Geotechnical Expert Witnesses

California

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...

St Petersburg, Florida

Construction Defects, Structural Engineering - Building Envelope, Building Code, Forensic Engineering, Concrete, Stucco, Geotechnical, Masonry, Flatwork, Asphalt Paving, Exterior Cladding, Siding, OSHA - Construction Safety, Milestone Inspections, Roofing, Structural Collapse, Wind Storm Damage, Painting, Waterproofing, Water Intrusion, Condominiums

Andrew Schrader is a Florida Board-recognized Structural Engineer, Special Inspector and Certified General Contractor. His background encompasses working as a consulting engineer on building envelope, construction defect and forensic engineering projects. He also serves the State of Florida as a First Responder and engineering advisor for its Urban Search and Rescue Task Force. His 20+ year career includes work on buildings made of structural steel, reinforced concrete, masonry, stucco/EIFS over wood frame, and re-roofing. He has guest-lectured at the University of South Florida's College of Engineering, the New York State Department of Homeland Security, and FDIC International (Fire Department Instructor's Conference). Andrew has been deployed by the State of Florida for search and rescue operations for six separate hurricane events as well as the Champlain Tower (Surfside) condominium building collapse. While earning his Master’s degree at the University of South Florida, Mr...

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...

East Lansing, Michigan

Civil Engineering, Environmental Engineering - Groundwater, Wastewater, Remediation, Bioremediation, Modeling, Stormwater, Hydrogeology, Hydrology, Geotechnical, Microbiology, Contamination, Geochemistry, Construction, Demolition, Home Inspection

Dr. TImothy Mayotte is President and CEO of Mayotte Design & Engineering, PC, a civil and environmental engineering design firm based in East Lansing, Michigan. Since 2003, MD&E has proved itself a highly responsive design, advocate and risk management partner for clients in the energy, automotive, commercial printing, textile, pharmaceutical, chemical, real estate, and legal industries. MD&E offers a variety of services, specializing in the design and engineering of treatment solutions for wastewater, groundwater, stormwater and contaminated soil, sediment and air. Dr. Mayotte has assisted clientele across globe, having completed projects in: Alabama; Arizona; California; Colorado; Connecticut; Illinois; Indiana; Iowa; Kansas, Massachusetts; Michigan; Missouri, Mississippi; Nevada; New Jersey; New York; Ohio; Oregon; Tennessee; Texas; Vermont; Virginia; West Virginia; Washington, Wisconsin; Wyoming; British Columbia; Ontario; Quebec; Brazil; China; Czech Republic; Italy; and Mex...

Owosso, Michigan

Civil Engineering, Hydrology - Building science, Hydrology, Water leaks, Auto impact assessment, Moisture Intrusions, Drainage, On-site sewage disposal, Construction defects, Flooding, Roofing, Foundations, Geotechnical, Storm damage assessment

Forensic engineer with experience in a wide variety of activities within the civil engineering discipline, including land planning, surveying, hydrology and hydraulics, geotechnical and foundations and on-site sewage disposal facilities. Licensed Professional Engineer in Alabama, Florida, Illinois, Indiana, Iowa, Louisiana, Michigan, Ohio, Pennsylvania, Texas, West Virginia, Wisconsin. Testified as an expert at arbitrations, depositions, and trials. Subjects included drainage and flooding, water intrusions, pipe leaks and structural damage to buildings from vehicle impacts, tree impacts and storms.

Texas

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...