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Our Environmental Engineers & Scientists

Science & Engineering Staff

You will need registered professionals to comply with local, State, and federal regulations. The McGinley & Associates staff experts include:

  • Professional Engineers (P.E.)
  • Professional Geologists (P.G.)
  • Certified Environmental Managers (C.E.M.)
  • Certified Hydrogeologists (C.H.G.)
  • Biologists (Wildlife and Botany)
  • Geochemists
  • Hydrogeologists
  • Air Quality Engineers and Specialists
  • Indoor Air Quality Specialists
  • Environmental Field Technicians

We offer licensed professionals for Arizona, California, Idaho, Nevada, Oregon and Utah.

With current NCEES Records on file, McGinley & Associates is able to quickly obtain comity/reciprocity licensure in any state.

Our Management & Technical Team Offers
Experience, Performance & Results

Joe McGinley

President & CEO, P.E., P.G., C.E.M.

Mr. McGinley is a Professional Engineer (NV), Professional Geologist (CA) and Certified Environmental Manager (NV) with more than 30 years of service to long standing and new clients alike. He has developed experience through a wide range of project types, environmental conditions, and multiple regulatory agency liaisons. Mr. McGinley has a strong background in site characterization, corrective action plan development and in the design and implementation of remedial systems. He is acutely familiar with federal, state and local environmental regulations and has developed a familiar relationship with the administrators of those agencies throughout the West.

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Tony Dimpel

Vice President
Senior Project Manager, P.E., C.E.M.

Mr. Dimpel is a Professional Engineer and Certified Environmental Manager with eight years of professional environmental consulting experience. His primary areas of expertise include project management, regulatory engagement and negotiations, mine site permitting, air quality permitting and dispersion modeling, water discharge permitting, and site assessment and remediation. Mr. Dimpel has experience in managing small to large-scale projects in the mining, energy, industrial, and manufacturing sectors. He possesses a strong working knowledge of virtually all aspects of environmental permitting and compliance and maintains effective relationships with regulatory authorities.

In his role as Vice President of McGinley and Associates he also oversees business operations, business development, client relations, and sustainable growth. He also has a background in engineering research and currently serves as a part-time instructor at the University of Nevada, Reno in the civil and environmental engineering department.

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John Snow

Principal – Minerals & Energy

Mr. Snow has 31 years of geothermal and oil and gas exploration, production, and regulatory experience in five western states and Canada. His considerable regulatory experience includes leasing on federal and state lands, correlative rights, spacing orders, hearings, and unitization and pooling agreements. In 2007 Mr. Snow was appointed by the Governor of Nevada to serve as the State’s Geothermal Energy Commissioner for the Commission on Minerals. He currently serves on the Executive Board of the Mackay School of Science, Board Member of the Nevada Bureau of Mining and Geology (NBMG) and the Great Basin Center for Geothermal Development at UNR, and is an active officer and member of a number of professional societies.

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Dwight Smith

Principal Hydrogeologist, P.E., P.G

Mr. Smith has 30 years of experience as a consulting hydrogeologist, specializing in groundwater and surface water resource evaluations in the Western U.S., primarily in Nevada and California.

His professional experience includes: water resources development feasibility, water resources management, regional and watershed scale hydrogeologic assessments, groundwater recharge and sustainability evaluations, well design and aquifer pumping assessments, water rights surveying and research, design of dewatering systems, geochemical evaluations to assess sources of water, computer-aided groundwater and surface water flow modeling, stream flow gauging, stream and groundwater interaction studies, spring evaluations, water quality management plans, and environmental impact evaluations.

Mr. Smith has consulted to a wide range of clients, including municipalities; city, county, state, and federal agencies; regional water authorities; Indian tribes; private industries including power, mining, and manufacturing; resort and recreational developments; commercial and residential establishments; private land trusts; and to other civil, geotechnical, and environmental engineering firms. 

Mr. Smith is a recognized expert in hydrogeology in Nevada having testified in over a dozen water right hearings before the Nevada State Engineer, and has testified in civil proceedings in California  and Nevada.

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Caitlin Jelle

Project Engineer, P.E.

Ms. Jelle is a Professional Environmental Engineer with five years of environmental consulting experience. Her areas of expertise include Phase II environmental site assessments (ESAs), remediation of hazardous and regulated wastes in soil, Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) site documentation and remediation, and characterization and management of non-hazardous and regulated wastes. Ms. Jelle’s responsibilities have included comprehensive work plan and report preparation, regulatory liaison, regulatory reporting, permit preparation, and project management as well as field activities including environmental media sampling, drilling oversight, excavation oversight, health and safety management, and site superintendent.

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Brett Bottenberg

Operations Manager, Las Vegas, P.E., C.E.M.

Mr. Bottenberg is a State of Nevada Professional Engineer and Certified Environmental Manager with 22 years of experience in environmental engineering and science. His areas of expertise include due diligence, NEPA, environmental permitting and compliance, brownfields redevelopment, remediation, and fate and transport of chemicals in the environment. Mr. Bottenberg’s responsibilities have included regulatory liaison, regulatory reporting, work plan development, sampling and analysis plan development, environmental site assessments, remediation design and implementation, cost estimation and proposals, and project management and oversight. Mr. Bottenberg’s diverse background provides project management experience in both the regulatory and construction industries.

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Joe Beetler

Senior Associate

Mr. Beetler has 30 years of experience in precious metals mining for Newmont Mining Corporation, most recently as a senior regional environmental specialist in air permitting and compliance, mercury emissions, collection and disposal, along with Toxic Release Inventory (TRI) reporting and review. Mr. Beetler is widely regarded as a recognized expert in mercury and air issues for precious metals mining in Nevada and served for several years as the chair of the Nevada Mining Association’s Air Working Group.

Mr. Beetler led the regional efforts by Newmont to meet the challenges of Climate Change. His professional experience includes: successful Title V permitting of the Gold Quarry Refractory Ore Treatment Plant and development of the air compliance tracking system, implementation of the NvMACT for mercury emissions under the NMCP, oversight of air testing programs for multiple criteria pollutants and mercury, participation and response to numerous environmental regulatory agency inspections including multi-disciplinary Nevada Division of Environmental Protection (NDEP) teams that accompanied the federal Environmental Protection Agency (EPA), engagement on behalf of mining with EPA in the development of the Federal Mercury MACT for Gold Mines, extensive engagement with the Air Bureaus at NDEP, participating representative in the National Mining Association and International Council on Metals & Mining (ICMM), mercury management, and TRI reporting.

Résumé Coming Soon

Erin Drake

NEPA Program Manager, M.A., R.P.A

Ms. Drake serves as the National Environmental Policy Act (NEPA) Program Manager and Senior Archaeologist for McGinley & Associates. With over 15 years of professional experience, Ms. Drake provides environmental planning, consultation, and project management services for clients requiring compliance with the Clean Water Act (CWA), the Endangered Species Act (ESA), NEPA, Sections 106 and 110 of the National Historic Preservation Act (NHPA), and state and tribal regulations.

Ms. Drake’s primary areas of expertise include creating NEPA documents for environmental projects anchored by a federal nexus. She is responsible for writing Notices of Intent (NOI), Categorical Exclusions (CatEx), Environmental Assessments (EA), Environmental Impact Assessments (EIA), Programmatic Agreements (PA), Memoranda of Understandings (MOU)/Agreements (MOA), Historic Property Management Plans (HPMP), and Phase I Environmental Site Assessments (Phase I ESAs). Ms. Drake’s expertise also includes Section 106 compliance such as archaeological and historic preservation consulting services, state and federal agency consultation, tribal consultation, National Register of Historic Places (NRHP) evaluations, artifact analysis, artifact curation, and technical report writing.

Ms. Drake has experience in managing small to large-scale projects for clients in various business sectors including: energy (oil/gas and renewables), commercial and residential development, telecommunications, utilities, government, mining, and transportation sectors. She possesses a strong working knowledge of environmental planning, permitting, and compliance, and maintains active relationships with regulatory authorities. Ms. Drake has a background in anthropology, archaeology, and petrographic analysis.

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Ally Freitas

Air Quality Engineer, E.I.

Ms. Freitas is an environmental engineer with four years of academic and professional experience in engineering. Ms. Freitas’ areas of expertise include air quality permitting and compliance, air dispersion modeling, water quality, and fate and transport of chemicals in the environment. Ms. Freitas’ responsibilities have included air permitting and compliance work, air dispersion modeling, technical report writing, analytical data review, and conducting Phase I Environmental Site Assessments (ESA).

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Aaron Hoberg

Air Quality Engineer, E.I., P.W.S.

Mr. Hoberg is an Air Quality Engineer and Certified D-1 Operator in Training for Public Water Systems with twelve years of professional air quality environmental consulting experience. His primary areas of expertise include air quality permitting and dispersion modeling, facility wide air quality audits, air resource development for National Environmental Policy Act (NEPA), and water quality sampling. Mr. Hoberg has experience in managing projects in the mining, energy, industrial, and manufacturing sectors. He possesses a strong knowledge base for air quality permitting and compliance in Nevada and the surrounding states, and maintains effective relationships with regulatory authorities.

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Benjamin Peterson

Project Manager, GIS Specialist, P.G., C.E.M.

Mr. Peterson is a Professional Geologist and Geographic Information Systems (GIS) Specialist with approximately 11 years of professional experience that includes: project management; environmental due diligence assessments for commercial real estate transactions (Phase I and II environmental site assessments); GIS analysis; water resource and groundwater investigations; water well permitting, design and construction; water quality sampling; geologic hazard assessments; and technical report writing. Mr. Peterson’s versatile experience is the result of his eagerness to accept new challenges, combined with his background and education in geoscience, environmental science, and mapping.

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Justin Fike

Project Hydrogeologist, P.G., C.E.M.

Mr. Fike is a Hydrogeologist with over ten years of professional consulting experience. He has a background in civil engineering design, hydrogeology, and construction management, with an emphasis in hydraulic analysis. His wide-ranging responsibilities have included project management, water resources permitting, aquifer testing, comprehensive work plan development, precision mapping and surveying, grading and infrastructure design, drilling oversight, environmental site assessment (ESA), hydrologic and hydraulic modeling, conceptual site model (CSM) development, remedial design and site closure, health and safety (HES) oversight, and comprehensive data trend analysis.

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Dan Pasteris

Environmental Scientist and Geochemist, Ph.D.

Dr. Pasteris is an Environmental Scientist and Geochemist with ten years of experience in applied geology, hydrology, and geochemistry. In the environmental field, Dr. Pasteris has conducted Phase I and Phase II environmental site assessments, National Environmental Policy Act (NEPA) studies, Resource Conservation and Recovery Act (RCRA) hazardous waste determinations and management, preparation of mining permit applications, and baseline hydrological and geochemical studies. His experience in geology, hydrology and geochemistry, gives Dr. Pasteris the versatility to provide a range of environmental technical solutions.

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Ryan Defilippi

Staff Engineer, E.I., C.E.M.

Mr. Defilippi is a Civil Engineer with more than eight years of experience in civil engineering and environmental consulting. Mr. Defilippi’s areas of expertise in environmental consulting include project management, environmental due diligence assessments for commercial real estate transactions (Phase I and II environmental site assessments), Toxics Release Inventory (TRI) reporting, Indoor Air Quality (IAQ) assessments and abatement oversight (asbestos, lead and mold), technical report writing, cost estimations and proposals, project oversight, analytical data review, and remediation system design and implementation.

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Krista J. Wahnefried

Environmental Scientist, C.E.M.

Ms. Wahnefried is an Environmental Scientist with over eight years of experience in environmental consulting and scientific research. Ms. Wahnefried’s expertise in environmental consulting focuses on environmental due diligence assessments for commercial real estate transactions (Phase I and II Environmental Site Assessments), water quality monitoring, hazardous material inspections, NEPA Land Use Compliance, natural resource surveys, litigation support, project management, technical report writing, cost estimations, and proposals.

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Gareth Blakemore

Biologist, M.S.

Mr. Blakemore is a Biologist with 14 years of experience conducting biological work for various federal agencies (Fish and Wildlife Service, Forest Service, National Park Service), and research universities. This work experience was geared towards the monitoring of federally listed species and their habitat as part of a given recovery or management program. In addition, he has extensive experience conducting biological research in the Great Basin, water quality and wetland monitoring, ecotoxicology studies, aerial telemetry and mine closure surveys. Mr. Blakemore’s unique scientific acumen provides him with a working knowledge of the ecological stressors on western wildlife and the methods for recognizing and mitigating their impacts. Furthermore, he is comfortable navigating the physical and political landscapes of the West, while maintaining close and professional collaboration with State, Federal, Tribal and Private entities towards accomplishing common goals.

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Kacie Shourd

Atmospheric Scientist, M.S.

Ms. Shourd is an atmospheric scientist with six years of academic and professional experience. Ms. Shourd’s areas of expertise include air quality permitting and compliance, Gaussian and Lagrangian air dispersion modeling, mesoscale weather modeling, Geographic Information Systems (GIS), severe weather and environmental disasters, and operational weather forecasting..

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Alexa Terrell

Hydrogeologist, M.S.

Ms. Terrell is a hydrogeologist with seven years of professional and academic experience within the environmental and hydrological sciences, and with over three of those years in professional consulting practices. She has a professional focus in the hydrogeological sciences relating to water resource development including extensive data collection; well siting and design; oversight on well drilling in alluvial and hard rock environments and well construction; discharge permitting; aquifer pumping test analysis; catchment-scale groundwater flow simulations; spring, surface and groundwater monitoring; and regional scale hydrogeological assessments.

She specializes in monitoring network planning, spatial data analysis, and representation. Her experience is focused mainly in California and Nevada with international experience in Germany and the Middle East. She has additional work experience in aspects of project management, and field and laboratory experience in environmental studies and surface hydrology. Ms. Terrell has worked on projects for local, county, state, and federal government, as well as private land developers, golf courses, ski resorts, non-profits, and academic research.

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Dave Miceli

Biologist, M.S.

Mr. Miceli is a Biologist with over ten years of professional experience in the Great Basin and surrounding region. He has held positions at the Bureau of Land Management, Nevada Department of Wildlife, Desert Research Institute, The Great Basin Institute, and numerous environmental consulting firms. Mr. Miceli’s areas of expertise include geographic information systems (GIS), data management, biological compliance, habitat assessment, and desert tortoise biology. The majority of his environmental consulting experience has been geared toward implementation of avoidance and minimization measures for federal and state listed species in accordance with the National Environmental Protection Act (NEPA), California Environmental Quality Act (CEQA), and the Endangered Species Act (ESA). Mr. Miceli’s extensive field experience and data management background provide a well-rounded skillset that bridges the gap between field and office, ensuring efficient and accurate data collection, analysis, and reporting.

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