banner ad

Geology Expert Witnesses

Sort Non-Featured Profiles by
Check for SynapsUs
Randy D. Horsak, PE
Environmental Forensics Expert
PO Box 941735
Houston TX 77094
USA
phone: 281-752-6700
Randy-Horsak-Photo.jpg
Randy D. Horsak, PE is a scientist and registered Professional Engineer with more than 40 years of experience in all phases of Environmental Science and Engineering. President of 3TM Consulting, LLC, Mr. Horsak provides consulting in the areas of environmental engineering, geology and hydrogeology, ecology, land use, human and ecological risk assessment, and remediation and decontamination.

Litigation Support - Mr. Horsak supports attorneys for both Plaintiff and Defense. His clients include industrial and commercial companies, attorneys, land owners and realtors, toxicologists and medical doctors, and other consultants.

Environmental Projects Including:
  • Air Pollution
  • Ambient Air Quality Testing
  • Noise
  • Soil and Sediment
  • Groundwater and Surface Water
  • Water Treatment and Purification
  • Contaminated Dust
  • Ecosystems
  • Sites and Facilities
    • Abandoned Sites
    • Hazardous Waste Management Facilities
    • Refineries and Chemical Plants
    • Fossil and Nuclear Power Plants
    • Geothermal Energy Plants
  • Manufacturing and Commercial Facilities
  • Pipelines
  • Power Transmission Lines
  • Oil and Gas Exploration and Production
  • Public and Private Properties
  • View Mr. Horsak's Consulting Profile.
    Check for SynapsUs
    David Wilshaw, MS, PG
    President
    P.O. Box 783547
    Winter Garden FL 34778
    USA
    phone: 407-342-7737
    David Wilshaw, MS, PG has over 33 years of experience in Engineering Geology, Geotechnics, Hydrogeology and Geoenvironmental assessments. Established in 2012, his company Britannia Solutions LLC has continuously provided Sinkhole Neutral Evaluation and expert geological opinions to insurance carriers, private individuals, corporations and their respective legal advisers. Mr. Wilshaw offers services as a professional geologist and expert witness with respect to disputed sinkhole insurance claims and many other specialized areas of engineering geology, specifically Slope Failures, Underground Mining Subsidence and the Adequacy of Ground Investigations in relation to claims under construction contracts.

    David Wilshaw has been a Florida DFS-certified Neutral Evaluator under §627.7074 Florida Statutes since 2011. He is licensed as a Professional Geologist in Florida, Pennsylvania and Tennessee and is registered as a Chartered Geologist and Fellow of the Geological Society in the United Kingdom. He has been Adjunct Professor of Earth Science since 2015. In the last 8 years, he has been the statutory Professional Geologist under s.627.707 Florida Statutes for over 850 cause of subsidence investigations related to sinkhole loss claims across Florida, from the Panhandle to the Florida Keys.

    Litigation Services Include:
    • Testifying Expert at Deposition over 120 times.
    • Testifying Expert at Trial over 30 times.
    • Neutral Evaluation of over 135 Disputed Sinkhole Insurance Claims in accordance with Section 627.7074 Florida Statutes
    • Peer review and expert opinion to defense and plaintiff attorneys on over 2,000 disputed claims for sinkhole loss
    View Consulting Profile.
    Check for SynapsUs
    James A. Jacobs, PG, CHG, CPG
    229 Tewksbury Ave.
    Point Richmond California 94801
    USA
    phone: 510-590-1098
    fax: 510-232-2823
    James-Jacob-hydrology-expert-photo.jpg
    James A. Jacobs, PG, CHG, CPG, has over 30 years of experience as a Geologist / Hydrogeologist and licensed contractor focused on answering geologic, environmental impairment, and forensic questions. He is a certified hydrogeologist in California and Washington and a Professional Geologist in California and several other states.

    A Fulbright Senior Scholar with 4 awards in environmental engineering and science, his projects relate to collecting, describing, and analyzing Soil, Rock, Groundwater, Vapor, and Stormwater samples, summarizing the data and creating useful technical information and cost recovery statements for decision makers or settlements. His other projects relate to peer review and contractor evaluation projects.

    Mr. Jacobs has provided litigation services in the investigation and analysis of cases involving contamination by hydrocarbon and solvent spills and leaks, erosion, flooding, and related issues. He has provided testimony assisting with many settlement conferences. Mr. Jacobs is qualified to testify in municipal, state, and Federal courts.

    Litigation Support and Expert Witness:
    • Perform litigation and technical support for various environmental and engineering cases from evaluating remediation history to well damage to erosion control
    • Estimate reasonable and necessary remedial costs for settlement conferences
    • Serve as an objective peer reviewer
    • Expert witness testimony on environmental cases
    Since 2002, Mr. Jacobs has been an elected director of two public agencies, a local sewer district, and a community services district. As such he is interested in I&I issues and sewer gas and volatile contaminant vapor intrusion into indoor air spaces via ineffective vapor seals on fixtures or dry P-traps in buildings. He performs cost allocations for environmental litigation, and also provides oil and gas production verification.

    View James Jacobs' Consulting Profile.
    James A. Jacobs, et. al (eds.)
    Put together by a team of scientists, engineers, regulators, and lawyers, the Chromium(VI) Handbook consolidates the latest literature on this topic. The broad scope of this book fills the need for a comprehensive resource on chromium(VI), improving the knowledge of this contaminant at a time when the extent and degree of the problem is still being assessed. It addresses naturally occurring and anthropogenic sources, geology and geochemistry, toxicity, treatment, regulatory issues and legal cases, and recommendations.
    James A. Jacobs, et al
    Provides the tools needed to analyze and solve acid drainage problem. Featuring contributions from leading experts in science and engineering, this book explores the complex biogeochemistry of acid mine drainage, rock drainage, and acid sulfate soils. It describes how to predict, prevent, and remediate the environmental impact of acid drainage and the oxidation of sulfides, offering the latest sampling and analytical methods. Moreover, readers will discover new approaches for recovering valuable resources from acid mine drainage, including bioleaching.
    James A. Jacobs, et al
    The definitive guide to petroleum hydrocarbon fuel spill and leak causes, prevention, response, and cost recovery.It highlights the complex nature of petroleum hydrocarbon fuel extraction methods, the unintended consequences when disasters occur, spill behavior, and environmental impact mitigation. This practical resource discusses engineering techniques; long-term biological and environmental effects; dealing with insurance claims, litigation, and legislation in overlapping jurisdictions; and much more.
    James A. Jacobs, et. al (eds.)
    Written by an expert team of scientists, engineers, and toxicologists, MTBE: Effects on Soil and Ground-Water Resources provides complete in-depth coverage of the assessment and potential remediation strategies of methyl tertiary-butyl ether (MTBE).
    Check for SynapsUs
    David L. Mitchell
    Ph.D.
    P.O. Box 70
    Dayton TX 77535
    USA
    phone: 936-257-1633
    fax: 936-258-4237
    David MitchellGEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater Pollution and Data Analysis, Forensic Geology and Geophysics, Hydrology Modeling, and Forensic Meteorology including Weather Event Re-Construction and Force Majeure cases. GEO Associates can assist attorneys and insurance claim professionals in obtaining, analyzing, modeling, and interpreting the correct geophysical/geological and meteorological data for their case.

    GEO Associates uses the latest approved Regulatory EPA and USGS numerical modeling software to map the concentration levels and transport of air and groundwater pollutants. GEO Associates numerical modeling expertise, combined with their advanced knowledge of meteorological, geophysical and geological data gathering and processing, provides strong support to the attorney and client for cases involving Air Pollution, Reduced Visibility, Severe Storms, Groundwater Contamination, Flooding, Wind Damage and Hazardous Material Spills and Releases to Air and/or Water, which result in accidents, contamination of aquifers, toxic air, property damage, personal injury and death.

    Services Include:
  • Forensic Geology
  • Industrial Groundwater Pollution
  • Toxic Tort Strategy
  • Environmental Surface and Groundwater Pollution
  • Mapping of Surface and Groundwater Contamination
  • Forensic Hydrology
  • Groundwater Computer Modeling
  • Aquifer Systems Analysis
  • Hazardous Spill Releases
  • Geological and Geophysical Data Acquisition, Processing and Analysis
  • Geological and Geophysical Mapping of Reservoirs
  • Observational Field Programs
  • Reflection and Refraction Seismology
  • Forensic Seismology
  • Seismic Investigations
  • Oil and Gas Operations and Operator Performance
  • Marine and Land Seismic Operations
  • Value Analysis of Proprietary Geophysical and Geological Data
  • 2D and 3D Reflection Seismology Modeling and Analysis
  • Fluid Dynamics and Reservoir Analysis
  • Toxic Fluid Migration
  • Class Action and Force Majeure Cases
  • Check for SynapsUs
    Scott Friesen, PE
    Senior Consultant
    Contact Rush Porter, Director of Business Development
    8330 Juniper Creek Lane
    San Diego CA 92126
    USA
    phone: 858-587-2874
    fax: 858-587-6749
    Ivey-Engineering-logo.gif
    Scott Friesen Energy Engineering Expert PhotoScott Friesen, PE, is a licensed Professional Engineer in California, Florida, Arizona, Hawaii, Mississippi and two Canadian provinces (Alberta and Manitoba), and is LEED Accredited (CaGBC) and certified as an Energy Manager. Scott has more than 14 years of experience in Design and Construction of HVAC, Plumbing and Building Energy Conservation, System Design, Construction and Forensic Analysis. He has also performed commissioning, energy audits and was involved in marketing and business development.

    Scott's responsibilities at Ivey include design and forensic analysis of HVAC, plumbing, fire protection and energy management systems. He performs site inspections, testing, research, product analysis, cost estimating and is responsible for writing reports and testifying in depositions, hearings and trials.

    Scott is a member of Association of Professional Engineers, Geologist, Geophysicists of Alberta (APEGGA), American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), Association of Energy Engineers (AEE) and Canadian Green Building Council (CaGBC).

    Experience (partial listing):
    • Approximately 75 HVAC, fire protection and plumbing design projects
    • Approximately six design error and omission expert engagements
    • Approximately 20 residential construction defect expert engagements
    • Approximately 16 commercial construction defect expert engagements
    • 10 LEED design projects
    • 8 HVAC and plumbing commissioning projects
    Check for SynapsUs
    William R. Ivey, PE, Principal
    Contact Rush Porter, Director of Business Development
    8330 Juniper Creek Lane
    San Diego CA 92126
    USA
    phone: 858-587-2874
    fax: 858-587-6749
    Ivey-Engineering-logo.gif
    William Ivey HVAC Plumbing Engineering Expert-PhotoWilliam R. Ivey, PE - HVAC, Plumbing and Piping Construction Industry Expert for over 30 years.
    • Licensed professional engineer working at all levels in the bidding and managing of construction projects. Began his career in 1970 when he joined a Seattle based mechanical contracting firm as an estimator. Has managed over $400 million of mechanical construction work as a project manager on projects totaling over $3 billion in total construction costs, since 1970.
    • Founded Ivey Construction Services (ICS), in 1994, an engineering and construction consulting firm.
    • Has served as an Expert Witness in Construction Litigation Matters, Designed HVAC, Piping and Plumbing Systems, and has served as an industry expert for the California State Contractors License Board.
    • Approximately 100 HVAC and plumbing engineering engagements and 300 expert and forensic consulting engagements since forming ICS in 1994.
    Check for SynapsUs
    Lorne G. Everett, PhD, DSc
    3700 State Street. Suite 350
    Santa Barbara CA 93105
    USA
    phone: 805-880-9301 (Direct) or 805-880-9300 (Office)
    Lorne-Everett-Environmental-Expert-Photo.jpg

    Lorne Everett Associates Expert Photo


    Lorne G. Everett, PhD, DSc, CGW, PH, PH-GW, BCES, HON.D.WRE, FASCE, FAWRA, FASTM, is an Environmental Consultant with over 40 years of experience in site characterization and remediation of Soils and Groundwater.

    Background - Dr. Everett served as the Chief Scientist at Haley & Aldrich, Shaw Environmental, ARCADIS, and Metcalf & Eddy Inc. He is a retired Professional Researcher (Level VII) in the Bren School of Environmental Science & Management at the University of California at Santa Barbara (UCSB) and Past Director of the Vadose Zone Monitoring Laboratory at UCSB. The University of California describes full professor Level VII as “reserved for scholars of great distinction.”

    Dr. Everett is an internationally recognized expert who has conducted extensive research on Subsurface Characterization and Remediation. He is Chairman of the ASTM Task Committee on Groundwater and Vadose Zone Monitoring. He also chaired the Remediation Session of the First USSR/USA Conference on Environmental Hydrogeology (Leningrad, 1990).

    Dr. Everett has received numerous awards, published over 150 technical papers and reports, holds several patents, developed 11 national ASTM Vadose Zone Monitoring standards and authored and edited over 10 books including: Vadose Zone Monitoring for Hazardous Waste Sites, and Subsurface Migration of Hazardous Waste. His book entitled, Groundwater Monitoring was endorsed by the Environmental Protection Agency (EPA) as establishing “the state-of-the-art used by industry today” and was recommended by the World Health Organization for all developing countries.

    Dr. Everett on Vapor Intrusion


    Litigation Support - Dr. Everett is an expert witness with an established track record in over 80 court cases involving over $2 billion dollars. He provides expert witness services for Toxic Tort Cases, when one or more parties allege health effects and/or property damage from chemicals released to the environment by another party, and Allocation Cases, in which two or more parties disagree over who caused a release to the environment and how much money each party should contribute toward to the cleanup.

    Areas of Expertise:
    • Vapor Intrusion
    • Class Action Lawsuit
    • Personal Injury
  • Toxic Tort
  • Remediation Cost Allocation
  • Property Devaluation
  • View Lorne Everett's Consulting Profile.
    Lorne G. Everett, PhD, et al
    This compilation of selected technical papers, contains peer-reviewed papers that were presented at a symposium sponsored by ASTM International Committee D18 on Soil and Rock and Subcommittee on Groundwater and Vadose Zone Investigations.
    Lorne G. Everett, PhD, et al
    The book covers subsurface water exchange between the land and sea as well as groundwater discharge to the seas. It also provides a review of experimental methods and numerical modeling that can be used for the evaluation of specific discharge data and the effect of groundwater on the salt balance of seas and oceans.
    Lorne G. Everett, PhD, et al
    This publication provides an international perspective on one of the most complex issues in hydrology: field and laboratory measurement of low permeability and dual porosity materials. Eleven peer-reviewed papers, written by an international group of experts, focus on the development of techniques to evaluate hydraulic conductivity and remediation of fine grained and dual porosity geologic materials.
    Lorne G. Everett, PhD, et al
    Compiled by experienced practitioners, this guide covers topics such as basic principles of vadose zone hydrology and prevalent monitoring techniques. Case studies present actual field experiences for the benefit of the reader. The Handbook provides practitioners with the information they need to fully understand the principles, advantages, and limitations of the monitoring techniques that are available.
    Lorne G. Everett, PhD
    This handbook contains specific information on the application of a widely accepted groundwater monitoring methodology, which has been applied to coal and oil shale development sites.
    Lorne G. Everett, PhD
    Guidelines and Methodology for Developing and Implementing a Groundwater Quality Monitoring Program
    Check for SynapsUs
    Rudolph P. Frizzi, PE, GE, D.GE
    Geotechnical Engineering Consultant
    555 Montgomery Street, Suite 1300
    San Francisco CA USA
    phone: 201-398-4613
    Rudolph-Frizzi-Geotechnical-Engineering-Expert-Photo.jpg
    Rudolph P. Frizzi, PE, GE, D.GE is a Civil Engineer with over 25 years of extensive practical Foundation and Geotechnical Engineering experience. Mr. Frizzi has extensive project management experience throughout the United States and internationally, with particular emphasis on:
    • Foundation Design and Construction in Urban Areas
    • Large Scale Land and Waterfront Public and Private Development Projects
    Mr. Frizzi has obtained extensive field, office supervision, and project management experience including soil and rock sampling and in-situ testing; monitoring pre , during, and post-construction with state-of-the-art geotechnical instrumentation; nondestructive testing; aqueous and sub-aqueous inspections and investigations; and heavy construction which has contributed to his practical approach to geotechnical problem solving.

    In addition to his "engineer of record" experience, Mr. Frizzi has provided expert geotechnical consultation and trial testimony on over 50 excavation and foundation litigation cases throughout the United States and internationally. His services are available to attorneys for Plaintiff and Defense.

    Areas of Forensic Expertise:
    • Foundations for Stadiums, Arenas, High-Rise Structures in Urban Areas
    • Embankment and Dam Stability
    • Large-scale Land and Waterfront / Marine Structures and Development
    • Shallow and Deep Foundation Systems
    • Soft and Hard Rock Treatment
    • Earthwork
    • Ground Improvement of Waste Fills
    • Temporary and Permanent Lateral Support Systems for Deep Excavations
    • Geotechnical Instrumentation and Vibration Monitoring
    • Construction Dewatering
    View Rudolph Frizzi's Consulting Profile.
    Check for SynapsUs
    Sean Wilson, MS, PG, CEG
    664 W. Broadway
    Glendale CA 91204
    USA
    phone: (818) 539-8408
    fax: (818) 543-4565
    Sean-Wilson-Geo-Forensic-Expert-Photo.jpg
    Sean Wilson, MS, PG, CEG, has over 23 years of experience in performing Geologic and Geotechnical Forensic Engineering investigations. Mr. Wilson currently serves as a Senior Professional Geologist at Shannon & Wilson, Inc. He holds a professional engineering geologist license in California and a professional geologist license in Utah.

    Mr. Wilson has broad experience in numerous industries. He has completed or project managed over a 1,000 forensic evaluations of distressed properties in California, Utah and Oregon for insurance carriers. For the construction industry, Mr. Wilson's work in residential/commercial/public works development projects include trench and drilling exploration, down-hole logging, geotechnical laboratory testing, slope stability analysis, fault trench logging, foundation and keyway observations, fill control, mass grading monitoring. He has also provided planning and environmental impact reports for several cities and counties throughout California.

    Litigation Support - Mr. Wilson provides consultation services to attorneys, judges, arbitrators, insurance companies, and others in the evaluation and remediation of soil related distress to structures, earth movement, seismicity, and other matters related to adverse soil, geologic, or hydrologic conditions. His services are available to counsel representing both Plaintiff and Defendant.

    Areas of Expertise:
    • Forensic Investigations
    • Damage Causation Evaluations
    • Geologic and Geotechnical Investigations
    • Landslide Investigations and Mitigation
    • Geologic Hazard Assessments
    • Environmental Impact Report (EIR) Preparation
    • Environmental Planning
    • Observation and Monitoring of Engineered Grading and Construction Projects
    Check for SynapsUs
    Robin D. Franks, PG, CHMM, RSO
    President
    8048 Northcourt Road
    Houston TX 77040
    USA
    phone: 800-992-8048
    fax: 713-744-5888
    Robin-Franks-Environmental-Expert-Photo.jpg
    Robin D. Franks, PG, CHMM, RSO has over 25 years of relevant industry experience as a professional Geoscientist / Geologist and Certified Hazardous Materials Manager. President and TGE Resources, Inc., she offers environmental due diligence, industrial hygiene, environmental compliance auditing, and remediation management of affected real property services.

    Ms. Franks provides litigation support and client representation with regard to environmental matters. She has been actively involved in more than 35 "merger/acquisition" projects encompassing over 750 sites nationwide. As senior Technical Advisor, she has been involved in thousands of real property investigations, many of which have involved remediation/closure projects within Texas and throughout the United States.

    Areas of Expertise:
    • Real Estate Assessments - Environmental Due Diligence
    • Environmental Compliance Audits
    • Remediation Management, Corrective Action (Clean-up) Consulting of Contaminated Real Estate
    • Risk-Based Closure
    • Hazardous, Solid Waste Materials Management, Clean-up Consulting of Affected Property
    • Asbestos, Lead-Based Paint, Mold/Fungal, Industrial Hygiene
    • Radiation Safety (NORM)
    • Petroleum Storage Tank (PST) Management, Compliance, Corrective Action
    • Environmental Testing, Clean-up Consulting
    View Dr. Franks' Consulting Profile.