Geology Expert Witnesses

The SEAK Expert Witness Directory contains a comprehensive list of geology expert witnesses who testify, consult and provide litigation support on geology and related issues. Geology expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these geology expert witnesses testify regarding may include: Geology, Ground Subsidence, Karst Geology, Soil Liquefaction, Aggregate Piers, Backfill, Buried Debris, Cliff Erosion, Collapsible Soil, Construction, Construction Engineering, Dam Failure, Drainage, Earthquake, and Energy.

Use the search box above to further refine your search for geology expert witnesses by keyword and state. Attorneys contact the experts directly – with no middleman.

Mark J. Vanarelli, PhD, PE, PG, BCEE, DWRE, F.ASCE COVAN Engineering LLC

Westminster, Colorado
Civil Engineering, Mining - Hydrogeology, Hydrology, Geological Engineering, Mining Engineering, Tunnel Engineering, Geotechnical Engineering, Groundwater, Geology, Water Resources Engineering, Remediation Design, Trenchless Technology, Site Investigations.
Licensed Professional Engineer (PE - Civil) (1996-Pres.) – CO, PA, and NJ; USA Licensed Professional Geologist (PG) (1992-Pres.) – PA, KY, IL, and WY; USA Board Certified Environmental Engineer (BCEE, 2002) – American Academy of Environmental Engineers & Scientists (AAEES) Diplomate, Water Resources Engineer (D. WRE, 2009) – American Academy of Water Resources Engineers (ASCE affiliate) OSHA HAZWOPER 40-hour operator and 8-hour supervisor level training certification MSHA Surface Mining Certification (renewed 2016) American Society of Civil Engineers (ASCE) – Fellow (#342191) Society of Mining, Metallurgical and Exploration (SME-AIME) - Member American Academy of Environmental Engineers & Scientists (AAEES) - Member Published Papers: • Hamed M. Jassim, Mark J. Vanarelli, Faris R. Ahmed, Varoujan K. Sissakian and Hassan O. Omer, 2019. Portal Landslide Analysis of the New Haibat Sultan Tunnels in Koya, Kurdistan Region, Iraq, 14th International Conference Underground Const...

Edward J. Garbin, Jr., PhD, PE, DGE Garbin GeoStructural Group, LLC

Saint Johns, Florida
Geotechnical Engineering, Geology - construction, construction engineering, engineer, foundations, sinkholes, piles, drainage, shoring, earthquake, ground, slope, slide, aggregate piers, stone columns, rigid inclusions, vibrations, ground subsidence, ground modification/improvement, karst geology, soil liquefaction
Dr. Ed Garbin was a contractor in NJ prior to becoming an engineer, and therefore understands the construction process thoroughly. First licensed as a Professional Engineer in Florida in 2003, he now holds PE licenses in 27 states in total (AL, DE, FL, GA, IL, IN, IA, LA, MD, MA, MI, MN, MS, MO, MT, NE, NJ, NY, NC, OH, OK, PA, SC, TN, TX, VA, and WI). He primarily serves the commercial/heavy-civil construction industry, but also handles residential cases. Dr. Garbin is an ASCE-AGP Board-Certified Expert in Geotechnical Engineering. A former Adjunct Professor of Civil Engineering, he is an exceptional communicator, highly skilled at explaining complex construction and engineering topics in easy-to-understand language. Please visit www.GarbinGeo.com for more information and to contact Dr. Garbin.

David Wilshaw, MS, PG Britannia Solutions LLC

Winter Garden, Florida
Geology, Geotechnical Engineering - Sinkhole, Ground Subsidence, Landslides, Mine Subsidence, Ground Movement, Landslip, Karst Geology, Limestone Cavities, Soil Liquefaction, Cliff Erosion, Landfill, Organic Soil, Expansive Soil, Collapsible Soil, Dam Failure, Rock Fall, Buried Debris, Groundwater Seepage, Backfill, Shrink/Swell Clay
David Wilshaw holds a B.Sc. Degree in Geology - University of London (1984) and a M.Sc. (Engineering) Degree in Foundation Engineering - University of Birmingham (1987). He has over 35 years of professional experience in engineering geology, geotechnics and geo-environmental assessments gained throughout the UK, Europe, the USA and the Caribbean. Licensure & Certifications: • State of Florida Professional Geologist since 2006. • State of Tennessee Professional Geologist since 2012. • Commonwealth of Pennsylvania Professional Geologist since 2017. • Fellow of the Geological Society of London since 1989; Chartered Geologist since 1992 • Certified State of Florida Neutral Evaluator of Disputed Sinkhole Insurance Claims since 2011 Mr. Wilshaw is currently engaged in: geotechnical investigation and ground-risk management in the residential / commercial construction, transportation and mining sectors; soil & rock drilling and testing; Phase I Environmental Site Assessments; pre-sui...

Bill Cline GaffneyCline

Houston, Texas
Oil and Gas, Economics - Valuation of petroleum assets, international oil and gas, petroleum contracts development and negotiation support; petroleum sector resource management and fiscal reform, petroleum engineering, energy, geology
Mr. Cline has acted in the capacity of expert witness particularly with respect to valuation of petroleum properties and/or petroleum industry practices in numerous arbitration, mediation and litigation proceedings including: ExxonMobil vs. Venezuela (ICSID); ExxonMobil vs. Petróleos de Venezuela (ICC); Anadarko Petroleum/Maersk vs. Sonatrach (UNCITRAL); Maersk vs. Algeria (ICSID); Sonatrach vs. Duke (UNCITRAL); Texaco vs. Apache (AAA); Vanco vs. Ukraine (Stockholm Chamber of Commerce); Occidental vs. Ecuador (mediation); CNOOC vs. Talisman (mediation); a series of arbitrations related to Egypt’s natural gas sector (ICC, ICSID, UNCITRAL and CRCICA); Midland Resources vs. Shtaif et al. (Ontario Superior Court); Total/ExxonMobil/Chevron/Nexen vs. NNPC (Nigerian arbitration); Repsol vs. Chevron (Spanish litigation); Niko vs. Bangladesh (ICSID and Bangladesh litigation); First National Petroleum vs. TNG (Stockholm Chamber of Commerce); Nexen/Occidental et al. vs. Yemen and multiple case...
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