Karst Expert Witnesses

Karst expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on karst. The karst expert witness listings on this page are typically from fields/areas of expertise such as: Environmental, Geology, Geotechnical Engineering, and Hydrology.

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

Saint Johns, Florida
Geotechnical Engineering, Geology - construction, construction engineering, engineer, foundations, sinkholes, piles, shoring, earthquake, ground, slope, slide, aggregate piers, stone columns, rigid inclusions, vibrations, subsidence, ground improvement, karst, liquefaction, differential, settlement, expansive, clay
Dr. Ed Garbin worked as 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 39 states in total (AL, AR, AZ, CO, DE, FL, GA, IL, IN, IA, ID, KS, KY, LA, MD, MA, MI, MN, MS, MO, MT, NE, ND, NJ, NM, NY, NC, OH, OK, PA, SC, SD, TN, TX, UT, VA, WV, WI, and WY). He primarily serves the commercial/heavy-civil construction industry. 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. He successfully defeated a Daubert motion (PA, 2021). At 53 years of age, he has amassed over 30 years of combined construction and engineering experience. Dr. Garbin's "wheelhouse" includes sheet piles and shoring, deep foundations, shallow foundati...

Timothy D Bechtel, PhD, PG Franklin and Marshall College

Lancaster, Pennsylvania
Environmental, Hydrology - sinkhole, groundwater, landslide, drilling, hydrogeology, rockfall, karst, vibration, blast, earthquake, contamination, pipeline, fracking, water, erosion, construction, stormwater, physics, leak, cave
Dr. Bechtel is geophysicist/geologist, and a world-renowned expert on sinkholes. But not just sinkholes; bedrock conditions, caves, water pollution, and all issues related to karst terranes. Dr. Bechtel has 25+ years of experience in the engineering/environmental industry, as well as faculty positions at Franklin & Marshall College, the University of Memphis and the University of Pennsylvania, and is an appointed member of the International Karst Commission. Dr. Bechtel has been an expert in dozens of sinkole or karst-related cases - often related to causes of sinkholes and/or water problems. Dr. Bechtel also has expertise and courtroom experience in Unconventional Oil & Gas, hydraulic fracturing (fracking), and fracking-industry-related earthquakes, horizontal directional drilling (HDD), as well as all fields of seismology, seismic hazards, vibration monitoring and analysis, subsidence, soil creep, landslides, rockfalls, non-destructive evaluation of earthen dams and levees, subsu...

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

Pennsylvania
Geotechnical Engineering, Geology - construction, construction engineering, engineer, foundations, sinkholes, piles, shoring, earthquake, ground, slope, slide, aggregate piers, stone columns, rigid inclusions, vibrations, subsidence, ground improvement, karst, liquefaction, differential, settlement, expansive, clay
Dr. Ed Garbin worked as 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 39 states in total (AL, AR, AZ, CO, DE, FL, GA, IL, IN, IA, ID, KS, KY, LA, MD, MA, MI, MN, MS, MO, MT, NE, ND, NJ, NM, NY, NC, OH, OK, PA, SC, SD, TN, TX, UT, VA, WV, WI, and WY). He primarily serves the commercial/heavy-civil construction industry. 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. He successfully defeated a Daubert motion (PA, 2021). At 53 years of age, he has amassed over 30 years of combined construction and engineering experience. Dr. Garbin's "wheelhouse" includes sheet piles and shoring, deep foundations, shallow foundati...

Thomas D Gillespie, P.G. Gilmore & Associates, Inc.

Coopersburg, Pennsylvania
Geology, Environmental - Groundwater, Hydrogeology, Geology, Geo-Hazards, Mining, Stormwater, Oil & Gas, Bedrock Aquifer, Groundwater Contamination, Environmental Forensics, Environmental Evaluation, Environment, Water Resources, Water Supply, Karst, Karst Geology, Karst Hydrogeology, Sinkholes
Expertise in hydrogeology, geology and environmental forensics with a specialization in groundwater flow and contaminant transport in fractured bedrock aquifers. Mr. Gillespie's technical expertise is complemented by an industry insider’s savvy of corporate needs and operations and the regulatory acumen of a former agency reviewer and bureau official. He is a published researcher in hydrostructural geology and karst hydrogeology, an adjunct university professor of geology and a frequent provider of continuing professional education courses. Mr. Gillespie is routinely invited to speak on matters of earth, environment and energy to government committees, national business organizations and educational institutions. He developed and leads a geoResource Risk Reduction practice, specializing in strategic representation in regulatory and legal venues. Mr. Gillespie has provided litigation support, testifying expert services, expert regulatory negotiation support and public representa...

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

Texas
Geotechnical Engineering, Geology - construction, construction engineering, engineer, foundations, sinkholes, piles, shoring, earthquake, ground, slope, slide, aggregate piers, stone columns, rigid inclusions, vibrations, subsidence, ground improvement, karst, liquefaction, differential, settlement, expansive, clay
Dr. Ed Garbin worked as 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 39 states in total (AL, AR, AZ, CO, DE, FL, GA, IL, IN, IA, ID, KS, KY, LA, MD, MA, MI, MN, MS, MO, MT, NE, ND, NJ, NM, NY, NC, OH, OK, PA, SC, SD, TN, TX, UT, VA, WV, WI, and WY). He primarily serves the commercial/heavy-civil construction industry. 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. He successfully defeated a Daubert motion (PA, 2021). At 53 years of age, he has amassed over 30 years of combined construction and engineering experience. Dr. Garbin's "wheelhouse" includes sheet piles and shoring, deep foundations, shallow foundati...