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Expert Witness Directory

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Browse our verified directory of expert witnesses spanning medicine, engineering, finance, and dozens of specialized fields.

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Showing 19–36 of 371 experts

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Engineering
JN

Jaton N. Wince, Ph.D.

Forensics Engineer | Continuum Mechanics Expert | National Security Technologist

The Woodlands, TX25+ years+ yrs★ 9.1

Jaton N. Wince, Ph.D. is a forensic engineering expert specializing in mechanical failure analysis and biomechanics of traumatic injury. With a career spanning aerospace, defense, and computational science, he brings a multidisciplinary engineering perspective to litigation work. His work centers on investigating mechanical and materials failures, assessing blast-structure interactions, and evaluating whether engineering standards were met in complex technical disputes. Dr. Wince has been retained in numerous expert witness and consulting engagements across the United States, involving gas explosions, structural damage, and mechanical system failures in residential, commercial, and industrial contexts. His Ph.D. in Engineering, along with certifications such as Level III DAWIA in Systems Planning and ASME Geometric Dimensioning and Tolerancing Professional Certification, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving forensic engineering and mechanical failures.

Failure AnalysisMechanical Failure AnalysisBiomechanics of Traumatic Injury+6
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Civil Engineering
RP

Randy P. Wall

Snow Sports Expert and Consulting

Boise, ID40+ years+ yrs★ 9.1

Randy Wall, PE, MPA is a snow sports safety and risk management expert specializing in litigation involving skiing, sledding, snow tubing, and winter sporting activities. With a career spanning snow sports industry operations, civil engineering, and regulatory compliance, he brings a multifaceted perspective to analyzing liability and operational standards in snow sports-related cases. His work centers on investigating snow sports risk management practices, assessing ski area operations, and evaluating whether industry standards of care have been met. Mr. Wall has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to snow sports facilities, safety practices, and ski area operations. His Master of Public Administration in Public Administration, along with certifications such as Level 1, 2, & 3 Certified Telemark Ski Instructor and USSA Certified L100 Race Coach and Official, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving snow sports safety and risk management.

Structural EngineeringLand DevelopmentResidential Structural Engineering+2
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Chemistry & Chemicals
JK

Jihye Kim (Hanson)

Ph.D, PMP

Houston, TX15+ years+ yrs★ 9.1

Jihye Kim (Hanson), Ph.D, PMP is a chemical engineering expert specializing in product liability and safety, patent disputes, and toxicology. With a career spanning product development, chemical safety, and intellectual property across the oil & gas, water treatment, and agriculture sectors, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating product failures, assessing chemical exposure risks, and evaluating whether regulatory compliance was met. Ms. Kim has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the oil & gas, water treatment, and agriculture industries. Her Doctorate in Chemical Engineering from Texas Tech University, along with her Project Management Professional (PMP) Certification, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving chemical safety and product liability.

Chemical EngineeringProduct Development & FailuresProduct Liability & Safety+3
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Engineering and Risk Management
M“

Michael “Troy” Richardson

Design or CAD/CAM Engineering, Technical Writer, Manufacturer, Builder, Machinist & Certified Welder

Santaquin, Utah40 years+ yrs★ 9.1

Michael Troy Richardson, BS, MA, MS is an aerial adventure and amusement attraction safety expert specializing in litigation involving zipline and trampoline park accidents. With a career spanning engineering, technical writing, and product development, he brings a multi-disciplinary perspective to analyzing safety standards and operational compliance in the amusement industry. His work centers on investigating accident causation, assessing compliance with safety standards, and evaluating whether operational negligence contributed to incidents. Mr. Richardson has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the aerial adventure, zipline, and amusement park industries. His MS in Engineering & Technology, along with certifications such as the National Board Certified Pressure Vessel Welder, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving amusement ride safety and operational standards.

Design or CAD/CAM EngineeringTechnical WritingManufacturing+3
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Mechanical Engineering
WS

William Stamps Howard, Ph.D.

President

Charleston, SC35+ years+ yrs★ 9.1

William Stamps Howard, Ph.D. is a Mechanical Engineering and Industrial Automation expert specializing in intellectual property, safety engineering, and the design and development of industrial machinery. With a career spanning mechanical design, electrical design, software development, and industrial automation, he brings a multidisciplinary perspective to litigation work. His work centers on investigating mechanical failures, assessing compliance with safety standards, and evaluating whether design specifications meet contractual obligations. Mr. Howard has been retained in numerous expert witness and consulting engagements across the United States, involving patent, trade secret, tort, and contract cases. His Doctor of Philosophy in Robotics & Grasping, along with his Professional Engineer certifications in GA, NJ, and AL, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation and responsibility in disputes involving mechanical and industrial systems.

Intellectual PropertyMechanical DesignElectrical Design+3
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solid state
EC

Emmanuel Coffy

Attorney-At-Law & Certified Mediator

Maplewood, NJ30 years+ yrs★ 9.1

Emmanuel Coffy, MSEE, JD – Attorney-At-Law & Certified Mediator - USPTO Reg. No. 63,615 is a patent law expert specializing in patent infringement assessments and litigation support. With a career spanning solid-state electronics, semiconductor devices, and microelectronic circuits, he brings a nuanced understanding of technical complexities to his litigation work. His work centers on conducting expert interviews, drafting legal documents, and evaluating patent validity and infringement. Mr. Coffy has been retained in numerous expert witness and consulting engagements across the United States, involving patent infringement and intellectual property disputes. His J.D. in Intellectual Property from Seton Hall University School of Law, along with his registration with the United States Patent and Trademark Office (Reg. No. 63,615), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of infringement and validity in disputes involving advanced technologies and intellectual property rights.

computer networksdigital engineeringcopyright infringement+12
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Engineering
MH

Matthew Hartley

Nationally Recognized Lighting Expert

Arvada, CO★ 9.0

Matthew Hartley is a lighting design and engineering expert specializing in photometry and lighting design litigation. With a career encompassing architectural engineering, technical marketing, and project management, he brings a multifaceted perspective to his litigation work. His work centers on investigating lighting installations, assessing fixture construction, and evaluating whether lighting standards have been met. Mr. Hartley has been retained in numerous expert witness and consulting engagements across the United States, involving street and area lighting, premises liability lighting, and security lighting cases. His Bachelor of Science in Architectural Engineering, along with certifications such as Lighting Certified (LC) and MIES, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving insufficient lighting and visibility issues.

ArchitecturePhotometryLighting Design+13
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Maritime
AA

Ayman Alakkawi

Consulting Marine Engineer & Safety Expert

Hoboken, New Jersey23 years+ yrs★ 9.0

Ayman Alakkawi, Chief Marine Engineer, Chartered Marine Engineer (CEng, UK) is a marine engineering and safety expert specializing in vessel integrity, regulatory compliance, and accident investigation. With a career that spans shipboard engineering, academic leadership, and regulatory consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating vessel casualties, assessing regulatory compliance, and evaluating engineering failures. Mr. Alakkawi has been retained in numerous expert witness and consulting engagements across North America and internationally, involving complex technical disputes in the maritime, offshore oil & gas, and renewable energy sectors. His MSc in Engineering & Management in Marine Engineering, along with certifications such as ISM/ISPS/MLC Lead Auditor and IMO Accident Investigation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving marine engineering and vessel operations.

EngineeringMarine Surveys and AuditsMarine Assurance & DP+6
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Accident Reconstruction
JJ

Jose J. Granda, Ph.D, P.E.

Professor of Mechanical Engineering

Davis, California41 years+ yrs★ 9.0

Jose J. Granda, Ph.D, P.E. is an accident reconstruction expert specializing in forensic engineering and accident reconstruction using computer simulations. With a career encompassing vehicle dynamics, computer modeling, and mechatronics, he brings a multidisciplinary approach to litigation work. His work centers on investigating vehicle dynamics, assessing accident biomechanics, and evaluating failure analysis. Mr. Granda has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to vehicle dynamics, workplace accidents, and mechanical engineering. His Ph.D. in Mechanical Engineering, along with EDR Certification, Tech 1, Tech II, and EDR Analysis Certification, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving accident reconstruction and vehicle dynamics.

EngineeringVehicle Dynamics and DesignComputer Modeling and Simulation+8
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Civil Engineering
CR

Christopher R. Hanstad

P.E., CFM, MSCE

Champaign, IL17 years+ yrs★ 9.0

Christopher R. Hanstad, P.E., CFM, MSCE is a civil engineering expert specializing in FEMA floodway violations and hydrologic and hydraulic analysis. With a career encompassing floodplain modeling, stormwater analysis, and flood loss avoidance studies, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating FEMA floodway compliance, assessing stormwater management practices, and evaluating flood damage assessment models. Mr. Hanstad has been retained in numerous expert witness and consulting engagements across Illinois, Indiana, Kentucky, and Wisconsin, involving FEMA floodway violations and floodplain modeling cases. His Master of Science in Civil Engineering, along with his Certified Floodplain Manager designation and professional engineering licenses in IL, IN, KY, and WI, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving hydrologic and hydraulic engineering.

FEMA Floodway ViolationsStormwater AnalysisFlood Loss Avoidance Studies+7
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Civil Engineering
DT

David T. Williams

Ph.D., P.E., P.H., CPESC, CFM, F.ASCE, F. EWRI, D.WRE

Commerce City, CO45 years+ yrs★ 9.0

David T. Williams, Ph.D., P.E., P.H., CPESC, CFM, F.ASCE, F. EWRI, D.WRE is a water resources engineering expert specializing in sedimentation engineering and floodplain management litigation. With a career spanning civil engineering, hydrology, and hydraulic design, he brings a comprehensive understanding of complex water systems and their legal implications. His work centers on investigating sediment transport dynamics, assessing floodplain management practices, and evaluating whether engineering standards have been met in water resource projects. Mr. Williams has been retained in numerous expert witness and consulting engagements across the United States, involving FEMA floodplain studies, erosion control, and hydraulic engineering disputes. His Ph.D. in Civil Engineering, along with certifications such as Certified Professional in Erosion and Sediment Control (CPESC) and Certified Floodplain Manager (CFM), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving river hydraulics, sedimentation, and flood risk management.

HydrologyWater Resources EngineeringSedimentation Engineering
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Fire and Engineering
DG

Daniel Gottuk PhD, PE

President of Gottuk Engineering

Annapolis, MD31 years+ yrs★ 9.0

Daniel Gottuk PhD, PE is a fire and engineering expert specializing in fire detection, fire dynamics, and forensics. With a career spanning fire protection engineering, forensic analysis, and national code development, he brings a technically robust framework to litigation work. His work centers on investigating fire origins, assessing fire protection systems, and evaluating whether fire dynamics align with industry standards. Mr. Gottuk has been retained in numerous expert witness and consulting engagements across the United States, involving shipboard, residential, and industrial fire cases. His PhD in Mechanical Engineering, along with his Professional Engineer licenses in AL, MD, and RI, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving fire dynamics and protection systems.

Fire detectionFire dynamicsForensics
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Metallurgy
ES

Edward S. George

C.W.I., P.E.

St. Augustine, FL38 years+ yrs★ 9.0

Edward S. George, C.W.I., P.E. is a metallurgical and materials engineering expert specializing in forensic engineering and materials failure analysis. With a career spanning forensic science, quality assurance, and coatings inspection, he brings a multidisciplinary perspective to litigation work. His work centers on investigating material failures, assessing compliance with industry standards, and evaluating whether construction defects have occurred. Mr. George has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, construction defects, and industrial material failures. His M.S. in Materials Science and Engineering, along with certifications as a Certified Welding Inspector and Certified AMPP Coating Inspector Level 1, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving metallurgical failures and material science issues.

Failure AnalysisMaterials ScienceForensic Engineering
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Civil Engineering
JB

Jason Bennecke

Civil Engineering Expert Witness

Cherry Valley, CA35+ years+ yrs★ 9.0

Jason Bennecke, PE, MBA, PMP is a civil engineering expert specializing in transportation, infrastructure, and construction litigation. With a career spanning civil engineering, transportation design, and construction management, he brings a multifaceted perspective to litigation work. His work centers on investigating roadway design and safety, assessing construction defects, and evaluating whether engineering standards of care have been met. Mr. Bennecke has been retained in numerous expert witness and consulting engagements throughout Southern California, involving transportation engineering, roadway design, and construction defect cases. His MBA in Corporate Management, along with his California Civil PE, PMP, and General Building Contractor licenses, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving transportation engineering and construction practices.

Construction EngineeringTransportation engineering & roadway designCaltrans standards+7
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Human Factors and Engineering
KA

Kevin A. Rider

PhD, PE, CPE

Delaware, OH24 years+ yrs★ 9.0

Kevin A. Rider, PhD, PE, CPE is a forensic human factors expert specializing in litigation support for cases involving motor vehicle crashes, slips, trips, and falls, and workplace incidents. With a career spanning human factors, ergonomics, and engineering, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating motor vehicle accidents, assessing the adequacy of warnings and product designs, and evaluating whether workplace safety standards were met. Mr. Rider has been retained in numerous expert witness and consulting engagements across the United States, involving motor vehicle accidents, workplace safety, and premises liability. His Ph.D. in Industrial & Operations Engineering (Human Factors), along with certifications as a Certified Professional Ergonomist and Professional Engineer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving human factors and ergonomics.

Human FactorsErgonomics
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Chemical Engineering
CK

Chris K. Haas

Corporate Scientist/Consultant

Saint Paul, MN22 years+ yrs★ 9.0

Chris K. Haas, PhD is a plastics, materials, and testing expert specializing in intellectual property support and failure mode analysis. With a career encompassing polymer processing, security document features, and materials engineering, he brings a multifaceted perspective to litigation work. His work centers on investigating materials failure, assessing patent infringement, and evaluating security document integrity. Mr. Haas has been retained in numerous expert witness and consulting engagements across the United States, involving product liability and patent infringement cases. His Doctor of Philosophy (PhD) in Chemical Engineering, along with certifications such as Six Sigma Green Belt and Advanced Leadership Development Program, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving polymer and adhesive systems.

ManufacturingPolymer Processing, Extrusion, & CoatingIntellectual Property Generation & Maintenance+6
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Subsurface investigation & geotechnical design
MG

Malay Ghose Hajra, Ph.D., P.E., BC. GE, ENV SP, F.ASCE

Civil & Geotechnical Engineering Expert Witness

New Orleans, Louisiana★ 9.0

Malay Ghose Hajra, Ph.D., P.E., BC. GE, ENV SP, F.ASCE is a Civil & Geotechnical Engineering expert specializing in subsurface investigation and geotechnical design. With a career encompassing diverse roles in civil engineering, he brings a multifaceted perspective to litigation work. His work centers on investigating soil and foundation distress, assessing erosion and flood control measures, and evaluating construction defects. Mr. Ghose Hajra has been retained in numerous expert witness and consulting engagements across the Gulf Coast, involving complex geotechnical and civil engineering cases. His Ph.D. in Civil (Geotechnical & Geo-Environmental) Engineering, along with certifications such as EnvisionTM Sustainability Professional and Board-Certified Geotechnical Engineer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving soil settlement, flood damage, and construction defects.

Highways & bridge foundationsSubsurface exploration & design for Hurricane and Storm Damage Risk Reduction systemsLevee slope stability, settlement, and seepage+9
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Mechanical Engineering
DM

David M. Hallman, M.S., P.E.

Consulting Mechanical / Materials Engineer

Maple Grove, MN30+ years+ yrs★ 9.0

David M. Hallman, M.S., P.E. is a mechanical engineering expert specializing in accident reconstruction and forensic investigations. With a career encompassing materials research, crash testing, and forensic mechanical analysis, he brings a multidisciplinary approach to litigation work. His work centers on investigating mechanical failures, assessing crash dynamics, and evaluating causation in vehicle-related incidents. Mr. Hallman has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as vehicle mechanical failures, crash reconstructions, and fire investigations. His Master of Science in Materials Science and Engineering, along with certifications such as Certified Fire and Explosion Investigator and Certified Vehicle Fire Investigator, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving mechanical and vehicle systems.

Accident ReconstructionRoot cause analysis of mechanical incidents and failuresForensic Mechanical Engineering Investigations+10
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