erin Murray is an environmental scientist with experience providing technical support in environmental investigation, remediation and regulatory compliance for environmental cleanup and redevelopment projects. Erin has performed numerous field investigations including groundwater and soil investigations and has experience in well installation, development, and groundwater sampling.  Her skills include field data collection, data analysis, research, and report preparation.

Erin also supports Floyd|Snider’s GIS department, expanding the firm’s capabilities to provide visually engaging graphics that allow for an intuitive comprehension of complex data trends.  Erin has been with Floyd|Snider since 2003 and holds an undergraduate degree in Environmental Geography and Natural Resource Management.

Jessi Massingale is a professional civil/environmental engineer and oceanographer with experience providing investigation, research, and regulatory compliance expertise for marine/freshwater and upland remediation and redevelopment projects. Jessi has applied her expertise to projects that include sediment remedial design evaluation and cap modeling, environmental and civil engineering design, water quality monitoring, remedial investigations and feasibilities studies, and the assembly of conceptual and design-level cost estimates. Jessi has a strong knowledge of coastal processes and their relationship to nearshore chemical and biological conditions. Jessi is experienced also with environmental chemistry and related microbial processes, water quality, and chemical analyses, using a wide array of laboratory analytical tools and methods.

Jessi is experienced in uplands and sediment field data collection, data analysis and interpretation, and Geographic Information Systems (GIS) mapping and figure preparation. Jessi has applied this experience to a number of sediment and upland-based habitat restoration, environmental contamination, source control, and research projects. Jessi has planned and implemented sediment investigations in fresh water and marine locations in Washington and Oregon; reported the results, and assisted clients in negotiating the outcomes with Ecology, Oregon Department of Environmental Quality, US EPA, and various Trustee groups. Jessi holds a graduate degree (MS) in Civil and Environmental Engineering and undergraduate degrees in Oceanography and Zoology from the University of Washington.

Kate Snider is a professional civil engineer and registered landscape architect with over 26 years experience in site engineering and site cleanup. Kate’s strengths and reputation are in management of complex project teams, agency negotiations, multi-party facilitation and strategy development for cost-effective remedial design coupled with design for future redevelopment. Kate is a certified mediator and has significant skills in facilitating diverse or multi-jurisdictional teams to reach solutions optimizing group objectives.

Kate has been one of the leaders in developing and implementing area-wide solutions to contaminated site management, both in upland and aquatic environments. She has played an important role in many of the precedent-setting Brownfield projects in the Pacific Northwest.

Several of Kate’s recent projects have involved the facilitation and management of complex environmental issues for multi-party groups. Such projects have included facilitating the multi-party Sediment Phthalate Work Group as well as supporting the Dredged Management Material Program agencies to elicit stakeholder input and determine an updated framework for open-water disposal of dredged material containing dioxins.

During the last several years Kate has also managed multi-disciplinary teams to conduct investigation and remediation of contaminated sediment sites under CERCLA and MTCA. Kate managed design and construction for Todd Pacific Shipyards to remediate marine sediments, soil, and groundwater at the Todd portion of the Harbor Island Superfund Site, and to construct nearshore aquatic habitat. For the City of Seattle, she also manages the Remedial Investigation and Feasibility Study for the cleanup of the Gas Works Sediment Area in North Lake Union.

Kate holds an undergraduate degree in Civil Engineering and a graduate degree in Landscape Architecture (MLA) from Cornell University.

Lisa Meoli is an environmental scientist with 11 years experience providing technical support in environmental investigation, remediation and regulatory compliance under CERCLA, RCRA, and MTCA. Lisa has extensive experience characterizing and delineating PCBs, petroleum hydrocarbons, and organochlorine contamination in residential communities, creek systems and large manufacturing facilities in the Pacific Northwest, Alaska, California, Illinois, Indiana, and Pennsylvania. She has performed numerous soil and groundwater investigations and has extensive experience in monitoring well installation, well development, field sample collection, and data analysis.

Lisa also has a background in natural resource and cultural resource management. She has completed extensive archaeological survey and excavation projects for public and private companies in collaboration with Native American Tribes in the Pacific Northwest, Alaska, Idaho and California. Her natural resource project experience includes the assessment of habitat data components including substrate composition, instream flow, stream water quality, fish habitat availability, and dominant and secondary vegetation types for hydroelectric licensing and stream development projects. Lisa holds an undergraduate degree in Archeology from Indiana University.

Matt Woltman is a professional engineer and licensed engineering geologist who provides focused expertise for marine/waterfront remediation and redevelopment projects. His 10 years of technical experience have been applied to a broad range of projects including sediment remediation design and construction planning, preparation of feasibility studies, environmental and geotechnical site characterization, and engineering support for long-term environmental monitoring programs.

Matt is particularly experienced with projects that include development and comparison of remedial alternatives based on cleanup standards including selection of a preferred remediation approach, assembly of conceptual and design-level cost estimates, assessment of future risks, environmental and geotechnical engineering design, and construction management. His geotechnical engineering and environmental geology background have enabled him to provide technical expertise to projects involving marine and upland remediation, slope stability evaluation, historic mine reclamation, geologic hazard identification and characterization, and geotechnical foundation design. Matt holds a graduate degree (MS) in Geotechnical Engineering and an undergraduate degree in Environmental Geology from the University of Illinois.

Megan McCullough is a civil/environmental engineer experienced in uplands hazardous waste remediation. Her 7 years of technical experience have been applied to various types of environmental cleanup projects and she has performed consulting services for a variety of clients, including private sector companies, and local and federal agencies. Megan has extensive experience in projects that include petroleum contamination, the development of Remedial Investigation/Feasibility Studies, Phase I Site Investigations, and conceptual and design-level cost estimates. Her skills include field data collection, data analysis, vapor intrusion modeling, risk assessments, and report preparation.

Megan has worked extensively with the Model Toxics Control Act and its application to contaminants in soil and groundwater. She also manages the day-to-day scheduling and planning of technical staff certification and safety training for the firm. Megan holds an undergraduate degree in Civil Engineering from the University of Portland.

Stephen Bentsen is a civil/environmental professional engineer with 7 years experience providing expertise for a range of projects at Floyd|Snider. Stephen specializes in marine/waterfront sediment and uplands hazardous waste remediation, environmental site characterization, and construction management. He is experienced in the design of LNAPL recovery systems, remediation plans, stormwater quality and quantity treatment systems, preparation of remedial investigations, feasibility studies, sampling and analysis plans, and detailed hydraulic reports.

Stephen has applied his technical experience to a wide range of the remediation and engineering aspects of projects, including both uplands and sediment/waterfront remediation design, construction management on dredging and restoration projects, operation and maintenance of bioremediation treatment cells, gathering topographical and geographical statistics, and historical stormwater conveyance system research. Stephen has provided expertise and project management to complex projects involving multiple regulatory agencies and organizations. His familiarity with regulatory guidelines, regulations, and attention to detail enable him to identify problem areas and assist with finding solutions for environmental challenges.

Stephen has additional experience with analysis of stormwater runoff using modeling programs including StormShed, MGSFlood, and CAiCE Visual Drainage, and contaminant modeling in soil and groundwater using programs including BIOSCREEN, SESoil, and AT123D. Stephen holds an undergraduate degree in Civil/Environmental Engineering from Seattle University and an undergraduate degree in Legal Studies from State University of New York (SUNY) at Buffalo.

Talia Mathews joined Floyd|Snider in 2008 to help the company develop an integrated library system for the effective cataloging and retrieval of the firm’s essential documents, reports, and maps. She currently provides technical support and maintenance for the system, as well as providing research support and document delivery services.

Talia is a librarian with a particular focus on special libraries and information centers, and is active in the Environment and Resource Management Division of SLA. Prior to working for Floyd|Snider, she in turn worked as a field biologist, owned and operated an organic vegetable farm, and gained valuable experience at the WSU Energy Program Library. Talia holds an undergraduate degree (BS) in Environmental Studies from The Evergreen State College and a graduate degree (MLS) in Library Science from Clarion University of Pennsylvania.

Dr. Teri Floyd is a professional chemist with over 20 years experience in environmental systems analysis.

Teri specializes in complex project management for sites and projects with interwoven regulatory, business, and technical challenges, often crafting creative "out-of-the-box" solutions predicated on sound science and an understanding of business and regulatory processes. Because Teri believes that creative ideas are only as good as their implementation and outcome, she works with her clients from early planning through implementation and closure. Teri uses these skills at upland and sediment sites throughout the country, primarily here in the Northwest.

Teri is particularly skilled in the management of complex environmental issues for multi-party groups. She has an exceptional ability to work with multiple parties to define project approach strategies that are robust in their attention to multiple objectives, technical detail, and scientific grounding. She is an excellent negotiator and manager, especially for those projects that must be completed against a backdrop of changing regulatory climates, client needs, or site conditions.

Over the years, Teri has worked on almost 20 landfill cleanups and/or closures.  She has managed all phases of the process from early investigations, through remedial investigations and feasibility studies, landfill closure plans, closure design and permitting, construction management, and post-closure monitoring.  She is currently leading the team that is performing closure and groundwater remediation of B&L Landfill in Washington State—a wood waste landfill containing Asarco slag that is leaching arsenic at high concentrations into nearby wetlands.

In addition to landfill projects, other RCRA work includes technical and strategic integrations of the uplands and in-water portions of the RCRA cleanup of Boeing’s Plant 2 on the Duwamish Waterway, and a number of hazardous waste designation issues involving the more esoteric aspects of waste designation, including ignitability, reactivity, and derived-from wastes.

Teri also works in the aquatic environment, especially in urban ports.  She is one of the leading experts on the behavior of wood in the marine and freshwater environments, where she has performed numerous investigations, led the cleanup for the Wood Debris Group in Commencement Bay, established testing protocols in Washington and Alaska, and testified in court. Because wood is often a deleterious substance rather than a hazardous or toxic substance, Teri has also developed a solid working understanding of how various regulations, including the Clean Water Act, and various state laws deriving from the Clean Water Act can be used to manage cleanup decisions. 

Tiffany Volosin is a resourceful financial manager with 15 years experience in accounting and financial management systems, and in overall company operations. Tiffany is a key member of the executive management team at Floyd|Snider.  As CFO, she works with the Principals and Associate Principals to guide the firm's growth and business strategies, risk management, hiring, benefits and operations. 

Before joining Floyd|Snider in 2004, Tiffany spent several years specializing in start-up companies and assisting them with the complex challenges of building financial systems, improving operational efficiency, and managing cash.  By beginning her career in such volatile companies, Tiffany gained very valuable experience in all aspects of running a successful business, and enjoys contributing to the operations at Floyd|Snider.  She holds an undergraduate degree (BS) in Accounting and Business Management from the University of Puget Sound.

Tina Gary is a licensed geologist in Washington State with over 16 years experience in the environmental field. Her experience includes serving both as an environmental paralegal working on the legal aspects of complex environmental litigations and regulatory actions, and for several years as a geologist, working on the technical aspects of remediation projects and natural resources projects. She provides both litigation and technical support for projects involving environmental contamination/remediation, oil spill response and cleanup, environmental compliance, regulatory analysis, and due diligence assessments.

 Tina’s experience has been applied to uplands and surface water cleanup level determination and evaluations, risk assessments, solvent fate and transport modeling, and report preparation. Her natural resources project experience includes geologic stability assessments, hydrologic studies, and fish habitat assessments for multifaceted hydroelectric licensing and watershed planning projects. Tina’s varied and specific experience within the scientific and regulatory fields provides a unique and comprehensive skill set for projects involving complex technical issues and sensitive litigation concerns. She holds an undergraduate degree in Geological Sciences from the University of Washington.

Tom Colligan is a licensed hydrogeologist and geologist with more than 20 years experience managing and conducting hazardous waste site investigations and cleanups for commercial and industrial clients. He is adept at implementing and managing all aspects of site investigations and feasibility studies, with particular expertise in conducting field invesitgationsand evaluating the resulting site characterization data to identify practical and cost-effective remediation alternatives in accordance with Washington State MTCA and federal CERCLA regulations.

Tom’s technical expertise has been applied to sites contaminated with chlorinated solvents, creosote and coal tar, heavy metals, PAHs, pesticides, and PCBs at defense installations, industrial facilities, and waterways and ports throughout the Northwest. He is particularly experienced in remediation of contaminated groundwater and soil using a variety of methods including enhanced reductive dechlorination, in-situ chemical oxidation and reduction, soil vapor extraction, air sparging, dual phase recovery, barrier walls, thermal remediation, pump and treat, bioventing, land farming, excavation, capping, and natural attenuation. Tom has also worked on numerous projects involving stormwater source control and stormwater contaminant remediation. His understanding of industrial processes and his practical, cost-effective approach to project management enable him to provide exceptional environmental expertise and regulatory support to achieve client objectives. Tom holds a graduate degree in Geological Sciences from the University of Washington and an undergraduate degree in Earth and Space Science from Stony Brook University and is a licensed hydrogeologist in the State of Washington.

Tucker Stevens is an environmental and chemical engineer who joined F|S in 2010. His expertise includes environmental and chemical engineering, microbial processes, environmental organic chemistry, and chemical fate and transport. Tucker brings to F|S extensive field and laboratory experience including collection and analysis of surface water, quantification of bio- and petro-diesel exhaust toxics, and quantification of the reaction of polycyclic aromatic hydrocarbons with ozone. He is skilled in literature reviews, design of controlled experiments, operation of analytical instrumentation including GC/MS, and technical writing. Tucker’s engineering and analytical skills have enabled him to contribute to a variety of projects at F|S including permitting, environmental compliance planning, and site investigations. Tucker especially enjoys applying his engineering skills to complex and difficult environmental chemistry problems. Tucker holds an undergraduate degree in Chemical Engineering from Montana State University and graduate degree (MS) in Environmental Engineering from The University of Vermont.