Our Environmental Engineers & Scientists

With more than 100 years of combined experience, and well over 100 environmental site closures, McGinley & Associates is highly regarded by regulators and clients alike.

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 Hydrogeologist (C.Hg.)
  • Certified Environmental Managers (C.E.M.)
  • Certified Geographic Information Systems (GIS) Specialists
  • Certified Hazardous Material Manager (C.H.M.M.)
  • HAZMAT Specialists
  • Environmental Technicians

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

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

The MGA Management Team – We Offer Experience, Performance & Results

Joe McGinley - PE, PG, CEM

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.

John Snow

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.

Brett Bottenberg - P.E., C.E.M.

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.

Brian Giroux - PG, CHg, CEM

Brian Giroux

Principal Hydrogeologist, P.G., C.Hg., C.E.M.

Mr. Giroux is a practical hydrogeologist with 25 years of professional experience in site and resource investigations, hydrogeologic characterization, and environmental consulting, serving the public, government and business sectors. He has substantial experience with soil, water and air investigations; groundwater flow and contaminant transport modeling; environmental permitting; NEPA studies; management of hazardous materials and waste; human and ecological risk assessments; development and management of water supply systems; and program management for projects throughout the western US.

Tracy Johnston - PE, CEM

Tracy Johnston

Senior Remediation Engineer, P.E., C.E.M.

Mr. Johnston is a senior project manager with over 20 years' experience in civil engineering and environmental projects. Mr. Johnston has served as project manager for numerous Phase II assessments, designing, installing and successfully remediating both hazardous and regulated wastes in soil and groundwater. Some of Mr. Johnston’s remedial designs include advanced in situ oxidation, aerobic/anaerobic biological treatment, air sparging, soil vacuum extraction, intrinsic remediation, dual-phase extraction, and groundwater pump and treat.

Tony Dimpel

Tony Dimpel

Project Manager/Director of Air Quality, P.E., C.E.M.

Mr. Dimpel is a civil and environmental engineer with eight years of academic and professional engineering experience. His areas of expertise include air quality permitting and compliance, air dispersion modeling, water and wastewater treatment, fate and transport of chemicals in the environment, environmental microbiology, and water quality. Mr. Dimpel’s responsibilities have included project permitting, regulatory liaison, regulatory reporting, drilling oversight, conceptual site model (CSM) development, environmental site assessments (ESAs), work plan development, health and safety management, cost estimations and proposals, and project oversight. 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.

Ryan Defilippi

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.

Justin Fike, PG, CEM

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.

Caitlin Jelle

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.

Ryan Jones

Ryan Jones

Project Geologist, C.E.M.

Mr. Jones is a Nevada Certified Environmental Manager with over 13 years' experience, and has extensive experience managing projects, personnel, contracts, and subcontractors. Mr. Jones is an OSHA Certified Asbestos Inspector for the states of Nevada and Texas. Mr. Jones is knowledgeable in areas of indoor air quality assessment; sampling of hazardous materials such as asbestos, lead-based paint, mold, and radon; project design for abatement/mitigation; soil and groundwater characterization; design, permitting, installation, and operation of soil and groundwater remediation systems; client and regulatory agency liaison for project operations and funding via state funds; evaluation and interpretation of environmental regulatory policy; Third Party litigation support; ESA historical document review, site reconnaissance, and data compilation; vapor intrusion assessment; SWPPP design and inspection; and comprehensive report preparation.

Dan Pasteris, Ph.D.

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.

Ben Peterson

Ben Peterson

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

Mr. Peterson is a Professional Geologist and Geographic Information Systems (GIS) Specialist with approximately eight 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; geological 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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