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

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Maritime

Matthew Fenton, B.Sc., CEng, FIMarEST, MNI, NAMS-CMS, Captain USN (Ret.)

Marine Engineering Expert Witness

Vallejo, CA43 years+ yrs★ 7.0

Matthew Fenton, B.Sc., CEng, FIMarEST, MNI, NAMS-CMS, Captain USN (Ret.) is a marine engineering expert specializing in maritime litigation. With a career spanning marine engineering casualties, shipbuilding, and marine insurance, he brings a comprehensive understanding of complex maritime operations to his litigation work. His work centers on investigating marine engineering casualties, assessing hull and machinery damage, and evaluating whether industry standards were met in shipbuilding and repair. Mr. Fenton has been retained in numerous expert witness and consulting engagements globally, involving marine engineering casualties, personal injury, and offshore oil and gas cases. His Bachelor of Science from California Maritime Academy, along with an Unlimited U.S. Coast Guard Chief Engineer's License, 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 maritime operations.

Engineering
Construction

Philip A Tenorio

Expert Witness

Edgewood, New Mexico30 years+ yrs★ 6.9

Philip A Tenorio, Executive MBA, LEED AP is a construction and construction engineering expert specializing in construction litigation. With a career encompassing construction failures, investigations, and management, he brings a comprehensive framework to litigation work. His work centers on investigating construction failures, assessing construction materials, and evaluating whether construction scheduling meets industry standards. Mr. Tenorio has been retained in numerous expert witness and consulting engagements across the United States, involving construction failures, construction management, and water harvesting systems. His Executive Masters of Business Administration in Construction Engineering, along with his LEED AP 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 responsibility in disputes involving construction operations.

Construction Engineering
Construction contract disputes

Mr Howard Klein, FCIOB, FinstCES, FCIArb, MRICS

Quantity Surveyor (Building and Civil Engineering)

Warrington★ 6.9

Mr Howard Klein, FCIOB, FinstCES, FCIArb, MRICS is a construction contract disputes expert specializing in cost assessment and delay analysis. With a career deeply rooted in building and civil engineering, he brings a comprehensive perspective to litigation work. His work centers on investigating contract compliance, assessing cost overruns, and evaluating whether project delays align with industry standards. Mr. Klein has been retained in numerous expert witness and consulting engagements across the UK and internationally, involving construction contract disputes and civil engineering projects. His qualifications as a Fellow of the Chartered Institute of Building, Fellow of the Institution of Civil Engineering Surveyors, Fellow of the Chartered Institute of Arbitrators, and Member of the Royal Institution of Chartered Surveyors 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 construction and engineering projects.

Cost assessmentDelay analysisExpert witness testimony+1
Safety Engineering

Dr. C.J. Abraham, P.E., PhD, DSc, JD, FRSC, FTI, DEE, IH, BCEE

Safety Engineering Expert Witness

Great Neck, NY★ 6.9

Dr. C.J. Abraham, P.E., PhD, DSc, JD, FRSC, FTI, DEE, IH, BCEE is a safety engineering expert specializing in product liability and personal injury litigation. With a multidisciplinary background in engineering, law, and science, he brings a comprehensive analytical framework to his litigation work. His work centers on investigating construction accidents, assessing compliance with OSHA and ADA standards, and evaluating whether safety protocols were followed in industrial settings. Dr. Abraham has been retained in numerous expert witness and consulting engagements across the United States, involving construction accidents, industrial hygiene, and human factors. His PhD in Safety Engineering, along with certifications such as P.E., DEE, and BCEE, 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 safety engineering and product liability.

Product LiabilityPersonal InjuryConstruction Accidents+2
Structural Engineering

Mr Neil Bonser, APTC (Civil Engineering), MIE Aust, CP Eng.

Consulting Structural Engineer

St Leonards★ 6.9

Mr Neil Bonser, APTC (Civil Engineering), MIE Aust, CP Eng. is a Structural Engineering expert specializing in multi-story building engineering and cost-effective design. With a career encompassing civil engineering and project management, he brings a strategic perspective to his litigation work. His work centers on investigating structural integrity, assessing compliance with engineering standards, and evaluating whether project management practices meet industry benchmarks. Mr. Bonser has been retained in numerous expert witness and consulting engagements across Australia, involving complex structural engineering and civil engineering cases. His APTC in Civil Engineering, along with his MIE Aust membership and CP Eng. 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 responsibility in disputes involving structural and civil engineering matters.

Civil EngineeringProject ManagementCost-effective Design+1
Electrical Infrastructure Analysis

Simon Barrows CEng FCIBSE MSLL MAE MEWI MCIArb

Chartered Electrical Engineer & Expert Witness

Jersey★ 6.9

Simon Barrows CEng FCIBSE MSLL MAE MEWI MCIArb is a Chartered Electrical Engineer & Expert Witness specializing in electrical infrastructure analysis and forensic engineering. With a career spanning technical auditing, mediation, and dispute resolution, he brings a comprehensive framework to litigation work involving complex electrical systems. His work centers on investigating electrical failures, assessing compliance with safety standards, and evaluating whether industry practices have been adhered to. Mr. Barrows has been retained in numerous expert witness and consulting engagements across the UK and internationally, involving cases such as patent disputes, electrical safety compliance, and infrastructure defects. His Chartered Electrical Engineer designation from the Engineering Council, along with his memberships in professional bodies like the Chartered Institution of Building Services Engineers and the Expert Witness Institute, 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 electrical engineering and safety compliance.

Expert Witness TestimonyForensic EngineeringMediation and Arbitration+3
Mechanical Engineering

Dwight Hinkel

PE

Bismarck, ND★ 6.9

Dwight Hinkel specializes in engineering with extensive experience in the design and development of complex machinery and vehicles, including armored military vehicles such as the Bradley Fighting Vehicle. As the founder of Applied Engineering, Inc., he oversees the design of products and tooling for clients in agriculture and manufacturing, including John Deere and Caterpillar. His expertise encompasses cause of loss analysis, damage assessment, and repair scope for various mechanical systems. Hinkel holds multiple state professional engineering licenses, enhancing his qualifications in forensic engineering matters.

Aviation & Aerospace

Michael R. Henderson

Expert Witness

Danville, CA25 years+ yrs★ 6.9

Michael R. Henderson, MS, MBA, BS is an Aviation & Aerospace expert specializing in aircraft accident and incident litigation. With a career spanning pilot training, aircraft maintenance, and crash forensics, he brings a multidisciplinary framework to his litigation work. His work centers on investigating aircraft accidents, assessing aviation safety protocols, and evaluating whether maintenance standards were met. Mr. Henderson has been retained in numerous expert witness and consulting engagements across the United States, involving aircraft crashes, aviation safety, and general aviation disputes. His MS in Physics, along with an MBA from Harvard, 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 aviation safety and aircraft operations.

Engineering
Chemistry & Chemicals

Martin U Schlegel, Dr. rer.-nat. (Equivalent to PhD)

Principal Consulting

Warrendale, PA15 years+ yrs★ 6.9

Martin U Schlegel, Dr. rer.-nat. is a Chemistry & Chemicals expert specializing in failure analysis. With a career encompassing sports technology, material fatigue, and protective materials, he brings a multidisciplinary approach to litigation work. His work centers on investigating construction defects, assessing material failures, and evaluating whether industry standards have been met. Mr. Schlegel has been retained in numerous expert witness and consulting engagements across Europe and Australia, involving sports surfaces, synthetic turf, and recreational coatings. His Dr. rer.-nat. in Chemistry, along with his Dipl.-Chem., 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 technical textiles and surface coatings.

Failure AnalysisSports TechnologyAdvanced Materials+5
Traffic Engineering

James C. Jeffery III, PE, PTOE

Expert Witness

Los Gatos, California35+ years+ yrs★ 6.9

James C. Jeffery III, PE, PTOE is a traffic engineering expert specializing in engineering-related litigation. With a career spanning over three decades, he brings a seasoned perspective to his litigation work. His work centers on investigating traffic patterns, assessing engineering compliance, and evaluating whether safety standards have been met. Mr. Jeffery has been retained in numerous expert witness and consulting engagements across California, involving traffic engineering and civil engineering cases. His BS in Engineering Management from San Jose State College, along with certifications as a Traffic Engineer (CA Reg. #1179) and Civil Engineer (CA Lic. #36644), 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 traffic engineering issues.

Engineering
Railroad Engineering

Thomas E. Johnson, P.E.

Principal Engineer and Consultant

St. Louis Park, MN★ 6.8

Thomas E. Johnson, P.E. is a railroad and metallurgical engineering expert specializing in accident reconstruction and product liability litigation. With a career spanning railroad engineering design, metallurgical engineering, and expert witness consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating component failures, assessing adherence to industry regulations, and evaluating whether design specifications were met. Mr. Johnson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to railroad equipment, metallurgical components, and product liability. His Bachelor of Science in Metallurgical Engineering, along with his certification as a Certified Accident Reconstructionist (ACTAR #1517), 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 railroad engineering and metallurgical failures.

Metallurgical EngineeringAccident ReconstructionProduct Liability
Project Management

Aidan Cassidy, BSc (Hons), CEng, MICE

Associate Director, Delay

Chorley★ 6.8

Aidan Cassidy, BSc (Hons), CEng, MICE is a construction dispute resolution expert specializing in delay analysis and contract management. With a career spanning project management, commercial roles, and engineering consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating programming discrepancies, assessing extension of time claims, and evaluating whether contractual obligations were met. Mr. Cassidy has been retained in numerous expert witness and consulting engagements across the UK, involving complex construction projects in the buildings, energy, and infrastructure sectors. His BSc (Hons) in Civil Engineering, along with his Chartered Engineer designation from the Engineering Council, 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 construction delays and contract breaches.

Construction Dispute ResolutionDelay AnalysisContract Management+1
Software Engineering

Joshua Goshorn

Expert Witness

Carmel, California25 years+ yrs★ 6.8

Joshua Goshorn is a Software and Electrical Engineering expert specializing in infringement and prior art litigation. With a career spanning software development, digital communications, and embedded systems, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating source code integrity, assessing digital signal processing methods, and evaluating whether wireless communication standards have been met. Mr. Goshorn has been retained in over 100 expert witness and consulting engagements across the United States, involving cases related to video streaming, set top boxes, and mobile applications. His M.S. in Electrical Engineering from UCSD, along with his candidacy for a Philosophy degree in Electrical Engineering, 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 in disputes involving computer networks and digital communications.

Electrical Engineering
Structural Engineering

Stephen V. DeSimone, PE

Chairman and CEO

New York, New York★ 6.8

Stephen V. DeSimone, PE is a structural engineering expert specializing in forensic engineering and expert witness services. With a career encompassing leadership in engineering innovation and complex project management, he brings a strategic perspective to litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating the impact of design decisions on building performance. Mr. DeSimone has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile structural engineering cases and complex building projects. His MS in Civil Engineering from Columbia University, along with his LEED Accredited 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 structural integrity and engineering practices.

Façade ConsultingBuilding Envelope ConsultingSeismic Engineering+3
Mechanical Engineering

Douglas E Bell

Expert Witness

Austin, Texas55 years+ yrs★ 6.8

Douglas E Bell is a Mechanical and Civil Engineering expert specializing in forensic engineering. With a career spanning diverse engineering disciplines, he brings a multifaceted perspective to litigation work. His work centers on investigating mechanical failures, assessing civil infrastructure integrity, and evaluating whether engineering standards were met. Mr. Bell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to water treatment, municipal facilities, and construction management. His BS in Mechanical Engineering from the University of Texas - Austin reinforces 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 engineering and infrastructure projects.

Civil Engineering
Structural Inspections

Dominic Sparkes

Chartered Engineer

Merseyside★ 6.8

Dominic Sparkes, BEng (Hons), CEng, MICE is a civil and structural engineering expert specializing in expert witness testimony for structural engineering disputes. With a career spanning civil engineering design, structural inspections, and building code compliance, he brings a comprehensive understanding of structural integrity and compliance to his litigation work. His work centers on assessing structural integrity, evaluating compliance with building codes, and determining causation of structural failures. Mr. Sparkes has been retained in numerous expert witness and consulting engagements across the UK, involving structural engineering disputes in residential, commercial, and industrial sectors. His BEng (Hons) in Civil Engineering with Architecture, along with his Chartered Engineer status and membership in the Institution of Civil Engineers, 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 structural integrity and compliance issues.

Civil Engineering DesignStructural Engineering DesignExpert Witness Testimony+1
Forensic Engineering

ExpertOZ009

★ 6.8

ExpertOZ009 is a forensic engineering expert specializing in mechanical failures and accident investigation. With a career encompassing mechanical and manufacturing engineering, he brings a robust analytical framework to litigation work. His work centers on investigating mechanical failures, assessing accident causation, and evaluating whether manufacturing processes meet industry standards. Mr. ExpertOZ009 has been retained in numerous expert witness and consulting engagements across Australia, involving cases in steel manufacturing, mechanical testing, and equipment failure analysis. His Bachelor of Mechanical Engineering in Manufacturing and Engineering Management from RMIT University, along with certifications in Welding, Construction Induction, Confined Space Training, and Issuing Work Permits, 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 manufacturing processes.

Mechanical FailuresAccident InvestigationFailure Analysis+3
Mechanical Engineering

Brent Reardon

★ 6.7

Brent Reardon specializes in providing expert witness services related to wind turbine mechanical systems, particularly focusing on drive-train components such as gears, gearboxes, and bearings. With extensive experience in root cause analysis, damage assessment, and manufacturing processes, he has addressed major technical issues in the wind power industry, including those associated with gearboxes and bearing systems. His background includes significant roles in vendor quality audits and due diligence for turbine assessments, ensuring reliability and efficiency across a fleet of over 7,000 turbines. Reardon holds multi-state PE licenses, underscoring his qualifications in engineering and technical consulting.

Failure AnalysisIndustrial MachineryExpert Witness
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