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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 127–144 of 371 experts

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Traffic Engineering
LM

Lawrence M. Levine

Consulting Engineer

Malta, New York53 years+ yrs★ 8.5

Lawrence M. Levine, P.E. is a Traffic Engineering and Accident Reconstruction expert specializing in accident investigation and reconstruction, civil engineering, and environmental impact studies. With a career spanning over five decades in civil engineering, transportation planning, and traffic engineering, he brings a multidisciplinary approach to analyzing complex accident scenarios and infrastructure issues. His work centers on investigating accident causation, assessing traffic safety measures, and evaluating whether design and construction standards have been met. Mr. Levine has been retained in numerous expert witness and consulting engagements across New York, involving traffic accident cases, civil engineering projects, and environmental impact assessments. His Bachelor of Science in Civil Engineering from Michigan State University and Master’s Degree (MTE) in Civil Engineering from Rensselaer Polytechnic Institute, along with certifications such as NYS and NJ Professional Engineer Licenses and NYSTARS, 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 accidents, structural failures, and safety compliance.

Accident ReconstructionCivil EngineeringEnvironmental Impact Studies
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Software Engineering
BS

Bert Schiettecatte

Senior Software & Hardware Engineer, Computer Scientist, Expert Witness

Los Angeles, CA20+ years+ yrs★ 8.5

Bert Schiettecatte, MSc/CS, MA/MST is an intellectual property litigation expert specializing in software and hardware engineering disputes. With a career spanning software development, digital signal processing, and consumer electronics, he brings a multidisciplinary approach to his litigation work. His work centers on investigating software source code for patent infringement, assessing hardware systems for trade secret misappropriation, and evaluating whether breaches of contract have occurred. Mr. Schiettecatte has been retained in numerous expert witness and consulting engagements across the United States, involving intellectual property disputes in the software and electronics industries. His Master of Science in Computer Science, along with his Master of Arts in Music, Science and Technology, 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 software architecture and performance optimization.

ElectronicsTestifying expert witness with intellectual property litigation experienceSoftware source code review and analysis for intellectual property litigation+28
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Waste Engineering
JM

Joseph M. DeFranco

Certified Safety Professional

Raleigh, NC27 years+ yrs★ 8.5

Joseph M. DeFranco, CSP is a Safety and OSHA Compliance expert specializing in accident investigations and construction safety litigation. With a career encompassing diverse safety program development and regulatory compliance, he brings a comprehensive understanding of industry standards to his litigation work. His work centers on investigating safety violations, assessing compliance with OSHA standards, and evaluating whether industry best practices were followed. Mr. DeFranco has been retained in numerous expert witness and consulting engagements across the United States, involving construction safety, crane operations, and personal injury cases. His Bachelor of Science in Safety, Health, and Environmental Applied Sciences, along with certifications such as Board Certified Safety Professional and NCCCO Certified Crane Inspector, 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 occupational safety and health policies and standards.

Geotechnical EngineeringEnvironmental Due DiligenceSafety and OSHA+22
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Electrical Engineering
CM

C. Martin Nowland

PE, CEM

Wolfeboro, NH34 years+ yrs★ 8.5

C. Martin Nowland, PE, CEM is an electrical engineering and controls expert specializing in energy management and industrial automation systems. With a career spanning electrical engineering, controls design, and energy management, he brings a comprehensive framework to litigation work involving complex engineering systems. His work centers on investigating electrical system failures, assessing compliance with engineering standards, and evaluating whether control systems meet safety and operational requirements. Mr. Nowland has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electrical engineering, industrial automation, and energy management systems. His BSEE from Worcester Polytechnic Institute, along with certifications such as Certified Energy Manager (CEM) and Professional Engineer (PE) licenses in multiple states, 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 and control systems.

ElectricityControls EngineeringEnergy Management
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Neurology
GT

George T. Gitchel, Ph.D.

Expert Witness and Subject Matter Expert for Traumatic Brain Injury Litigation

Richmond, VA17 years+ yrs★ 8.5

Jeffrey Hickman, Ph.D. is a human factors and safety expert specializing in occupational and industrial safety, as well as vehicle operator behavior. With a career encompassing behavioral safety, safety culture, and advanced driver assistance systems, he brings a comprehensive framework to litigation work involving human factors issues. His work centers on investigating driver distraction, assessing safety management techniques, and evaluating the impact of electronic device use on operator behavior. Dr. Hickman has been retained in numerous expert witness and consulting engagements across North America, involving cases related to transportation safety, occupational safety, and driver behavior. His Ph.D. in Clinical Psychology, along with his extensive involvement in safety research and development of safety programs, 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 driver distraction, fatigue management, and safety regulations.

Biomedical EngineeringEye tracking developmentOculomotor analysis+8
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Structural Engineering
NM

Nick M. Bradford

PhD, PE SE SI LEED AP

Tampa, FL27 years+ yrs★ 8.5

Nick M. Bradford, PhD, PE SE SI LEED AP is a structural engineering expert specializing in structural failure and collapse analysis. With a career spanning structural design, forensic engineering, and building code analysis, he brings a comprehensive framework to litigation work involving complex structural issues. His work centers on investigating structural failures, assessing construction defects, and evaluating whether building codes were adhered to. Mr. Bradford has been retained in numerous expert witness and consulting engagements across the southeastern United States, involving residential, commercial, and industrial property cases. His PhD in Civil Engineering, along with certifications such as LEED AP and multiple state engineering 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 causation in disputes involving structural integrity and construction practices.

Construction EngineeringStructural Failure / CollapseStructural design+9
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Programming languages and platforms: Java, C/C++, C#, Perl, Python, PHP, .NET, WinForms, WPF, Eclipse, Visual Studio, Java EE, CORBA
GE

George Edwards

President & Principal Computer Scientist

Los Angeles, CA21 years+ yrs★ 8.5

George Edwards, PhD is a computer science expert specializing in software-related litigation. With a career spanning software analysis, intellectual property evaluation, and advanced analytic techniques, he brings a robust technical framework to litigation work. His work centers on investigating software failures, assessing intellectual property validity, and evaluating software architecture for structural similarities and differences. Mr. Edwards has been retained in numerous expert witness and consulting engagements across the United States, involving cases of patent infringement, copyright infringement, and trade secret theft. His Ph.D. in Computer Science from the University of Southern California, along with his extensive experience in software 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 causation and responsibility in disputes involving complex software systems.

Internet and web: JavaScript, AJAX, Node.js, Ruby, HTML, XML, CSS, ASP.NETMobile devices and applications: Android, iOS, iPhone, Windows Mobile, Windows Phone, BlackBerry, Palm OS, Java MEMultimedia: MPEG, SVG, DVR, Silverlight, Flash+4
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Civil Engineering
MF

Michael F Myers

PE

Palmyra, VA30 years+ yrs★ 8.5

Michael F Myers, PE is a civil engineering expert specializing in land development and stormwater management litigation. With a career spanning drainage design, hydrology, and floodplain analysis, he brings a practical engineering perspective to evaluating compliance with regulatory standards. His work centers on investigating stormwater system failures, assessing erosion and sediment control measures, and evaluating whether adequate outfall analyses meet industry and legal requirements. Mr. Myers has been retained in numerous expert witness and consulting engagements across Virginia and Maryland, involving commercial, multi-family, and residential construction projects. His B.S. in Civil Engineering from The University of Virginia, along with his Professional Engineer licensure in Virginia, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and responsibility in disputes involving stormwater management and drainage systems.

Hydrology
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Mechanical Engineering
RD

Ronald D. Schapf

Licensed Professional Mechanical Engineer

Los Angeles, CA30+ years+ yrs★ 8.5

Ronald D. Schapf, P.E. CA, NV, TX, FL is a mechanical engineering expert specializing in machine design litigation. With a career encompassing theme park ride systems, recreational vehicles, and safety-critical vehicle systems, he brings a robust engineering framework to his litigation work. His work centers on investigating mechanical failures, assessing design compliance, and evaluating whether engineering standards were met. Mr. Schapf has been retained in numerous expert witness and consulting engagements across the United States, involving theme park rides, recreational vehicles, and specialty machinery. His B.A.Sc. in Mechanical Engineering from the University of Waterloo, along with his Professional Engineer licenses in CA and NV, 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 design and safety compliance.

MotorcycleMechanical Engineering DesignFinite Element Analysis
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Engineering
MA

Michael A. Pollock

Principal Engineer, Patent Expert

Bryn Mawr, PA25 years+ yrs★ 8.5

Michael A. Pollock, P.E. is an engineering and construction defects expert specializing in mechanical engineering, HVAC systems, and construction schedule analysis. With a career spanning engineering standards, project management, and facility design, he brings a comprehensive framework to litigation work involving complex construction and engineering disputes. His work centers on investigating construction defects, assessing mechanical system failures, and evaluating whether standard of care deviations occurred. Mr. Pollock has been retained in numerous expert witness and consulting engagements across the United States, involving construction defect claims, HVAC system failures, and patent-related disputes. His B.S. in Mechanical Engineering from Drexel University, along with certifications such as Professional Engineer (PA) and Certified Energy Manager (CEM), 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 engineering and construction management.

Construction DefectsProject ManagementConstruction Management+1
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wiring
LW

Lester Weitman

Engineering Consultant

Royal Oak, MI40 years+ yrs★ 8.5

Lester Weitman, BSEE, MS, 6-Sigma Black Belt is an Automotive Electrical Systems expert specializing in failure analysis and forensic engineering. With a career spanning electrical product design, testing, and field failure analysis, he brings a systems-thinking framework to litigation work. His work centers on investigating electrical failures, assessing design flaws, and evaluating whether assembly errors contributed to automotive incidents. Mr. Weitman has been retained in numerous expert witness and consulting engagements across the United States, involving automotive product liability and defect cases. His BSEE in Electrical Engineering from the Massachusetts Institute of Technology, along with certifications in 6-Sigma Black Belt and Failure Mode & Effects Analysis, 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 automotive electrical systems.

electricalfiredefect+19
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Premises Liability
KA

Keith A. Bergman, PE

Consulting Engineer in Civil Engineering

Harleysville, PA32 years+ yrs★ 8.4

Keith A. Bergman, PE is a civil engineering expert specializing in highway and street design, traffic engineering, and utilities construction. With extensive experience in construction management, project-related claims, and job site safety, he brings a comprehensive understanding of codes and standards to his litigation work. His work centers on investigating premise liability, assessing pedestrian safety, and evaluating whether ADA compliance has been met. Mr. Bergman has been retained in numerous expert witness and consulting engagements across the United States, involving premises liability, traffic engineering, and construction management cases. His Bachelor of Science Degree in Civil Engineering from San Diego State University, along with his Professional Engineer certifications in multiple states, 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 walkway surface evaluations, storm drainage, and pedestrian safety.

Traffic EngineeringHighway and Street DesignUtilities Construction+9
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Biomedical Engineering
AL

Alison Lesley Marsden, Ph.D.

Professor of Cardiovascular Diseases

Stanford, CA16 years+ yrs★ 8.4

Alison Lesley Marsden, Ph.D. is a Biomedical Engineering expert specializing in cardiovascular modeling and computational fluid dynamics in litigation contexts. With a career spanning bioengineering, digital health, and pediatric cardiology, she brings a multidisciplinary framework to her litigation work. Her work centers on investigating cardiovascular device efficacy, assessing computational modeling accuracy, and evaluating whether surgical interventions meet industry standards. Ms. Marsden has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to cardiovascular disease, medical devices, and pediatric cardiology. Her Ph.D. in Mechanical Engineering, along with her Fellow status in the Biomedical Engineering Society and American Institute for Medical and Biological Engineering, 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 cardiovascular modeling and medical devices.

Medical DevicesCardiovascular ModelingBioengineering+1
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Engineering
MS

Mark S. Wassom, P.E.

Senior Consultant

Lenexa, KS30 years+ yrs★ 8.4

Mark S. Wassom, P.E. is a fire protection engineering expert specializing in code consultation and fire investigation. With a career encompassing fire protection engineering, code consultation, and fire investigation, he brings a comprehensive understanding of fire safety systems and regulatory compliance to his litigation work. His work centers on investigating fire incidents, assessing code compliance, and evaluating whether fire protection systems meet industry standards. Mr. Wassom has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, industrial, educational, and healthcare facilities. His B.S. in Architectural Engineering, along with certifications such as Certified Fire Investigator and Certified Fire Marshal, 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 protection and life safety systems.

FireFire protection engineeringCode consultation+1
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Environmental Engineering
TK

Tim Keane

Consultant and Proprietor

Chalfont, PA48 years+ yrs★ 8.4

Tim Keane, Bachelor of Science Marine Engineering is a Legionella and waterborne pathogens expert specializing in outbreak management and litigation support. With a career spanning environmental engineering, plumbing, and outbreak response, he brings a comprehensive framework to litigation work involving waterborne pathogens. His work centers on investigating Legionella outbreaks, assessing water system compliance, and evaluating whether industry standards were met in waterborne pathogen cases. Mr. Keane has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to Legionnaires' disease, potable water systems, and cooling towers. His Bachelor of Science in Marine Engineering, along with his US Coast Guard License 3rd Asst. Engineer Unlimited Steam and Diesel, 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 Legionella and waterborne pathogens.

Plumbing
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Civil Engineering
JA

Jared A. Krupa, P.E.

Professional Civil Engineer – Structural Specialist – Amusement Attraction Enthusiast

Reno, NV24 years+ yrs★ 8.4

Jared A. Krupa, P.E. is a civil and structural engineering expert specializing in amusement ride safety and structural design. With a career spanning the amusement attractions industry and fire-damaged building analysis, he brings a nuanced understanding of engineering standards and safety protocols to litigation work. His work centers on investigating structural integrity, assessing compliance with safety standards, and evaluating whether engineering practices meet industry norms. Mr. Krupa has been retained in numerous expert witness and consulting engagements across the United States, involving amusement rides, adventure attractions, and structural engineering cases. His Bachelor of Science in Civil Engineering from the University of Nevada, Reno, along with certifications such as USGBC LEED Green Associate and NAARSO Level II Amusement Ride Inspector, 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 amusement ride safety and structural engineering compliance.

Structural EngineeringStructural DesignAmusement Rides+2
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Structural Engineering
VM

Vanessa M. Malone

Principal Structural Engineer

Sanford, FL15 years+ yrs★ 8.4

Vanessa M. Malone, P.E. is a structural engineering expert specializing in forensic investigations and expert witness work. With a career spanning aerospace, defense, and nuclear industries, she brings a multidisciplinary perspective to litigation work. Her work centers on investigating structural collapses, assessing construction defects, and evaluating hurricane and wind damage. Ms. Malone has been retained in numerous expert witness and consulting engagements across the United States, involving structural collapses, construction defects, and hurricane damage cases. Her M.Sc. in Civil Engineering: Computational Mechanics, along with P.E. Licenses in FL, NY, LA, GA, MO, TX, 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 structural failures and construction defects.

Construction DefectsStructural CollapsesHurricane Damage+1
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Litigation technical support
JL

Jamie L. Petty-Galis, M. S., P.E.

Mechanical and Metallurgical Engineering Consultant

Southlake, Texas★ 8.4

Jamie L. Petty-Galis, M. S., P.E. is a forensic metallurgical and mechanical engineering expert specializing in material failure analysis and structural integrity assessment. With a career encompassing diverse material applications in industries such as aviation, biomedical, and oil and gas, she brings a multidisciplinary approach to her litigation work. Her work centers on investigating material failures, assessing structural integrity, and evaluating the root causes of system failures. Ms. Petty-Galis has been retained in numerous expert witness and consulting engagements across the United States, involving cases in aviation, oil and gas, and transportation industries. Her M.S. in Materials Science from The University of Texas at Arlington, along with her Texas Professional Engineer license, 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 complex material systems.

Metallic material failure analysisComposite material failure analysisPlastic material failure analysis+9
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