Geotechnical Engineering Expert Witnesses

The SEAK Expert Witness Directory contains a comprehensive list of geotechnical engineering expert witnesses who testify, consult and provide litigation support on geotechnical engineering and related issues. Geotechnical engineering 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 geotechnical engineering expert witnesses testify regarding may include: Civil Engineering, Construction, Construction Defects, Earthwork, Settlement, Drainage, Drilling, Environmental Engineering, Erosion, Foundations, Geological Engineering, Geotechnical Engineering, Ground Improvement, Hydrology, and Materials Testing.

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Yasser M. Abdelhamid, PhD

Construction Defect/Geotechnical Expert Witness

Bryant Consultants

California
Geotechnical Engineering, Construction Defects - Civil Engineering, Expansive Soil, Foundation Analysis and Design, Settlement, Heave, Pavement, Retaining Walls, Slope Stability, Numerical Modeling, Seepage, Drainage, Erosion, Hydrology, Seismic, Earthquake Engineering, Laboratory Testing, Structural Engineering, Construction Defects
Dr. Abdelhamid has been designated as an expert witness for many litigated cases. Dr. Abdelhamid is heavily involved in performing forensic geotechnical and geophysical investigations for several problematic foundations, pavements, retaining walls and slopes. He devises protocols for geotechnical and geophysical testing, in-situ long-term monitoring, lab testing and analysis. He is also heavily involved in preparing and reviewing proposals and expert reports for geotechnical exploration and litigated and non-litigated forensic projects. Dr. Abdelhamid is responsible for meeting clients during the proposal phase, the investigation phase and after releasing the final report to ensure client satisfaction. Dr. Abdelhamid has performed work at wide variety of forensic projects. He evaluated numerous residential buildings from single family house to a whole subdivision. Dr. Abdelhamid also evaluated many commercial, school, hospital, garage buildings. He performed stability analysis for v...
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Zachary Henrichs, M.S., P.E., DFE

Civil Engineering and Construction Expert Witness

Coltex Consulting, LLC

Clark, Colorado
Civil Engineering, Geotechnical Engineering - Construction Defects, Retaining Wall, Sewer, Trip and Fall, Grading, Detention Pond, Directional Drilling, ADA Compliance, Drainage, Irrigation Canal, Trenching, Expansive Soils, Erosion, Stormwater, Premise Liability, Sinkholes, Foundation Movement, Utilities, Slip and Fall, Pavement Distress
Zachary R. Henrichs, M.S., P.E., DFE is a licensed professional engineer serving Arizona, Colorado, Texas, and Wyoming. He has conducted numerous forensic engineering investigations, including civil cases involving personal injury and property damages. His experience in litigation support has encompassed claims arising from premises liability and construction defects. Mr. Henrichs has served as an expert witness and provided testimony for both plaintiff and defense counsels in matters of civil and geotechnical engineering. Mr. Henrichs has conducted investigations for cases involving pavement performance, pedestrian and vehicular traffic safety, soil stability, slope failure, sinkholes, frost-heave, unsuitable subgrade, inadequate grading and drainage, moisture intrusion, irrigation canal failure, stormwater management, utility damage, directional drilling/boring, underground pipe failures, slip-and-falls (snow and ice accumulation or mitigation), trip-and-falls, workplace safety ...
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David H Williams

Expert in Mobile Location Forensics and Patents

E911-LBS Consulting

Edwards, Colorado
Telecommunications, Geotechnical Engineering - GPS, Cellular Forensics, Criminal Forensics, Mobile Location, Location-Based Services, LBS, Patents, Intellectual Property, Accident Reconstruction, Internet of Things, Data Privacy, Phone location, Cell phones, Telematics, Socia Media, IoT, Driverless, Wearables, Artificial Intelligence, Context
David H. Williams is an internationally-known expert in the wireless/mobile location field and President of E911-LBS Consulting. He specializes in mobile/wireless location forensics litigation services and Intellectual Property/patents involving location technologies such as Global Positioning Satellite (GPS) systems, Network-based location systems, IoT, Artificial Intelligence, Wireless 911 (E911), and Real-Time Location Systems (RTLS), plus many others. Mr. Williams has successfully provided expert witness services in well over 200 patent, criminal, civil, anti-trust, trade secrets, product liability, fraud, class-action, and ITC cases. His credentials in mobile location goes back to the early 1980s. He has testified successfully in (U.S.) federal district court and other venues 15 times and been deposed in over 76 matters. Mr. Williams is expert in the full range of location-based services (LBS) applications enabled by these location technologies, including safety, security, an...
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Hesham Ali, PhD, PE, CPM

mc CONSULTANTS, INC.

Sunrise, Florida
Civil Engineering, Construction Engineering - asphalt, pavement, construction inspection, materials testing, emulsion, road construction, maintenance of traffic, concrete, earthwork, traffic control plans, materials laboratory, road failure, geotechnical engineering, deficiencies, construction safety, pavement engineering
Academic • 64 Publications • 3 Patents • $ 3+ Million in research funding • Principal Investigator in 10 federally-, state- and privately funded research projects • 3 year member in Faculty Senate • 4 years ASCE Student Chapter Faculty Advisor • Inventor of 3D Paving • Promoted to Professor rank in 2021. • Editorial Manager International Journal of Pavement Research and Technology • Host of 2 annual Infrastructure Sustainability seminars • 10 years full time position with Florida International University Technical • PhD in Civil Engineering • Professional Engineering license in the states of Florida and Maryland • Licensed Contractor (Broward County) • 30 years of progressive experience as an engineer, consultant and contractor in a variety of design and construction projects in Florida, New York, New Jersey, Georgia, Maryland, Texas and Qatar. • Prequalified by FDOT for Construction and Engineering Inspection, Geotechnical Engineering, Materials Testing and Design. • FDOT approv...
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Edward J. Garbin, Jr., PhD, PE, DGE

Geotechnical & Construction Expert Witness

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
Dr. Ed Garbin, Ph.D., P.E., D.GE President & Principal Engineer – Garbin GeoStructural Group, LLC When technical clarity and real-world experience are critical to your legal matter, turn to Dr. Ed Garbin, a nationally recognized authority in geostructural and construction engineering. With more than 30 years of combined construction and engineering experience, Dr. Garbin brings a rare dual perspective to the expert witness role. He began his career on construction crews before earning his Ph.D. in Geotechnical Engineering and PE licensure in 2003. He is now licensed in 40 states and Board Certified in Geotechnical Engineering (D.GE) by the ASCE Geo-Institute's Academy of Geo-Professionals. His expertise spans commercial, industrial, and heavy-civil construction, including: Shallow and Deep foundations Foundation load and integrity testing Ground improvement (aggregate piers, grouting, soil mixing, rigid inclusions) Earth retention and support of excavation (soldier piles, sheet ...
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Joshua Tolbert

PEG, Inc.

Smerna, Georgia
Engineering, Premises Liability - Civil Engineering, Fall Protection, Construction, Analysis, Industrial Safety including OSHA and NFPA. See www.peginc.biz for Structural Engineering, Environmental Engineering, Geo technical Engineering, Mechanical Engineering and Electrical Engineering
PEG, Inc. offers consultation and expert testimony in many specialized areas, such as the following: Accident Reconstruction & Investigations Building Codes Concrete Failures Construction & Environmental Construction Equipment Accidents Construction Safety & Related Codes Cooling Towers & Hydraulics Electrical Engineering Excavation, Blasting & Trenching Exhibit Reconstruction & Investigations Fall Protection Highway & Transportation Problems Mechanical Engineering Metallurgy & Welding / Failure Studies OSHA Issues Paints, Coatings & Lead Abatement Premise Liability Product Failure & Liability Issues Safety Issues (Construction, Industrial & Product) Slips, Trips & Falls Software Engineering Studies Structural Steel & Building Failure Studies
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Jeremiah R Cole, PE

Cole Engineering Solutions

Cold Spring, Kentucky
Structural Engineering, Geotechnical Engineering - investigative engineering, forensic engineering
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Malay Ghose Hajra, PhD, PE, BC. GE, ENV SP, F. ASCE

Civil & Geotechnical Engineering Expert Witness

Encotech LLC

Metairie, Louisiana
Geotechnical Engineering, Civil Engineering - Civil Engineering, Soil & Foundation Distress, Soil settlement & heave, erosion scour and slope failure, seepage & flood damage, construction defects, Earthwork & Construction Materials, Pavement & roadway evaluation, Environmental compliance failure, wind & hurricane property damage, Laser scan GPR Drone, Data & AI
Experience: Dr. Malay Ghose Hajra offers more than 25 years of combined professional engineering, consulting, and academic experience in geotechnical, foundation, and forensic engineering. He has extensive working knowledge of complex projects funded by the Department of Transportation, US Army Corps of Engineers, and the private construction industry. Leveraging a deep understanding of soil mechanics and ground-structure interaction, Dr. Ghose Hajra has performed comprehensive failure analyses to determine root causes and contributing factors in complex civil engineering disputes. He provides clear and defensible technical opinions in litigation and arbitration, supported by well-structured, evidence-based expert reports. Dr. Ghose Hajra brings a balanced, unbiased, and scientifically grounded approach to every investigation. Skills: (i) Subsurface investigation & geotechnical design, (ii) highways & bridge foundations, (iii) Subsurface exploration & design for Hurricane and Stor...
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Mohamed A Younis, PE

Expert Subsurface Tunnel Underground Engineer

Subsurface & Tunnel Engineering, LLC

Gaithersburg, Maryland
Geotechnical Engineering, Engineering - Geotechnical, Subsurface, Underground, Tunnel, Substructures, Earthwork, Drilling
Provide expert litigation, arbitration, and mediation support, exclusively focusing on geotechnical engineering for complex, high-stakes subsurface, tunnel, and underground design and construction disputes involving complex projects. Recent engagements include but are not limited to: Providing expert litigation support and testimony on behalf of a county’s $1.6B transportation project in defense of claims brought by the general contractor (2025; ongoing); Provided expert litigation support to legal team hired by a top-tier design-build team to defend claims associated with a $1.4B transportation project (2022); Provided testimony on behalf of a contractor’s defense team in conjunction with a $2.4B transportation project (2018) Publications: Elisa Comis, Mohamed Younis, and Robert Goodfellow. Concurrent Segment Lining and TBM Design: A Coordinated Approach for Tunneling Success. Proceedings of World Tunnelling Congress (WTC) 2016, April 22-28, 2016, San Francisco, CA Moussa Wone, M...
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Mark J. Vanarelli, PhD, PE, IntPE, CEng MICE (UK), PG, BCEE, F. ASCE

Mining and Natural Resources Engineering Expert

COVAN Engineering LLC

CARLSBAD, New Mexico
Mining, Geotechnical Engineering - Mining Engineering, Environmental Engineering, Hydrogeology, Groundwater Engineering, Tunnel Engineering, Civil Engineering, Water Resources Engineering, Mineral Engineering, Geological Engineering, Project Management, Business Manager
Dr. Mark J. Vanarelli is a multi-disciplinary engineer and academic with broad expertise in natural resources and mining engineering. He has worked in industry, academia, and government for over thirty (35+) years. Previously, he was the Department Head of Civil Engineering and an Associate Professor in Mining Engineering at the University of Kurdistan (UKH) in Hewler (Erbil), Iraq. Dr. Vanarelli received his Bachelor of Science in geological sciences from Rutgers University in New Brunswick, New Jersey. He also holds a BS/ME Degree in Geological Engineering, a Master of Engineering (Engineer of Mines) degree and a Ph.D. degree in Mining and Earth Systems Engineering, all from the Colorado School of Mines in Golden, Colorado. Dr. Vanarelli is a licensed Professional Engineer in civil, mining, and geological engineering in Nevada and New Mexico. He also holds PE licenses in civil engineering in Colorado, New Jersey, and Pennsylvania. He is a licensed Professional Geologist in se...
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Michael Sheleheda, P.E.

Civil & Environmental Consultants, Inc.

Monroeville, Pennsylvania
Civil Engineering, Geotechnical Engineering - Stormwater, Erosion and Sediment Control, Hydrology, Landslides and Slope Stability, Foundations, Settlement, Retaining Walls, Geohazards, Pavement Evaluation and Remediation, Earthwork, Construction and Materials Testing, Americans with Disabilities Act (ADA) Accessibility
Mr. Sheleheda specializes in geotechnical and civil engineering. His experience includes providing geotechnical engineering design/expertise for all aspects of land development and construction. Projects have included establishing procedures for subsurface explorations, boring layout, soil sampling, and laboratory testing programs. Michael has authored geotechnical reports regarding deep, shallow, and specialty foundation construction for projects in the real estate, natural gas, manufacturing, mining and public client sectors. Also, he has investigated and provided remedial recommendations for landslides, carbonaceous (expansive) shale, retaining walls, karst, geohazards, and mine grouting/subsidence. His responsibilities have included preparing bid packages, authoring specifications, and construction level drawings, as well as preparing expert reports for the legal and insurance industries. In addition, Michael has experience in the preparation of erosion and sediment control pla...
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Zachary Henrichs, M.S., P.E., DFE

Civil Engineering and Construction Expert Witness

Coltex Consulting, LLC

Texas
Civil Engineering, Geotechnical Engineering - Construction Defects, Retaining Wall, Sewer, Trip and Fall, Grading, Detention Pond, Directional Drilling, ADA Compliance, Drainage, Irrigation Canal, Trenching, Expansive Soils, Erosion, Stormwater, Premise Liability, Sinkholes, Foundation Movement, Utilities, Slip and Fall, Pavement Distress
Zachary R. Henrichs, M.S., P.E., DFE is a licensed professional engineer serving Arizona, Colorado, Texas, and Wyoming. He has conducted numerous forensic engineering investigations, including civil cases involving personal injury and property damages. His experience in litigation support has encompassed claims arising from premises liability and construction defects. Mr. Henrichs has served as an expert witness and provided testimony for both plaintiff and defense counsels in matters of civil and geotechnical engineering. Mr. Henrichs has conducted investigations for cases involving pavement performance, pedestrian and vehicular traffic safety, soil stability, slope failure, sinkholes, frost-heave, unsuitable subgrade, inadequate grading and drainage, moisture intrusion, irrigation canal failure, stormwater management, utility damage, directional drilling/boring, underground pipe failures, slip-and-falls (snow and ice accumulation or mitigation), trip-and-falls, workplace safety ...
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Yasser M. Abdelhamid, PhD

Construction Defect/Geotechnical Expert Witness

Bryant Consultants

Carrollton, Texas
Geotechnical Engineering, Construction Defects - Civil Engineering, Expansive Soil, Foundation Analysis and Design, Settlement, Heave, Pavement, Retaining Walls, Slope Stability, Numerical Modeling, Seepage, Drainage, Erosion, Hydrology, Seismic, Earthquake Engineering, Laboratory Testing, Structural Engineering, Construction Defects
Dr. Abdelhamid has been designated as an expert witness for many litigated cases. Dr. Abdelhamid is heavily involved in performing forensic geotechnical and geophysical investigations for several problematic foundations, pavements, retaining walls and slopes. He devises protocols for geotechnical and geophysical testing, in-situ long-term monitoring, lab testing and analysis. He is also heavily involved in preparing and reviewing proposals and expert reports for geotechnical exploration and litigated and non-litigated forensic projects. Dr. Abdelhamid is responsible for meeting clients during the proposal phase, the investigation phase and after releasing the final report to ensure client satisfaction. Dr. Abdelhamid has performed work at wide variety of forensic projects. He evaluated numerous residential buildings from single family house to a whole subdivision. Dr. Abdelhamid also evaluated many commercial, school, hospital, garage buildings. He performed stability analysis for v...
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Frederick B. Kuhnow, PE

Expert Geo-Structural Engineer

GEO-ENGINEERS INTERNATIONAL

Murray, Utah
Geotechnical Engineering, Structural Engineering - Explosives Engineering, Rock Blasting, Vibrations, Demolition Blasting, Landslides, Settlement, Seismic Engineering, Mining, Retaining Wall, Shoring Design, Slope Stabilization, Foundation Engineering, Geological Engineering, Tunneling, Ground Improvement, Deep Foundations, UG Nuclear Waste Repositories, Slope Stability, Construction
Mr. Kuhnow has over 26 years of multidisciplinary experience with focus in geo-structural engineering, soil mechanics, rock mechanics, seismic analysis and design, tailing impoundments, hydropower dams, water dams and reservoirs, surface and underground mining engineering. His project experience includes detailed engineering design of earthen structures, seismic/structural design, geotechnical characterization (surface and underground), slope stabilization, design of rock anchoring systems, rock blasting, ground improvement, reinforced concrete foundations, geohazard evaluations, deep foundations, ground control, tunneling and underground construction. Licensed in 11 sates including AZ, CA, CO, FL, KY, MI, NV, NY, OR, PA, and UT. Mr. Kuhnow has published several technical journals and has peer-reviewed articles for industry professional societies nationally and internationally.
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Michelle L Macauley

Geotechnical Engineer and Trenchless Expert

Macauley Expert Services

Ritzville, Washington
Geotechnical Engineering, Civil Engineering - trenchless, drilling, tunnel, tunneling, pipeline, HDD, microtunnel, auger, boring, pipe, ramming, sinkhole, geology, construction, DSC, differing, horizontal, directional
I am a nationally recognized Geotechnical Engineer and Trenchless Expert. I have been involved with litigation matters involving construction issues related to pipeline installations using trenchless technologies. Qualifications and Accreditation M.S., Geological Engineering, University of Alaska, Fairbanks, 1996 B.S., Geological Sciences, University of Washington, 1994 California: Professional Engineer (Civil), Cert. No. C74224 Washington: Professional Engineer (Civil), Lic. No. 37412 Alaska: Professional Engineer (Civil), Lic. No. AELC11636 Texas: Professional Engineer (Civil), Lic. No. 160143 Memberships and Professional Organizations American Society of Civil Engineer (ASCE) • Executive Committee, Pipeline Division, Board member, 10/2024 to present • Manual of Practice (MOP) for Introduction to Trenchless Technologies (new MOP), Committee chair, 9/2024 to present • MOP for Horizontal Directional Drilling (MOP 108) committee member, 2021 to present • MOP for the Direct Steera...
You can also find Geotechnical Engineering Expert Witnesses in:
Colorado, Florida, Georgia, Kentucky, Louisiana, Maryland, New Mexico, Pennsylvania, Texas, Utah, and Washington