Witnessly
Expert Witness Directory

Find the Right Expert for Every Case

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

Showing 451–468 of 531 experts

Clear filters
Engineering

Jon Washington, BSME, MBA, PMP

Expert Witness

Clinton, Ohio30 years+ yrs★ 6.7

Jon Washington, BSME, MBA, PMP is a mechanical engineering expert specializing in complex litigation involving engineering and design disputes. With a career spanning automotive, aerospace, and consumer products, he brings a multifaceted perspective to litigation work. His work centers on investigating engineering failures, assessing design compliance, and evaluating whether systems meet industry standards. Mr. Washington has been retained in numerous expert witness and consulting engagements across the United States, involving automotive, aerospace, and manufacturing sectors. His BSME from the University of Akron, along with an MBA from Malone University and an Innovation Master Black Belt from the Innovation 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 mechanical systems and processes.

Mechanical Engineering
Oil and Gas

Eugene J Sweeney

Expert Witness

Spring, Texas27 years+ yrs★ 6.7

Eugene J Sweeney, Licensed Petroleum Engineer, Certified SPE Petroleum Engineer, Certified Safety Professional is an oil and gas expert specializing in petroleum engineering litigation. With a career spanning well control, oilfield accident analysis, and oil asset valuation, he brings a multifaceted engineering perspective to his litigation work. His work centers on investigating well operations, assessing blowout causation, and evaluating whether safety protocols were followed in oilfield incidents. Mr. Sweeney has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to drilling, completions, and refinery safety. His Masters in Petroleum Engineering from Texas A&M, along with his Certified Safety Professional (BCSP) designation, 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 oil and gas operations.

Petroleum Engineering
Automotive

Roy Da Silva

Expert Auto Appraisals

Libertyville, IL30 years+ yrs★ 6.7

Roy Da Silva is an automotive and mechanical engineering expert specializing in appraisal valuation and litigation support. With a career spanning vehicle appraisal, leasing, and mechanical inspections, he brings a comprehensive perspective to his litigation work. His work centers on investigating diminished value, assessing off lease value, and evaluating whether mechanical inspections meet industry standards. Mr. Da Silva has been retained in numerous expert witness and consulting engagements across the automotive industry, involving commercial vehicles, vintage cars, and custom cars. His Associates degree from LCC reinforces his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of valuation and responsibility in disputes involving vehicle appraisal and mechanical inspections.

Mechanical Engineering
Structural Design

Ian Llewellyn MEng CEng MICE MIStructE

Chartered Civil & Structural Engineer

Hampshire★ 6.7

Ian Llewellyn MEng CEng MICE MIStructE is a Chartered Civil & Structural Engineer expert specializing in structural design and civil engineering litigation. With a career encompassing diverse project management roles across retail, education, and health sectors, he brings a comprehensive project oversight perspective to litigation work. His work centers on investigating structural integrity, assessing compliance with engineering standards, and evaluating whether construction practices meet regulatory requirements. Mr. Llewellyn has been retained in numerous expert witness and consulting engagements across the UK, involving complex structural design and civil engineering projects. His Master of Engineering in Civil and Architectural Engineering, along with his Chartered Engineer status (CEng) and memberships in MICE and MIStructE, 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 design and engineering compliance.

Civil EngineeringProject ManagementQuality Management Systems+1
Vertical transportation systems

Eur Ing Prof David Cooper MBE, BSc (Hons), MSc, MPhil, CEng, FCIBSE, FSoVT, FSOE, FBES, FCGI

Lift, escalator and VT specialist consulting chartered engineer and accident expert witness

London★ 6.7

Eur Ing Prof David Cooper MBE, BSc (Hons), MSc, MPhil, CEng, FCIBSE, FSoVT, FSOE, FBES, FCGI is a vertical transportation systems expert specializing in accident investigation and expert witness testimony. With a career encompassing mechanical engineering, safety and risk assessment, and vertical transportation systems, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating accidents involving lifts and escalators, assessing compliance with safety standards, and evaluating whether mechanical failures contributed to incidents. Mr. Cooper has been retained in a substantial number of expert witness and consulting engagements worldwide, involving cases related to lifts, escalators, and other vertical transportation systems. His BSc (Hons) in Mechanical Engineering, along with certifications such as CEng and FCIBSE, 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 vertical transportation safety and mechanical engineering failures.

Accident investigationExpert witness testimonySafety and risk assessment+1
Biomechanics

Michelle R Hoffman, MS

Expert Witness

Chandler, AZ33+ years+ yrs★ 6.7

Michelle R Hoffman, MS is a biomechanics and biomedical engineering expert specializing in injury analysis and causation. With a career spanning over three decades in forensic injury analysis, she brings a multidisciplinary perspective to litigation work involving complex injury mechanisms. Her work centers on investigating injury causation, assessing the biomechanics of accidents, and evaluating whether product liability standards were met. Ms. Hoffman has been retained in numerous expert witness and consulting engagements across the United States, involving motor vehicle accidents, child seat related injuries, and use of force incidents. Her MS in Biomedical Engineering from Arizona State University, along with her extensive experience, 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 injury mechanisms and product safety.

Biomedical Engineering
Civil Engineering

Steve Kocher, PE, LEED AP, EXW

Expert Witness

Denver, Colorado32 years+ yrs★ 6.6

Steve Kocher, PE, LEED AP, EXW is a civil engineering expert specializing in construction defects and infrastructure litigation. With a career encompassing civil infrastructure, grading, and drainage, he brings a comprehensive understanding of the complexities involved in civil engineering disputes. His work centers on investigating construction defects, assessing compliance with accessibility standards, and evaluating whether proper erosion control measures were implemented. Mr. Kocher has been retained in numerous expert witness and consulting engagements across various sectors, including residential, commercial, and utilities projects. His B.S. in Civil Engineering from Kansas State University, along with certifications such as PE, LEED AP, and EXW, 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 civil engineering and infrastructure projects.

Civil Engineering

Richard Coates, PE

Expert Witness

Clearwater, Florida30+ years+ yrs★ 6.6

Richard Coates, PE is a civil and structural engineering expert specializing in property damages and construction-related litigation. With a career spanning multiple facets of engineering, including moisture intrusion analysis and construction claims consulting, he brings a comprehensive framework to his litigation work. His work centers on investigating construction defects, assessing flooding root causes, and evaluating stormwater and drainage impacts. Mr. Coates has been retained in numerous expert witness and consulting engagements across the southeastern United States, involving construction defects, storm damage assessments, and real estate due diligence. His degree in Civil Engineering from VA Tech, along with certifications in Virginia, District of Columbus, Maryland, Florida, Georgia, Texas, North Carolina, South Carolina, West Virginia, Kentucky, Tennessee, Alabama, and Mississippi, 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 and structural failures.

Structural Engineering
Products Liability

Jeffrey Brown, PhD

Expert Witness

Westminster, CO20+ years+ yrs★ 6.6

Jeffrey Brown, PhD is a products liability and biomedical engineering expert specializing in litigation involving medical devices and biologics. With a career spanning risk management, design history file analysis, and forensic science, he brings a multidisciplinary perspective to litigation work. His work centers on investigating product liability claims, assessing design controls, and evaluating whether regulatory standards have been met. Mr. Brown has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to medical devices, biologics, and intellectual property. His PhD in Biomedical Engineering, along with his MS in Bioengineering, 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 product liability and biomedical engineering.

Biomedical Engineering
Mechanical Engineering

Daniel R Robles, PE, MBA

Mechanical Engineer - Expert Witness

EDMONDS, WA35 years+ yrs★ 6.6

Daniel R Robles, PE, MBA is a mechanical engineering expert specializing in investigation and litigation support. With a career spanning plumbing, product liability, and forensic engineering, he brings a multifaceted perspective to his litigation work. His work centers on investigating product failures, assessing accident reconstructions, and evaluating whether standard of care deviations have occurred. Mr. Robles has been retained in numerous expert witness and consulting engagements across the United States, involving cases in construction, aviation, and insurance sectors. His BSME from the University of New Haven, along with an MBA from Seattle University and an AI Professional Certification from MIT, 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 engineering and related fields.

Investigation
Building Information Modeling

David Morris

Major Program Delivery Director

El Cajon, CA★ 6.6

David Morris is a construction and construction processes expert specializing in building codes, construction damages, and construction management. With a career spanning roles in virtual construction, mechanical systems, and plumbing design, he brings a practical, technology-forward perspective to litigation work. His work centers on investigating construction defects and delays, assessing root causes of failures, and evaluating whether construction processes adhered to industry standards. Mr. Morris has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to construction scheduling, mechanical, electrical, and plumbing coordination (MEP), and building information modeling (BIM). His welding certifications in MIG, TIG, and Stick, along with his extensive experience in instrumentation, controls, and building automation systems, 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 defects and delays.

Construction Delay AnalysisMechanical SystemsPlumbing and Piping+9
Failure Analysis

Preston Scarber, Jr., Ph.D., P.E.

Vehicle Accident Reconstructionist

Nashville, TN16 years+ yrs★ 6.6

Preston Scarber, Jr., Ph.D., P.E. is a vehicle accident reconstructionist expert specializing in failure analysis and mechanical engineering. With a career encompassing human factors in driving, production facility analysis, and computer simulation of vehicle accidents, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating accident causation, assessing mechanical failures, and evaluating whether human factors contributed to incidents. Mr. Scarber has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving cases related to accident reconstruction and product failure analysis. His PhD in Materials Engineering, along with his P.E. designation, 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 engineering and human factors.

Mechanical EngineeringHuman Factors in DrivingProduction Facility Analysis+2
Electrical Engineering

Simon Barrows

Chartered Electrical Engineer

St.Helier★ 6.6

Simon Barrows, Chartered Electrical Engineer is an electrical engineering expert specializing in forensic engineering and expert witness testimony. With a diverse background in building compliance, construction disputes, and fire protection systems, he brings a multifaceted perspective to litigation work. His work centers on investigating electrical accidents and failures, assessing building compliance concerns, and evaluating whether construction defects have occurred. Mr. Barrows has been retained in numerous expert witness and consulting engagements across various industries, involving construction contract disputes, electrical safety issues, and fire investigations. His Certificate in Environmental Engineering, along with his Chartered Engineer CEng 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 electrical engineering and construction safety.

Forensic EngineeringExpert Witness TestimonyBuilding Compliance+3
Road Safety Engineering

Johann Tay

Safe System Infrastructure and Vehicles

Kew, Victoria★ 6.6

Johann Tay is a road safety engineering expert specializing in traffic accident reconstruction and vehicle automation. With a career encompassing forensic engineering, public policy in road transport, and human factors in driving, he brings a multidisciplinary perspective to litigation work. His work centers on investigating accident causation, assessing driver behavior, and evaluating whether engineering standards were met. Mr. Tay has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving automobile accidents, workplace transport, and weather-related driving issues. His Master of Traffic and Master of Transport, along with his Bachelor of Engineering(Mech)(Hons) and Bachelor of Commerce, 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 accident reconstruction and driver human factors.

Vehicle AutomationTraffic Accident ReconstructionHuman Factors in Driving+3
Forensic Engineering

Mr W Jack Apgar, BSc, MSc (Hons), PE, FIE Aust, CP Eng

Forensic Engineer

Duncraig★ 6.6

Mr W Jack Apgar, BSc, MSc (Hons), PE, FIE Aust, CP Eng is a forensic engineering expert specializing in industrial accident investigation and motor vehicle accident analysis. With a career encompassing industrial accidents, machinery failures, and insurance fraud, he brings a multidisciplinary perspective to litigation work. His work centers on investigating industrial accidents, assessing machinery failures, and evaluating whether insurance fraud has occurred. Mr. Apgar has been retained in numerous expert witness and consulting engagements across Australia and Texas, involving industrial accidents, motor vehicle accidents, and worker's compensation claims. His Master of Science (Honours) in Civil Engineering, along with his designation as a Professional Engineer — TX, 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 machinery failures and insurance fraud.

Industrial Accident InvestigationMotor Vehicle Accident AnalysisMachinery Failure Analysis+2
Forensic Engineering

Mr Bohdan Generowicz, BScEng, MSc, MICE, MIEAust, MSAE

Forensic Engineering Consultant

Dianella★ 6.6

Mr Bohdan Generowicz, BScEng, MSc, MICE, MIEAust, MSAE is a forensic engineering expert specializing in accident investigation and structural failure analysis. With a career encompassing diverse engineering disciplines, he brings a multidisciplinary perspective to litigation work. His work centers on investigating accidents at work, assessing public safety incidents, and evaluating whether motor vehicle accidents meet safety standards. Mr. Generowicz has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving motor vehicle accidents, construction safety, and structural failures. His BScEng in London and MSc in B'ham, along with his memberships in MICE, MIEAust, and MSAE, 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 matters.

Accident InvestigationMaterials TestingRisk Evaluation+3
Automotive Assessment

Mr Nik Ellis

Independent Nationwide Expert Witness, Automotive Intelligence and Technology-Driven Vehicle Assessments

Heswall, Wirral, Merseyside★ 6.6

Mr Nik Ellis is an automotive intelligence expert specializing in technology-driven vehicle assessments. With a career dedicated to integrating advanced technology into automotive evaluations, he brings a forward-thinking perspective to litigation work. His work centers on investigating automotive incidents, assessing forensic engineering data, and evaluating whether vehicle valuations align with industry standards. Mr. Ellis has been retained in numerous expert witness and consulting engagements across the UK, involving accident reconstruction, fleet damage assessment, and digital integration services. His role as an Independent Nationwide Expert Witness, along with his specialization in automotive intelligence, 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 automotive assessments.

Forensic EngineeringAccident ReconstructionVehicle Valuation+3
Failure Analysis

John Bosche

President and Principal Engineer

Bellingham, WA★ 6.6

John Bosche has more than 20 years of experience in the wind industry with involvement in a broad range of projects. He has worked on basic engineering research, wind turbine design and analysis, component manufacturing, structural and performance field testing, turbine verification, due diligence investigations, project planning and construction, commissioning testing, operations and maintenance, and design of retrofits. Mr. Bosche also has experience with procuring land leases, collecting and analyzing wind resource data, and calculating project performance projections. He has lived and worked on wind energy projects in Tehachapi, California, Palm Springs, California, El Paso, Texas, and South Wales, United Kingdom. Past clients include turbine manufacturers, component vendors, project developers, electrical utilities, government laboratories, and law firms. He is a registered U.S. Patent Agent with experience obtaining patent protection on inventions representing a variety of technologies.

Electrical Engineering
Talk to us about your case
Find the right expert with greater clarity, confidence, and transparency.
© 2026 Witnessly. All rights reserved.