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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 7390 of 1,760 experts

Indoor Air Quality

Jeffrey J. Bradley

Expert Witness – Indoor Air Quality, Mold, Water Damage, Environmental Exposure

Newton, MA20+ years+ yrs9.2

Jeffrey J. Bradley, CMC, CIEC is an Indoor Air Quality and Environmental Exposure expert specializing in mold contamination, water damage, and environmental exposure litigation. With a career spanning building diagnostics, microbial contamination, and environmental assessments, he brings a comprehensive framework to litigation work involving complex environmental disputes. His work centers on investigating mold and moisture intrusion, assessing environmental exposure risks, and evaluating whether standard-of-care deviations have occurred. Mr. Bradley has been retained in numerous expert witness and consulting engagements nationwide, involving residential, commercial, and industrial property disputes. His Master of Science in Environmental Engineering from Southern Methodist University, along with his Council-Certified Microbial Consultant and Certified Indoor Environmental Consultant certifications, 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 indoor air quality and environmental exposure.

MoldMold contamination, fungal ecology, microbial amplificationMoisture intrusion, water damage, building envelope failures+8
Mechanical Engineering

Scott J. Anson, Ph.D., P.E.

Principal Forensic Engineer

Harleton, TX30+ years+ yrs9.2

Scott J. Anson, Ph.D., P.E. is a forensic engineering expert specializing in multidisciplinary failure analysis and non-destructive testing. With a career encompassing mechanical and materials engineering, he brings a comprehensive framework for evaluating complex engineering failures in litigation contexts. His work centers on investigating product liability claims, assessing workplace injury causation, and evaluating whether structural failures align with industry standards. Mr. Anson has been retained in numerous expert witness and consulting engagements across Texas, Georgia, Louisiana, and Oklahoma, involving product liability, workplace injuries, and commercial litigation. His Ph.D. in Systems Science with a Manufacturing Systems concentration, along with certifications such as API 580 Risk Based Inspection and API 510 Pressure Vessel 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 mechanical and materials engineering failures.

Failure AnalysisForensic EngineeringNon-Destructive Testing+1
Construction Defects

Matthew Furlong

Certified Forensic Consultant

Middleburg, VA25 years+ yrs9.2

Matthew Furlong CBC, RBC, and ICC member is a construction defects expert specializing in forensic investigations and litigation support related to construction deficiencies. With a career spanning forensic engineering, scientific investigations, and failure analysis, he brings a comprehensive framework to litigation work involving construction claims. His work centers on investigating construction deficiencies, assessing building code compliance, and evaluating whether construction practices meet industry standards. Mr. Furlong has been retained in numerous expert witness and consulting engagements across Virginia, the District of Columbia, and Pennsylvania, involving construction defect cases, building pathology, and structural capability assessments. His Certified Forensic Consultant (CFC) designation from the American College of Forensic Examiners Institute, along with his multiple ICC inspector certifications, 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 building code compliance.

ConstructionBuilding pathologyStructural capability+11
Geologic, hydrologic and geophysical data interpretation

Timothy J. Mayotte, Ph.D., CPG, P.E.

Ph.D., CPG, P.E.

East Lansing, Michigan37 years+ yrs9.2

Timothy J. Mayotte, Ph.D., CPG, P.E. is an Environmental Engineering expert specializing in geologic, hydrologic, and geophysical data interpretation. With a career spanning biological and physico-chemical treatment technologies, numerical modeling of water flow, and geotechnical investigations, he brings a multidisciplinary approach to complex environmental litigation. His work centers on investigating contamination pathways, assessing remediation strategies, and evaluating whether engineering standards have been met. Mr. Mayotte has been retained in numerous expert witness and consulting engagements across the United States, involving environmental remediation, civil engineering, and industrial wastewater treatment cases. His Doctor of Philosophy in Environmental Engineering, along with certifications as a Certified Professional Geologist 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 groundwater contamination and remediation strategies.

Biological and physico-chemical treatment technologiesNumerical modeling of ground- and surface-water flowGeotechnical investigations and soil mechanics+15
Dentist

Edward Ruvins

Dental Legal Expert

Miami, Florida30+ years+ yrs9.2

Edward Ruvins, DDS, MS, MBA, MSF, MSAC, DABOI/ID, DICOI, DIDIA, FAAID, LAC, MCAP, CVA, CFE, MAFF is a dental legal expert specializing in surgical and reconstructive oral implantology and complex full-mouth rehabilitation. With a career spanning clinical practice, academic research, and consultancy, he brings a multidisciplinary perspective to litigation work. His work centers on investigating standards of care, assessing dental implantology procedures, and evaluating whether clinical negligence has occurred. Mr. Ruvins has been retained in numerous expert witness and consulting engagements across the United States, involving dental malpractice, implant complications, and standard of care disputes. His Doctor of Dental Surgery from New York University College of Dentistry, along with certifications such as Diplomate of the American Board of Oral Implantology/Implant Dentistry and Certified Valuation Analyst, 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 dental standards of care and implantology.

Appraisal & ValuationDental Standards of Care & Clinical NegligenceDental Implantology (Surgical & Prosthetic)+8
Toxicology

David M. Lehmann, Ph.D.

Criminal Justice and Security Consultant

Raleigh, NC40+ years+ yrs9.2

Roy G. Taylor, Ph.D. is a criminal justice and security consulting expert specializing in police procedures and law enforcement training. With a career spanning federal, state, and local law enforcement leadership roles, he brings a comprehensive perspective to analyzing law enforcement practices and procedures. His work centers on investigating use of force incidents, assessing police pursuit tactics, and evaluating the implementation of law enforcement policies. Mr. Taylor has been retained in numerous expert witness and consulting engagements across the United States, involving police practices, law enforcement training, and security management. His Ph.D. in Criminal Justice from Walden University, along with certifications such as Certified Homeland Security Specialist III and Advanced Force Science Specialist, 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 use of force and police procedures.

Infectious DiseasesToxicology & EcotoxicologyToxicological Risk Assessment+27
Maritime

Capt. David G. Bacon

Expert Witness

Santa Barbara, CA51 years+ yrs9.2

Capt. David G. Bacon is a maritime expert specializing in boating accidents and marina safety litigation. With a career encompassing boat charter operations, maritime nonprofit leadership, and extensive editorial work in marine electronics, he brings a multifaceted perspective to his litigation work. His work centers on investigating vessel operation failures, assessing captain and crew responsibilities, and evaluating compliance with maritime safety standards. Mr. Bacon has been retained in numerous expert witness and consulting engagements across California, involving cases related to boating accidents, equipment failures, and maritime safety. His Associate Arts degree in Business Administration, along with his U.S. Coast Guard licensed vessel captain 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 vessel operation and safety compliance.

Slip Trip & Fall
Biomechanics

Mohammad Atarod, Ph.D., P.E.

Principal Biomechanical Engineer and Accident Reconstructionist

Laguna Niguel, CA13 years+ yrs9.2

Mohammad Atarod, Ph.D., P.E. is a biomechanical engineering and accident reconstruction expert specializing in the biomechanical analysis of injury and premises liability cases. With a career encompassing advanced biomechanical research, accident reconstruction, and premises liability assessments, he brings a multidisciplinary perspective to litigation work. His work centers on investigating accident dynamics, assessing injury causation, and evaluating compliance with safety standards. Mr. Atarod has been retained in numerous expert witness and consulting engagements across North America, involving cases such as vehicle collisions, slip/trip and fall incidents, and premises liability. His Doctor of Philosophy in Biomedical Engineering (Biomechanics), along with certifications such as the Crash Data Retrieval (CDR) Analyst 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 accident reconstruction and injury biomechanics.

Accident ReconstructionBiomechanical Analysis of InjuryPremises Liability+3
Neurology

Jonathan Silver Rutchik

MD, MPH, FACOEM, FAAN

Mill Valley, CA30 years+ yrs9.2

Jonathan Silver Rutchik, MD, MPH, FACOEM, FAAN is a Neurology and Occupational Medicine expert specializing in neurotoxicology and environmental medicine litigation. With a career encompassing neurology, electromyography, and occupational health, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating chemical exposure impacts, assessing occupational health risks, and evaluating whether neurotoxicological standards have been met. Dr. Rutchik has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to chemical exposures, workplace injuries, and toxic neuropathy. His Doctor of Medicine from Hahnemann Medical College, along with Board Certified Diplomate status from the American Board of Preventive Medicine and the American Board of Psychiatry and Neurology, 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 neurotoxicology and occupational health.

Occupational MedicineElectromyographyNeurotoxicology+1
Medical Devices

Eric S. Heinz

Management Consultant and Expert Witness

Memphis, TN22 years+ yrs9.2

Eric S. Heinz, MBA is a Medtech industry expert specializing in litigation involving medical devices, FDA regulatory processes, and intellectual property disputes. With a career spanning general management, mergers and acquisitions, and product development, he brings a strategic and operational perspective to complex litigation matters. His work centers on investigating regulatory compliance, assessing product liability, and evaluating intellectual property claims. Mr. Heinz has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to medical devices, mergers and acquisitions, and commercial practices. His Executive MBA in Corporate Strategy/Finance from Northwestern University, along with certifications such as Registered United States Patent Agent and Certified Project Management Professional, 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 medical devices and related commercial practices.

MarketingGeneral ManagementMedtech Industry
Occupational Hygiene

Dr. John H Murphy

President – REA Group, Adjunct Professor

Clearwater Beach, FL37 years+ yrs9.2

Dr. John H Murphy, BSc MHSc MBA PhD ROH CIH MACE is an occupational hygiene and environmental health expert specializing in industrial hygiene and infectious disease litigation. With a career encompassing diverse roles in occupational health, safety management, and environmental epidemiology, he brings a multifaceted perspective to his litigation work. His work centers on investigating hazardous material exposure, assessing occupational disease causation, and evaluating compliance with health and safety standards. Dr. Murphy has been retained in numerous expert witness and consulting engagements across North America, involving cases related to asbestos, chemical exposure, and infectious disease outbreaks. His Doctor of Philosophy in Public Health from the University of Toronto, along with certifications such as Certified Industrial Hygienist (CIH) and Registered Occupational Hygienist (ROH), 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 and environmental health issues.

Environmental HealthIndustrial HygieneIndoor Air Quality
Premises Liability

Mark Harless

Security Consultant

Buford, GA32 years+ yrs9.1

Mark Harless, MS, PSP is a security consultant expert specializing in security negligence and premises liability litigation. With a career that spans federal law enforcement and corporate cybersecurity, he brings a unique blend of investigative and strategic insight to his litigation work. His work centers on conducting security assessments, developing risk mitigation strategies, and evaluating compliance with industry standards. Mr. Harless has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to security negligence, premises liability, and complex fraud analysis. His Master of Science in Criminology from Florida State University, along with his Physical Security Professional (PSP) 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 physical security and threat intelligence.

SecurityPhysical SecurityCybersecurity+7
Chemistry & Chemicals

Jihye Kim (Hanson)

Ph.D, PMP

Houston, TX15+ years+ yrs9.1

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
Inadequate/Negligent Security

Shawn F. Wurtsmith

Managing Partner | Expert Witness – Physical Security

Elizabeth, Colorado23 years+ yrs9.1

Shawn F. Wurtsmith, MBA, PSP is a physical security expert specializing in inadequate/negligent security and premises liability litigation. With a career spanning security program management, threat and vulnerability assessment, and emergency response planning, he brings a strategic framework to analyzing security failures and operational deviations. His work centers on investigating security negligence, assessing premises liability, and evaluating whether emergency response protocols meet industry standards. Mr. Wurtsmith has been retained in numerous expert witness and consulting engagements nationwide, involving cases across governmental, healthcare, cannabis, petrochemical, hospitality, defense, and themed entertainment sectors. His Master of Business Administration in Business Management, along with certifications such as Physical Security Professional (PSP), 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 physical security standards and negligence.

Premises LiabilityCrime ForeseeabilityRisk Management+18
Premises Liability

Stephen T. (Troy) Newman

Managing Partner

Anchorage, AK11 years+ yrs9.1

Stephen T. (Troy) Newman, CPP is a premises liability and negligent security expert specializing in cases involving multi-family housing, retail, and commercial establishments. With a career encompassing military leadership, emergency management, and security consulting, he brings a strategic and operational framework to litigation work. His work centers on investigating security program compliance, assessing foreseeability in violent crime incidents, and evaluating whether security deficiencies contributed to harm. Mr. Newman has been retained in numerous expert witness and consulting engagements across the United States, involving cases at apartments, gas stations, convenience stores, and other commercial properties. His Bachelor’s in Criminal Justice from Mercer University, along with his Certified Protection Professional (CPP) 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 responsibility in disputes involving security standards and practices.

SecurityNegligent SecurityForeseeability Analysis+8
Forensic Science

Kourosh Nikoui

Certified Forensic Identification Consultant

Newark, CA37 years+ yrs9.1

Kourosh Nikoui, Certified Forensic Identification Consultant is a forensic identification expert specializing in crime scene investigation and latent print analysis. With a career spanning forensic science, criminalistics, and forensic photography, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating crime scenes, assessing latent print evidence, and evaluating the authenticity of forensic identifications. Mr. Nikoui has been retained in numerous expert witness and consulting engagements across the United States, involving complex forensic identification and crime scene reconstruction cases. His Bachelor Degree in Fine Arts in Photography, along with certifications as a Certified Latent Print Examiner, Certified Senior Crime Scene Analyst, and Certified Forensic Photographer, 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 forensic identification and crime scene analysis.

CriminalistForensic IdentificationCrime Scene Investigation+1
hospitality standard of care

Kenneth C. Free

Hospitality Industry Expert in Standard of Care and Operational Disputes

Greenwich, Connecticut53 years+ yrs9.1

Kenneth C. Free, MBA, RRP, CMHS is a hospitality industry expert specializing in standard of care and operational disputes. With a career spanning hotel operations, asset management, development, and financial oversight, he brings a real-world operational framework to analyzing where deviations from industry standards may have occurred. His work centers on investigating hospitality standard of care, assessing business interruption damages, and evaluating whether hotel operations liability has been breached. Mr. Free has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving hospitality standard of care, business interruption damages, and hotel operations liability. His MBA in Finance, along with Registered Resort Professional (RRP) and Certified Master Hotel Supplier (CMHS) certifications, 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 hospitality operations.

business interruption damageshotel operations liabilityfinancial impact assessment+2
Digital Forensics

David Greetham

Digital Forensics Expert

Dallas & Houston, TX28 years+ yrs9.1

David Greetham, Certified Forensic Litigation Consultant, Certified eDiscovery Specialist, Certified Computer Crime Investigator, Certified Computer Forensic Technician, Certified Information Governance Officer, Certified Fraud Examiner is a digital forensics expert specializing in eDiscovery methodologies and forensic analysis. With a career encompassing leadership roles in digital forensics and eDiscovery, he brings a strategic perspective to litigation involving complex data environments. His work centers on investigating digital evidence, assessing eDiscovery processes, and evaluating whether information governance standards have been met. Mr. Greetham has been retained in numerous expert witness and consulting engagements both nationally and internationally, involving cases such as theft of trade secrets and fraud investigations. His Master of Science in Forensic Computing from Cranfield University, along with certifications such as Certified Forensic Litigation Consultant and Certified eDiscovery Specialist, 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 digital forensics and information governance.

ComputerseDiscovery
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