Dr. Viney Aneja is a Professor and Co-Director of Graduate Programs in the Department of Marine, Earth, and Atmospheric Sciences, at North Carolina State University (NCSU) where he developed one of the nation’s leading agricultural air quality and climate research programs. His work focuses on natural and anthropogenic emissions of nitric oxide, ammonia, and sulfur compounds, with emphasis on science needed to make important decisions on environmental, sustainability, and climate policies in North Carolina and the nation. He has a long and distinguished record of public service and has been frequently sought as an advisor on issues related to environmental science and public policy.
EXPERTISE: Air Quality, Atmospheric Science, Chemical Engineering

Elise has 30 years of experience supporting community resilience through participatory planning, targeted analysis, and export support to government and non-profit clients in evaluating risks from natural and human-caused emergencies. Elise has specialized experience supporting Indigenous governments and communities with planning and expert work.
EXPERTISE: Geography/GIS, Marine Environmental Planning and Response, Risk Assessment

Olivia Devereux has 15 years of expertise in best management practice (BMP) planning and implementation and development of linked watershed and BMP modeling systems. She has performed water quality assessments and facilitated environmental planning efforts. She is the scientific lead in developing the CAST tool and was the scientific lead in developing the first Chesapeake Bay Program Scenario Builder, the system that distributes nutrients to the land and was used to create inputs to the Watershed Model. She also has worked extensively with the Maryland Department of the Environment and Delaware Natural Resources and Environmental Control to develop BMP tracking and planning data systems.
EXPERTISE: Water Quality

Tim Doty is the President of TCHD Consulting LLC (TCHD) in Driftwood, Texas. TCHD provides technical, environmental, safety, and thermography consulting services to customers in the U.S., Canada, South America, and Europe including but not limited to those associated with municipalities, affected communities, environmental causes, safety, and the Public Interest. Mr. Doty is a current ITC-certified Level III Master Thermographer that provides OGI instruction for the oil and gas industry, regulators, and non-profit organizations, amongst others. His professional expertise continues to be sought after by journalists on OGI and technical matters including but not limited to those associated with the Associated Press, New York Times, PBS Newshour, BBC News, Reuters, Bloomberg News, Inside Climate News, and the Texas Tribune. Mr. Doty retired from the TCEQ in 2018, after 31+ years of state service, including serving as the Agency’s mobile air monitoring manager, OGI and technical expert for 17 years. He performed and managed ambient air monitoring projects and environmental assessments that were conducted both inside and outside of many hundreds of industrial facilities in Texas. He also served as an expert witness on legal matters, criminal investigations, and provided technical assistance on legislative bills and in formulating environmental rule language.
EXPERTISE: Air and General Permitting Assessments, Air Monitoring and Instrumentation, Air Quality, Data Validation, Emerging Technologies, Environmental Strategies, Geography/GIS, Public Information Requests, Quality Assurance/Quality Control, Regulatory Interactions, Standard Operating Procedures, Technical Training; Emergency Response/Safety, Technical Writing, Thermography/Optical Gas Imaging (OGI)

Kevin Draganchuk, P.E., BCEE is an Environmental Engineer with over 18 years of experience in stormwater management design and permitting, wastewater collection and treatment, pollution prevention, water quality protection, site remediation, and litigation support. He is a regular expert witness in Clean Water Act, environmental negligence, and flooding cases for settlement negotiations, deposition, and trial in local, State, and Federal courts. He is President and Principal Engineer of CEA Engineers, P.C., a New York Professional Corporation.
EXPERTISE: Chemical Engineering, Hydrology, Wastewater Engineering, Water Quality, Water Resources Engineering

Dr. Jessica Dutton is an Associate Professor in the Biology Department within the College of Science and Engineering at Texas State University. Her research focuses on the accumulation of trace elements, particularly mercury and selenium, in marine organisms, specifically bony fishes, sharks, odontocetes (toothed whales and dolphins), and waterbirds. The data she collects is used to determine whether mercury tissue concentrations are above the threshold level for adverse biological effects; if selenium has a protective effect against mercury toxicity; and the risk posed to human health from consuming mercury contaminated seafood.
EXPERTISE: Aquatic Ecotoxicology, Public Health, Risk Assessment, Toxicology, Water Quality

Dr. Frankel specializes in modeling and operation of drinking water distribution systems, data analytics and visualization, and policy/legal analysis. His previous experience includes engineering consulting, a municipal water utility, and a data analytics startup dedicated to enhancing water quality. He has served as an expert consultant to the University of Texas at Austin Environmental Law Clinic and other partners to provide engineering expertise on legal disputes related to drinking water quality. Matthew also has experience with engineering for stormwater and wastewater collection systems to reduce combined sewer overflows and flooding issues in urban areas. He specializes in distilling complex engineering concepts into actionable insights for communities and legal teams facing environmental challenges.
EXPERTISE: Data Analytics, Drinking Water, Water Quality

Deborah Gentile is a physician with extensive expertise in the health impacts of air pollution, particularly in environmental justice communities. She has focused her medical career on addressing public health disparities linked to air quality, working with affected populations to assess risks and advocate for cleaner air. Her work integrates clinical knowledge with environmental health research to support communities exposed to industrial emissions.
EXPERTISE: Air Quality, Public Health

Emily Ghosh is a Senior Scientist and the Program Director of the Equitable Transitions program at SEI US. Here, she focuses on assessing the equity and environmental justice dimensions of the sustainability transition, and on developing climate change mitigation plans and policies that are equitable and just. Her research involves using quantitative analysis to build long-term energy and economic models, metrics, and indicators and evaluating strategies to reduce emissions in both developed and developing nations. She studies systems changes and alternative economic paradigms, such as degrowth and green growth, decolonizing climate research and policies, the energy-water-food nexus, climate and energy justice of energy infrastructure in local communities, and gender issues in energy planning. Before joining SEI in 2016, Emily worked at the global engineering consulting firm, WSP, as a process engineer in the water and wastewater sector. Emily has significant experience in managing and designing multi-million-dollar engineering projects for water and wastewater infrastructure, such as the redesign of the sanitary system at New York’s LaGuardia Airport’s Central Terminal. She also has expertise in energy management and resource recovery initiatives at wastewater facilities, including the design of treatment systems to harness the energy potential of biosolids to generate clean energy. Emily has a BASc in chemical and environmental engineering from the University of Toronto and an MSc in environmental technology, specializing in global environmental change and policy, from Imperial College London.
EXPERTISE: Economics, Energy Systems Modeling, Greenhouse Gas Emissions, Wastewater Engineering, Water Resources Engineering

Mr. Glass has over 20 years of experience in environmental consulting and management, including over fifteen years as a West Virginia Department of Environmental Protection Licensed Remediation Specialist. He is skilled in the evaluation and remediation of environmental contamination. Mr. Glass’ experience includes Phase I and Phase II environmental site assessments, petroleum and chlorinated solvent site investigations, design and installation of monitoring well networks, aquifer testing, asbestos and biological remediation and project supervision, preparation of facility Spill Prevention Plans for above ground and underground storage tank facilities, and mold investigation and remediation. Mr. Glass’s experience includes management of remediation projects in the context of the West Virginia Voluntary Remediation Program (VRP) and Pennsylvania Department of Environmental Protection Land Recycling Program.
EXPERTISE: Air Quality, Soil Remediation, Water Quality

Dr. Gray has been performing research in air pollution for more than 35 years, within academic, governmental, and consulting environments. He has made significant contributions in the areas of airborne particles and visibility, including the development and application of computer-based air quality models. His areas of expertise are air pollution control strategy design and evaluation, computer modeling of the atmosphere, characterization of ambient air quality and air pollutant source emissions, health risk assessments, aerosol monitoring and modeling, visibility analysis, receptor modeling, statistical data analysis, mathematical programming, numerical methods, and analysis of environmental public policy.
EXPERTISE: Air Quality, Air Quality Modeling

Mr. Hansen founded Downstream Strategies in 1997 and has 30 years of experience working on resource and environmental problems and solutions related to water and energy science and policy. He manages interdisciplinary research teams, performs quantitative and qualitative analyses, and provides litigation support and expert testimony. Mr. Hansen has written expert reports and provided expert testimony for cases before federal and state courts, a state public service commission, and state appeals boards. He has also provided invited testimony before the U.S. Senate Environment and Public Works Committee and state legislative committees. Topics include NPDES permits, 404 permits, aboveground storage tanks, and other permits and regulations related to coal mines, coal combustion residuals, wastewater treatment plants, stormwater, quarries, and unconventional oil and gas drilling and fracking.
EXPERTISE: Economics, Geography/GIS, Geology, Hydrology, Risk Assessment, Water Quality, Wetlands

Mr. Kray has played a pivotal role in the legal battle to prevent further petrochemical development in St James Parish, Louisiana, the very heart of Cancer Alley. His expertise in land use, permitting, zoning and planning process analysis, coupled with strong data-based geographic information systems (GIS), has proved time and again of critical value to legal efforts by Earthjustice, Center for Constitutional Rights, Center for Biological Diversity and Tulane Environmental Law Clinic. Taking a deep approach to cartographic research has helped expand the range of tools for legal advocates, and led a team of archaeologists to find evidence of unmarked slave burial grounds within the footprint of the massive Formosa complex, which was concealed by the applicant’s own Section 106 review. Within the Louisiana Bucket Brigade, he authored a report “Plan without People” which shines the spotlight on malfeasance in local master planning processes and elevated the case of environmental discrimination to a national conversation. Further, his maps have been included in investigative reporting and affidavits submitted for legal comments to the Army Corps of Engineers and Louisiana DEQ. He has earned the confidence of local grassroots activists and leading national organizations as a cartographer, planner and data expert who is committed to a wide-ranging strategy, and elevating and amplifying the voices of the community who deserve to be heard.
EXPERTISE: Geography/GIS

Dr. Krieger's research focuses on accelerating the transition to clean and renewable energy resources, and developing transition pathways that realize health, environment, equity and resilience co-benefits. Her recent work includes analyzing the integration energy storage and other distributed energy resources onto the grid to reduce greenhouse gas and criteria pollutant emissions and to increase resilience and clean energy access for underserved communities. She has characterized operational, emissions, health, air quality and environmental justice measures for power plants across the country, including as part of ongoing research on replacing peaker power plants with energy storage. Dr. Krieger has authored numerous peer-review and technical reports, developed interactive data visualization tools, and served on various technical and scientific advisory panels.
EXPERTISE: Energy Systems, Public Health

In his 30+ years career, Mr. Lopez-Torrijos has culled from the scientific, technical, and regulatory fields the soundest, most economically efficient methods to monitor changes in surface water resources and implement best practices for their maintenance. He has worked with academic and regulatory leaders to improve flood risk determination and stormwater practices and has advanced the application of remote sensing observation and geospatial technologies to diagnose and resolve issues at industrial sites, residential neighborhoods, and infrastructure choke points. Functioning as either a team member or project management leader, Mr. Torrijos provides project planning, data collection, and information distribution capabilities and ground-truth reports to resolve flooding and stormwater issues at local and regional scales.
EXPERTISE: Geography/GIS, Hydrology, Risk Assessment, Water Resources Engineering

Kathy J. Martin has a BS in Petroleum Engineering and MS in Civil Engineering. She has worked extensively on environmental issues related to confined feeding operations (CAFOs) with respect to water and air pollution, nutrient management plans, and environmental permitting for the past 24 years in 25 states across the country. Her experience began at the Oklahoma Water Resources Board where she was a permit writer for non-hazardous industrial wastewater and project officer of the Tar Creek Superfund Site, as well as the Oklahoma Department of Environmental Quality where she focused on air pollution issues under the Clean Air Act Amendments (Title V and HAPs permitting). Ms. Martin has been involved in state rule-making related to CAFOs in Oklahoma, Kansas, Nebraska, Colorado, and Indiana. She worked extensively on regulations in New Mexico including the Dairy Rule, Groundwater Rule, and Oil and Gas Pit Rules. Her consulting work focuses on assisting individuals and communities evaluate environmental permit applications, develop public comments and prepare for hearings. Her interests include health and environmental impacts from slaughterhouse waste, biosolids, biogas production, and waste-to-energy facilities. She has reviewed and commented on NEPA Environmental Assessments and FONSI determinations.
EXPERTISE: Air Pollution Control Engineering, Air Quality, Bioenergy, CAFOs, Digesters, Rulemaking, Waste Management, Water Quality

Vince has been involved with thousands of wetland and ecological assessment projects over the past 36 years in northeastern Illinois and Wisconsin. Vince also regularly leads regulatory permitting (local, state, and federal) efforts for both public and private sector projects. He has experience dealing with state and federal endangered species issues, and with all aspects of ecological restoration, particularly wetlands and streams. Many of his recent projects relate to green infrastructure planning and design for stormwater quality and quantity management. He has given multiple presentations concerning modern approaches to water quality improvements for point and non-point sources, including discussions about costs related to design, operations and maintenance.
EXPERTISE: Water Quality, Wetlands

John has over 38 years’ experience in Civil and Structural Engineering, specializing in Traffic and Transportation Engineering, Highway, Bridge and Street Design and Construction, Transit Facility Design, Vehicle Accident Reconstruction and Human Factors related to the driving task, Building Damage Assessments, Utilities Construction, Storm Drainage, Pedestrian Safety, Walkway Surface Evaluations, Concrete and Asphalt Pavement Evaluations, parking lots, building Codes and Standards and ADA compliance.
EXPERTISE: Civil Engineering, Traffic Engineering

Dr. Pless is a court-recognized expert with 29 years of experience in air quality and air pollution control; greenhouse gas emissions and control; cost effectiveness analyses; biological resources; public health and safety; environmental hazards; hazardous materials; risk assessments; nuisance (odors, noise); water quality and water pollution control; and industrial ecology. She provides assistance with technical review and litigation support under state and federal environmental laws including California Environmental Quality Act (CEQA), National Environmental Policy Act (NEPA), and Clean Air Act (CAA) for environmental organizations, public and private interest groups, agencies, and industry.
EXPERTISE: Air Quality

Kirsten Rosselot is an environmental performance consultant. She can assess whether claims about the health/environmental performance of a manufacturing facility align with what is known about the processes, chemicals, and pollution control equipment at the facility. Kirsten taught an upper division/graduate student elective on pollution prevention in the chemical engineering department at California State University, Long Beach for two years and has co-authored many handbooks, textbooks, and other teaching and outreach materials. She served on many technical peer review panels for EPA grants and graduate research scholarships. She contributes to the scientific literature as an author and as a peer reviewer, and participates at scientific conferences as a session co-chair and presenter. Kirsten graduated from University of California, Los Angeles with a B.S. in Chemical Engineering in 1990 (cum laude). She is a licensed professional chemical engineer in California (#CH 5041). Her papers, publications, presentations, and workshops are listed on her website at https://www.processprofiles.com/home.
EXPERTISE: Air Quality, Air Quality Modeling, Chemical Engineering, Climate Science, Greenhouse Gas Emissions, Mass and Material Balances, Mass Transfer, Risk Assessment, Toxicology, Water Quality

Dr. Rule has more than 15 years’ experience studying novel sampling and analysis strategies for the assessment of exposure to biological aerosols, e-cigarette aerosols, environmental metals, and particulate matter. Related field work has provided tools for understanding the impact of agribusiness in the environment and health of the population, especially how the public is exposed to biological aerosols, which can be vectors of antibiotic resistance. Her work with electronic cigarettes has established that these devices are important sources of metal exposure. Her laboratory work has provided insights into bacterial aerosol viability and the application of analysis techniques traditionally used for water samples. A second objective of her work is the development of new instrumentation and strategies for the collection of bulk particulate matter that can be used in analytical and toxicological studies.
EXPERTISE: Air Quality, Occupational Health, Public Health

Dr. Sahu has more than thirty years of experience in the fields of environmental, mechanical, and chemical engineering including: program and project management services; design and specification of pollution control equipment for a wide range of emissions sources including stationary and mobile sources; soils and groundwater remediation including landfills as remedy; combustion engineering evaluations; energy studies; multimedia environmental regulatory compliance; transportation air quality impact analysis; multimedia compliance audits; multimedia permitting; multimedia/multi-pathway human health risk assessments for toxics; air dispersion modeling; and regulatory strategy development and support including negotiation of consent agreements and orders.
EXPERTISE: Air Pollution Control Engineering, Air Quality, Air Quality Modeling, Chemical Engineering, Economics, Hydrogeology, Risk Assessment, Water Quality

Mr. Shefftz has consulted since 1992 on the application of financial economics to litigation disputes, regulatory enforcement, and public policy decisions. He has been qualified as an expert witness in U.S. District Court, U.S. EPA Administrative Court, and state courts. Mr. Shefftz has testified numerous times on financial factors in civil penalty setting, including economic benefit (i.e., financial gain) and economic impact (i.e., ability to pay). He has experience consulting on regulatory enforcement actions brought under the Asbestos Hazard Emergency Response Act (AHERA), Clean Air Act (CAA), Clean Water Act (CWA), Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Emergency Planning and Community Right-to-Know Act (EPCRA), Federal Insecticide, Fungicide and Rodenticide Act (FIFRA), Oil Pollution Act (OPA), Resource Conservation and Recovery Act (RCRA), Safe Drinking Water Act (SDWA), Spill Prevention, Control and Countermeasure (SPCC) rule, Toxic Substances Control Act (TSCA), Underground Storage Tank (UST) program, as well as various state statutes. His clients for this work have included the U.S. Environmental Protection Agency (EPA), U.S. Department of Justice (DOJ), private litigators (including over 60 non-profit groups), state Attorneys General (fourteen in total), and defense counsel.
EXPERTISE: Economics

Vicki Stamper has thirty years of experience working on air quality issues. She spent ten years working on state implementation plan actions at EPA’s Denver regional office with a focus on state’s new source review and Title V air permitting programs, as well as some nonattainment plans. She has worked as a consultant for the past seventeen years, providing expertise on air permit review and comment, permit appeals, facility compliance reviews and litigation support, and air pollution control evaluations for air pollution sources under the regional haze program. Her industry focus has been primarily on coal-fired power plants, natural gas-fired power plants, and, more recently, air emissions sources associated with the oil and gas industry. She has broad knowledge of the Clean Air Act and federal regulations for air permitting.
EXPERTISE: Air Quality, Air Quality Modeling

Mr. Sulkin is an environmental consultant with more than 40 years of experience, primarily focusing on water quality. He has a Bachelor’s in Environmental Science from the University of Virginia, and Master’s in Environmental Engineering from Vanderbilt University. For about 14 years he worked for the Tennessee regulatory agency in wastewater and drinking water programs in field offices and headquarters. Responsibilities included inspections, enforcement coordination, and field research, in positions including assistant manager of a field office, special projects assistant to the director, and statewide chief of Enforcement and Compliance. Since leaving the agency he has been an independent consultant and expert witness in numerous states, primarily working on water-related issues for environmental groups, as well as individuals, government, business, and industry. Projects have involved citizen suits, NPDES permits, 404 permits and mitigation, landfills, coal ash, stormwater, TMDLs, PFAS, field studies, training, consultant on films, and testing of water, sediment and other media. He also works as field staff and technical consultant for PEER (Public Employees for Environmental Responsibility), and has worked as a special expert for EPA.
EXPERTISE: Hydrology, Water Quality, Wetlands

Denise Trabbic-Pointer is a Chemical Engineer with a BS and MS in Hazardous Materials Management, a career Environmental Health and Safety professional, and a Certified Hazardous Material Manager Emeritus. Denise retired in January 2019 after 42 years with DuPont and a spin-off company, Axalta Coating Systems, as their Global Environmental Competency Leader. Since May 2019, she has been the Sierra Club – Michigan Chapter, Toxics & Remediation Specialist, and works nationally as a technical resource for communities impacted by releases of toxics to air, water and/or soil.
EXPERTISE: Air Quality, Chemical Engineering, Hazardous waste, Occupational Health, Public Health, Risk Assessment, Solid waste, Water Quality