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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.

Showing 685702 of 1,760 experts

Accident Reconstruction

Jason Fries

CEO and Lead Forensic Expert

Concord, CA20+ years+ yrs8.3

Jason Fries, Advanced Force Science Specialist, Force Science Certificate, Private Pilot Certificate is a forensic reconstruction expert specializing in accident reconstruction and forensic animation. With a career spanning the development of laser-based photogrammetry and the introduction of 3D reconstructions into courtrooms, he brings a pioneering perspective to litigation work. His work centers on investigating officer-involved shootings, assessing nighttime visibility, and evaluating whether forensic animations meet admissibility standards. Mr. Fries has been retained in numerous expert witness and consulting engagements across the United States, involving civil and criminal cases, including officer-involved shootings and accident reconstructions. His B.S. in Biology (Focus in Physics and Chemistry), along with certifications such as Advanced Force Science Specialist and Force Science Certificate, 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 reconstructions and human factors.

Human FactorsForensic AnimationMedical Animation+8
Oil and Gas

Cassandra K. Moody

Principal Engineer

Houston, Texas14 years+ yrs8.3

Cassandra K. Moody, M.S, P.E. is a midstream pipeline engineering expert specializing in integrity management and risk-informed solutions. With a career encompassing midstream operations and integrity engineering, she brings a practical, field-based perspective to her litigation work. Her work centers on investigating pipeline failures, assessing compliance with safety regulations, and evaluating whether operational standards have been met. Ms. Moody has been retained in numerous expert witness and consulting engagements across the United States and Canada, involving cases related to pipeline safety, construction practices, and regulatory compliance. Her Master of Science in Environmental Engineering, along with her certification as a Licensed Professional Engineer in Texas, 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 pipeline integrity and safety.

SafetyIntegrity ManagementRisk-Informed Solutions
Industrial Design

Joel Delman

Director

Los Angeles, CA30 years+ yrs8.3

Joel Delman, Master of Industrial Design, J.D. is an industrial design and intellectual property expert specializing in design patent infringement and validity, as well as trade dress and trademark disputes. With a career spanning strategic product development, design thinking, and intellectual property management, he brings a multidisciplinary perspective to litigation work. His work centers on investigating design patent infringement, assessing trade dress functionality, and evaluating likelihood of confusion in trademark disputes. Mr. Delman has been retained in numerous expert witness and consulting engagements across the United States, involving complex medical devices, consumer electronics, and design-driven tech startups. His Master of Industrial Design from Pratt Institute, along with his J.D. from Harvard Law School, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of intellectual property rights and responsibilities in disputes involving design and innovation.

Product DesignDesign StrategyDesign Thinking+5
Safety

Jay Beam

Expert Witness

Edmond, OK23 years+ yrs8.3

Jay Beam is a forensic engineering and safety expert specializing in litigation support within the oil and gas industry. With a career spanning safety engineering, environmental compliance, and accident reconstruction, he brings a multifaceted perspective to his litigation work. His work centers on investigating industrial accidents, assessing regulatory compliance, and evaluating whether safety standards have been met. Mr. Beam has been retained in numerous expert witness and consulting engagements across the United States, involving oilfield accidents, workplace safety, and regulatory compliance cases. His Master’s Degree in Mechanical Engineering from Iowa State, along with his membership in the National Association of Forensic 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 industrial safety and compliance.

Oil and GasLitigation SupportDeposition and Trial Support+13
Police Practices & Procedures

Daniel J. Brown

Law Enforcement Standard of Care Expert Witness

Tucson, AZ32 years+ yrs8.3

Daniel J. Brown is a law enforcement standard of care expert specializing in police practices and procedures litigation. With extensive experience in law enforcement risk management, he brings a strategic perspective to his litigation work. His work centers on investigating police use of force, assessing law enforcement risk management practices, and evaluating whether evidence handling protocols were followed. Mr. Brown has been retained in numerous expert witness and consulting engagements nationwide, involving police policy and procedure, excessive force, and negligent security cases. His Master of Administration in Public Management, along with certifications such as the National Academy from the Federal Bureau of 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 standard of care in disputes involving law enforcement practices.

Law Enf & Criminal JusticeLaw Enforcement Risk ManagementPolice Policy and Procedure
Technology

Joel Beal

Truck Technology Consultant

Arlington, TX35 years+ yrs8.3

Joel Beal is a trucking technology expert specializing in telematics, electronic logging devices (ELDs), and transportation management systems. With a career spanning system design, regulatory advisory roles, and commercial fleet operations, he brings a multifaceted perspective to litigation work. His work centers on investigating compliance with commercial motor vehicle regulations, assessing the integration of telematics and ELD systems, and evaluating whether transportation management practices meet industry standards. Mr. Beal has been retained in numerous expert witness and consulting engagements across North America, involving commercial motor vehicle regulations, telematics systems, and fleet operations. His AA/AS in Business Management from Iowa Western Community College, along with his extensive experience in the trucking industry, 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 trucking technology and operations.

TruckingTelematicsELDs+2
Mechanical Engineering

David G. Smith

Professional Mechanical Engineer (PE)

Alpine, Utah20 years+ yrs8.3

David G. Smith, MS, PE, CSP is a mechanical engineering expert specializing in product development and equipment safety litigation. With nearly two decades of experience in patents, equipment safety, and risk assessments, he brings a comprehensive understanding of product design and safety standards to his litigation work. His work centers on investigating patent infringement, assessing product liability, and evaluating whether safety standards have been met. Mr. Smith has been retained in over 100 expert witness and consulting engagements across the United States, involving patent and personal injury cases in industries such as oil and gas equipment, consumer products, and heavy machinery. His Master of Science in Mechanical Engineering, along with certifications as a Certified Safety Professional (CSP) and Licensed Professional Engineer (PE), 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 design and safety compliance.

Intellectual PropertyProduct DevelopmentPatents+2
Mold and Indoor Air Quality

Pascal Jean-Baptiste

Industrial Hygienist & Mold Expert Witness

Seattle, WA8.3

Pascal Jean-Baptiste is an industrial hygiene and mold inspection expert specializing in workplace safety, regulatory compliance, and risk mitigation. With a career encompassing hazard assessments, policy development, and occupational health initiatives, he brings a strategic framework to litigation work. His work centers on investigating hazardous material presence, assessing compliance with OSHA and EPA standards, and evaluating whether safety protocols were adhered to. Mr. Jean-Baptiste has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to mold, indoor air quality, and industrial hygiene. His Small Business Management Diploma from Penn Foster Career Schools, along with certifications such as NACHI Certified Mold Inspector and HAZWOPER Certified, 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 environmental safety and compliance.

Industrial HygieneMold InspectionWorkplace Safety+1
Mechanical Engineering

Timothy C. Behrens

Forensic Mechanical Engineer

Phoenix, AZ42 years+ yrs8.3

Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI is a forensic mechanical engineering expert specializing in failure analysis and forensic investigations. With a career spanning vehicle fire origin, mechanical component failures, and accident reconstruction, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating vehicle fire origins, assessing mechanical system failures, and evaluating accident reconstruction scenarios. Mr. Behrens has been retained in numerous expert witness and consulting engagements nationwide, involving vehicle fires, mechanical failures, and accident reconstructions. His Bachelor of Science Degree in Mechanical Engineering, along with certifications such as Certified Fire 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 vehicle and mechanical system failures.

Failure AnalysisVehicle Fire Origin & CauseVehicle Failure Analysis+5
Electrical Engineering

Thomas H. Burtness

PE, BSEE, CFEI

White Heath, IL49 years+ yrs8.3

Thomas H. Burtness, PE, BSEE, CFEI is an electrical and lighting engineering expert specializing in lighting and electrical accidents and injury litigation. With a career encompassing electrical power systems, illumination engineering, and forensic investigations, he brings a multifaceted perspective to his litigation work. His work centers on investigating lighting fixture accidents, assessing electrical construction defects, and evaluating whether electrocution and arc flash incidents meet industry standards. Mr. Burtness has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to commercial and industrial lighting, roadway illumination, and electrical equipment failures. His Bachelor of Science in Electrical Engineering, along with certifications such as Certified Fire and Explosion 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 electrical injuries and wrongful death.

Equipment & MachineryLighting and Electrical Accidents and InjuryIllumination Engineering+7
Operational Due Diligence

Yaron Goldman

CEO/COO/CFO/Expert Witness

Loveland, CO20+ years+ yrs8.3

Yaron Goldman, MBA is a restaurant and hospitality expert specializing in financial analysis and business valuation. With a career spanning operational management, mergers and acquisitions, and strategic planning, he brings a comprehensive framework to litigation work involving complex financial disputes. His work centers on investigating financial discrepancies, assessing business valuations, and evaluating whether operational standards have been met. Mr. Goldman has been retained in expert witness and consulting engagements across the United States, involving restaurant franchising and real estate finance. His Master of Business Administration from the University of North Carolina, Charlotte, along with his Bachelor of Science in Finance, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by defense counsel to provide clear, independent determinations of valuation and responsibility in disputes involving restaurant and retail real estate.

Financial AnalysisBusiness ManagementMergers and Acquisitions+5
Police Practices & Procedures

Clinton Smith

Law Enforcement and Security Professional

San Ramon, CA25 years+ yrs8.3

Clinton Smith is a law enforcement and security expert specializing in police practices and procedures. With a career spanning internal affairs, crisis management, and security operations, he brings a multifaceted perspective to litigation work. His work centers on investigating criminal and background investigations, assessing crisis and risk management, evaluating whether security and safety assessments meet regulatory compliance. Mr. Smith has been retained in numerous expert witness and consulting engagements across California, involving law enforcement practices, security operations, and crisis management. His POST Background Investigator certification, along with his Advanced POST Certificate, 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 police practices and procedures.

Law Enf & Criminal JusticeCriminal & Background InvestigationsInternal Affairs & Policy Compliance+7
Hotel & Restaurant

Gary R. Coburn

Restaurant Executive

San Juan Capistrano, CA40+ years+ yrs8.3

Gary R. Coburn is a restaurant and hospitality expert specializing in restaurant franchising, commercial kitchen design/build, and slip, trip, and fall litigation. With a career spanning over four decades in restaurant operations, concept development, and risk management, he brings a comprehensive framework to litigation work involving hospitality industry standards and practices. His work centers on investigating restaurant-related incidents, assessing compliance with safety regulations, and evaluating whether industry standards were met in operational practices. Mr. Coburn has been retained in nearly 60 expert witness and consulting engagements across 13 states, involving cases such as slip, trip, and fall, burns and food incidents, and general business operations in the restaurant industry. His education in Cash Flow Management from Chapman College, along with certifications such as California TIPS and RBS, 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 restaurant operations and safety compliance.

Slip Trip & FallRestaurant franchisingCommercial kitchen design/build
Education & Schools

Jacqueline Gharapour Wernz

Civil Rights Consultant & Attorney

Dallas, Texas19 years+ yrs8.3

Jacqueline Gharapour Wernz is a civil rights and education law expert specializing in Title IX compliance and civil liberties risk management. With a career encompassing roles in legal consultancy, university administration, and federal civil rights investigation, she brings a multifaceted perspective to her litigation work. Her work centers on investigating institutional compliance, assessing civil rights obligations, and evaluating whether educational entities meet federal and state regulatory standards. Ms. Gharapour Wernz has been retained in numerous expert witness and consulting engagements across the United States, involving K-12 and higher education institutions, civil rights compliance, and Title IX cases. Her J.D. in Law from The University of Virginia School of Law, along with her extensive experience in civil rights and education law, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and responsibility in disputes involving civil rights and educational law.

Civil RightsEducation LawTitle IX Compliance
Emergency Medicine

Christopher James Nash, MD, EdM

Assistant Professor

Durham, NC11 years+ yrs8.3

Christopher James Nash, MD, EdM is an Emergency Medicine expert specializing in digital medical simulation and telehealth education. With a career spanning emergency department operations, digital scholarship, and program evaluation, he brings a multifaceted perspective to litigation work. His work centers on investigating diagnostic and medical errors in acute care settings, assessing emergency physician supervision and resident education, and evaluating whether standard of care deviations occurred. Dr. Nash has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to emergency department standard of care, trauma management, and telehealth education. His EdM in Technology, Innovation, and Education, along with his certification from the American Board of Emergency Medicine, 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 emergency medicine and digital medical education.

Education & SchoolsDigital Medical SimulationDigital Scholarship+3
Food Safety

Lawrence Bell

Dairy Scientist

Green Bay, WI8.3

Larry is a Dairy Scientist with 39 years of experience in the cheese industry in Research and Development, and Food Safety management. This includes extensive knowledge of cheese manufacturing, cheese formulation, and product evaluation. The expertise in food safety includes the development and implementation of a comprehensive program that is a new standard in the dairy industry. Knowledge & experience includes process cheese, natural cheeses, imitation cheeses, cheese flavors, aging cheeses, cheese grading, and project management.

Research & DevelopmentCheese expertise
Lightning

Russell C Carroll, PE, MSEE

Expert Witness

El Segundo, California10 years+ yrs8.3

Russell C Carroll, PE, MSEE is an electrical engineering expert specializing in lightning, product liability, and EMI/EMC consulting. With a career encompassing electrical engineering, electronics, and electromagnetics, he brings a multifaceted perspective to litigation work. His work centers on investigating electrical fires, assessing code compliance, and evaluating whether equipment malfunctions contributed to incidents. Mr. Carroll has been retained in numerous expert witness and consulting engagements across California, involving cases related to aerospace, electrocutions, and electrical fires. His MSEE in Electrical Engineering, along with his certifications as a registered professional engineer in California and a certified iNARTE electromagnetic compatibility 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 electromagnetics and related fields.

Product LiabilityEMI/EMC ConsultingElectrocutions+5
Structural Engineering

Ken Karston

President

Chicago, Illinois8.3

Ken Karston, S.E., P.E. is a structural engineering expert specializing in construction defects and building envelope investigations for water infiltration. With a career spanning design, forensic investigations, and construction administration, he brings a comprehensive framework to litigation work involving structural integrity and compliance. His work centers on investigating construction defects, assessing building conditions, and evaluating whether structural designs meet industry standards. Mr. Karston has been retained in numerous expert witness and consulting engagements across the United States, involving residential, commercial, and historic building cases. His Bachelor of Science in Civil Engineering from the University of Illinois at Chicago, along with his certifications as a Registered Structural Engineer in Illinois, Nevada, and Utah, and as a Registered Professional Engineer 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 structural engineering and construction practices.

Construction DefectsBuilding envelope investigations for water infiltrationBuilding code review+8
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