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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.

MedicalEngineeringFinanceForensicPsychologyConstructionAccountingTechnology

Showing 253–270 of 1,756 experts

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Construction Defects
SS

Shauna Serafini

Senior Consultant and Principal

Lake Worth, Florida19 years+ yrs★ 8.8

Shauna Serafini, RWC, FMPC is a building envelope and waterproofing systems expert specializing in the design, installation, and performance assessment of exterior glazing, walls, and waterproofing systems. With a career spanning forensic analysis, construction management, and quality assurance inspections, she brings a comprehensive framework to litigation work involving building enclosures. Her work centers on investigating water leak issues, assessing wind damage, and evaluating whether construction defects have occurred. Mrs. Serafini has been retained in numerous expert witness and consulting engagements throughout Florida, involving construction defects and building inspection cases. Her Bachelor of Science in Civil Engineering, along with certifications such as Registered Waterproofing Consultant (RWC) and Fenestration Master (FMPC), 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 building envelope systems.

Building InspectionExterior glazingWalls and waterproofing systems
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Electric Expert
CL

Chris Larson

Certified Fire and Explosion Investigator (CFEI)

San Diego, California36 years+ yrs★ 8.8

Chris Larson, CFEI is a high-voltage electric utility expert specializing in accident investigation and safety compliance. With a career spanning roles from Journeyman Lineman to Director of Safety and Training, he brings a comprehensive understanding of field operations and legal complexities to his litigation work. His work centers on investigating electrical incidents, assessing OSHA compliance, and evaluating whether safety protocols were followed. Mr. Larson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electrical utility safety, construction incidents, and fire investigations. His Journeyman Lineman Certification in Electrical, along with his Certified Fire and Explosion Investigator (CFEI) 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 high-voltage electrical systems and safety compliance.

OSHAConstructionElectrical Contact+23
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Accident Reconstruction
CJ

Christopher J. Kennedy

ACTAR, EIT

Hampden, MA8 years+ yrs★ 8.8

Christopher J. Kennedy, ACTAR, EIT is an accident reconstruction expert specializing in human factors and traffic accident analysis. With a career spanning law enforcement, engineering, and forensic analysis, he brings a multidisciplinary perspective to litigation work. His work centers on investigating collision dynamics, assessing human factors in accident scenarios, and evaluating whether roadway design standards were met. Mr. Kennedy has been retained in numerous expert witness and consulting engagements across the Northeastern United States, involving criminal and civil cases related to traffic accidents and roadway design. His B.S. in Industrial Engineering, along with certifications such as ACTAR Accreditation and Engineer in Training (EIT), 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 human factors.

Human Factors
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Structural Engineering
RS

Richard S. Barrow

P.E., S.E., S.I.

Estero, FL37 years+ yrs★ 8.8

Richard S. Barrow, P.E., S.E., S.I. is a structural and forensic engineering expert specializing in forensic engineering, structural repairs, and claim investigations. With a career spanning structural design, forensic investigations, and special inspections, he brings a comprehensive framework to litigation work involving structural failures and design deficiencies. His work centers on investigating structural failures, assessing design errors, and evaluating whether construction practices meet industry standards. Mr. Barrow has been retained in numerous expert witness and consulting engagements across the southeastern United States, involving structural failures, design deficiencies, and faulty construction cases. His Master of Science in Civil Engineering from the University of Texas at Austin, along with certifications such as Board Certified in Forensic Engineering and Urban Search & Rescue Structures 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 causation in disputes involving structural engineering and building codes.

Building InspectionForensic EngineeringStructural Repairs+1
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Employment and Management
MC

Maureen Clark

Human Resource Management, Expert Witness Consultation

Menlo Park, CA56 years+ yrs★ 8.8

Maureen Clark, SHRM-SCP, SPHR-CA is a Human Resource Management expert specializing in employment and management litigation. With a career spanning infrastructure development, problem-solving, and neutral fact-finding, she brings a comprehensive framework to her litigation work. Her work centers on investigating workplace practices, assessing compliance with HR standards, and evaluating whether employment policies have been properly implemented. Ms. Clark has been retained in numerous expert witness and consulting engagements across the United States, involving high tech, manufacturing, services, not-for-profit, education, and public sectors. Her M. Ed. in Counseling from San Jose State University, along with certifications such as SHRM-SCP and SPHR-CA, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving employment practices, wrongful termination, and workplace discrimination.

InfrastructureProblem solvingNeutral fact-finding+1
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Animations
ES

E. Steyn Visagie

Professional Land Surveyor, Forensic Animator

Dana Point, CA25 years+ yrs★ 8.8

E. Steyn Visagie, Professional Land Surveyor, Forensic Animator, FAA Certified Drone Pilot is a forensic animation and scene reconstruction expert specializing in surveying, mapping, and spatial analysis for litigation. With a career spanning forensic animation, scene mapping, and spatial data visualization, he brings a comprehensive framework to analyzing complex accident and incident reconstructions. His work centers on investigating scene dynamics, assessing spatial data accuracy, and evaluating whether visual demonstratives align with factual evidence. Mr. Visagie has been retained in numerous expert witness and consulting engagements across California and Virginia, involving accident reconstructions, public sector surveying, and transportation incidents. His BSc. in Surveying from the University of Cape Town, along with his Professional Land Surveyor licenses in California and 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 causation in disputes involving scene reconstruction and forensic animation.

Land SurveyingSurveyingMapping+2
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Police Practices & Procedures
BA

Bruce A. Champagne

Expert Witness

Sandy, UT24 years+ yrs★ 8.8

Bruce A. Champagne is an expert in aquatic crime scene investigations and law enforcement uses of force, specializing in crime and biomechanical analysis and behavioral profiling. With a career spanning law enforcement operations, tactical leadership, and forensic analysis, he brings a multidisciplinary perspective to litigation work. His work centers on investigating officer-involved incidents, assessing human performance factors, and evaluating whether law enforcement protocols were adhered to. Mr. Champagne has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to police practices, human factors, and tactical operations. His Master of Public Administration degree, along with certifications such as Force Science Investigator and Behavioral Profiling, 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 law enforcement procedures and human performance factors.

Human FactorsAquatic crime scene investigationsCrime and biomechanical analysis+10
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Seat Belts
DM

Daniel McLain

Traffic Collision Reconstructionist

Norco, CA27 years+ yrs★ 8.8

Daniel McLain, ACTAR, FAA sUAV Pilot is a traffic collision reconstruction expert specializing in accident causation and analysis. With a career spanning law enforcement, accident investigation, and drone technology, he brings a multifaceted perspective to litigation work. His work centers on investigating collision dynamics, assessing crash data retrieval, and evaluating whether traffic enforcement standards were met. Mr. McLain has been retained in numerous expert witness and consulting engagements across Southern California, involving vehicular manslaughter, insurance fraud, and multi-fatal collisions. His BS in Criminal Justice, along with certifications from the Accreditation Commission for Traffic Accident Reconstruction and the FAA, 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 and enforcement.

AirbagsRestraint SystemsCollision Analysis+17
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Audiology
DA

Dennis A. Colucci

Audiologist

Dana Point, CA★ 8.8

Dennis A. Colucci, M.A., Au.D., ABAC, FAAA is a forensic audiology expert specializing in noise-induced hearing loss and auditory disorders. With a career encompassing clinical, industrial, and rehabilitative audiology, he brings a multifaceted perspective to litigation involving auditory injuries and compliance with industry standards. His work centers on investigating noise exposure impacts, assessing auditory processing disorders, and evaluating whether hearing conservation measures meet regulatory requirements. Mr. Colucci has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to industrial noise exposure, veterans' auditory disabilities, and workplace safety compliance. His Doctor of Audiology in Audiology, along with certifications such as Board Certified in Audiology by the American Board of Audiology, 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 auditory injuries and compliance with OSHA regulations.

NoiseForensic AudiologyHearing and Balance Disorders
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Civil Engineering
JE

John E. Poole III, P.E.

Construction, Engineering, Forensic Expert

Philadelphia, PA20 years+ yrs★ 8.8

John E. Poole III, P.E. is a construction and engineering expert specializing in forensic engineering and construction management litigation. With a career spanning civil engineering, project management, and cost estimation, he brings a multifaceted perspective to litigation work. His work centers on investigating construction defects, assessing project delays, and evaluating whether industry standards were met. Mr. Poole has been retained in numerous expert witness and consulting engagements across Pennsylvania, New York, and New Jersey, involving commercial, residential, government, and institutional projects. His M.S. in Civil Engineering/Construction Management from the University of Colorado, Boulder, along with his Professional Engineer licenses in Pennsylvania, New York, Maryland, and Florida, 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 management and forensic engineering.

ConstructionConstruction ManagementForensic Engineering+4
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Police Procedures / Tactics
SA

Scott A. DeFoe

Consultant / Expert Witness

Huntington Beach, CA35 years+ yrs★ 8.8

Scott A. DeFoe is a police procedures and use of force expert specializing in litigation involving law enforcement tactics and internal investigations. With a career encompassing diverse roles in law enforcement, security management, and consulting, he brings a multifaceted perspective to his litigation work. His work centers on investigating police conduct, assessing use of force incidents, and evaluating whether law enforcement actions align with established protocols. Mr. DeFoe has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to police procedures, security management, and premise liability. His Master of Legal Studies from Pepperdine Law School, along with certifications such as California Peace Officer Standards and Training (P.O.S.T.) and Certified California Criminal Defense 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 standard of care in disputes involving law enforcement and security practices.

Use of Force (Lethal and Less Lethal)SWATK9+9
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Pulmonary Critical Care Medicine
CG

C. Gerard Petersen, M.D.

Attending Physician

Allentown, Pennsylvania20+ years+ yrs★ 8.8

C. Gerard Petersen, M.D. is a Pulmonary Critical Care Medicine expert specializing in pulmonary disease, critical care medicine, and sleep medicine litigation. With a career encompassing leadership roles in pulmonary medicine and academic appointments, he brings a comprehensive clinical and administrative perspective to his litigation work. His work centers on investigating pulmonary disease causation, assessing critical care standards, and evaluating whether deviations in sleep medicine protocols occurred. Dr. Petersen has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to pulmonary nodules, lung cancer, and occupational lung diseases. His Doctor of Medicine from Tufts University School of Medicine, along with certifications in Internal Medicine, Pulmonary Disease, Sleep Medicine, and Critical Care 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 causation in disputes involving pulmonary and critical care issues.

Sleep Medicine
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Aviation & Aerospace
KM

Keith M. Cianfrani

Aviation Accident Investigator

The Villages, Florida45 years+ yrs★ 8.8

Keith M. Cianfrani, Ed.D, (abd), MAS, CISM is an aviation accident investigation expert specializing in accident investigations and FAA enforcement proceedings. With a career spanning military aviation safety, commercial piloting, and safety consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating aviation accidents, assessing risk management practices, and evaluating whether safety management systems were properly implemented. Mr. Cianfrani has been retained in numerous expert witness and consulting engagements across the United States, involving aviation accident investigations and safety audits for Part 135 and Part 91 operators, among others. His MAS in Aviation Safety from Embry Riddle Aeronautical University, along with his Certified Flight Instructor (CFI) 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 aviation safety and human factors.

Accident ReconstructionAviation Accident InvestigationRisk Management+4
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Food and Public Health
CA

Catherine Adams Hutt

PhD, RD, CFS

Bonnerdale, AR★ 8.8

Catherine Adams Hutt, PhD, RD, CFS is a food safety and regulatory compliance expert specializing in litigation involving foodborne illness and regulatory matters. With a career spanning nutrition, food safety, and quality systems management, she brings a multidisciplinary approach to her litigation work. Her work centers on investigating food safety breaches, assessing regulatory compliance, and evaluating whether industry standards have been met. Ms. Adams Hutt has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to food manufacturing, food fraud, and dietary supplements. Her PhD in Food Science, along with her Registered Dietitian and Certified Food Scientist certifications, 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 food safety and regulatory compliance.

NutritionFood SafetyRegulatory Compliance
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Digital Forensics
JM

Jeff Martin

Digital Evidence Expert Witness

Tucson, AZ28 years+ yrs★ 8.8

Jeff Martin, CFCE, CCO, CCPA, Magnet Certified Forensic Examiner, X-Ways and Advanced X-Ways Certificate of Training, Hawk Analytics’ Cellular Technology, Mapping & Analysis Training is a Digital Forensics Expert specializing in digital evidence acquisition, preservation, and analysis. With a career encompassing roles in law enforcement, private investigation, and academia, he brings a multifaceted perspective to litigation work. His work centers on investigating digital evidence integrity, assessing data retrieval processes, and evaluating whether cybersecurity protocols were breached. Mr. Martin has been retained in numerous expert witness and consulting engagements across the United States and the Cayman Islands, involving cases related to digital forensics, cybersecurity breaches, and telecommunications analysis. His MS in Cyber Security & Information Assurance, along with certifications such as Certified Forensic Computer Examiner and Cellebrite Certified Physical 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 causation in disputes involving digital forensics and cybersecurity issues.

CybersecurityCyber SecurityIncident Response+1
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Construction
HR

Homer R. Peterson II, P.E., CSP

President

Houston, TX40 years+ yrs★ 8.8

Homer R. Peterson II, P.E., CSP is a construction and safety consulting expert specializing in occupational health & safety management systems, standards of care, and OSHA matters. With a career encompassing diverse roles in construction management, he brings a multifaceted perspective to litigation work involving safety and risk management. His work centers on investigating safety compliance, assessing construction practices, and evaluating whether industry standards have been met. Mr. Peterson has been retained in numerous expert witness and consulting engagements across the United States, involving construction disputes, wrongful death, and personal injury cases. His Bachelor of Science in Civil Engineering with Honors from Southern Methodist University, along with certifications such as Certified Safety Professional and Certified Forensic Litigation Consultant, 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 construction safety and OSHA compliance.

SafetyOccupational health & safety management systemsStandards of care+8
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Civil Engineering
MC

Matthew C. Neff

P.E., P.S.

Cleveland, Ohio43 years+ yrs★ 8.8

Matthew C. Neff, P.E., P.S. is a civil engineering and land surveying expert specializing in land development and drainage litigation. With extensive experience in civil/site engineering, design, and review of infrastructure projects, he brings a comprehensive understanding of regulatory compliance and technical standards to his litigation work. His work centers on investigating site planning and design, assessing stormwater management systems, and evaluating whether industry standards were met in land development projects. Mr. Neff has been retained in numerous expert witness and consulting engagements across Ohio and Florida, involving cases related to commercial, industrial, and residential development projects. His Bachelor of Science in Civil Engineering from the University of Notre Dame and Master of Business Administration from Cleveland State University, along with his Professional Engineer and Professional Surveyor 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 responsibility in disputes involving civil engineering and land surveying matters.

Land SurveyingCivil / Site EngineeringDesign and Review of Roadways+15
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Mechanical inspections, accident reconstruction and vehicle fire analysis.
JD

John D. Zeirke, P.E.

Mechanical Engineer

Blaine, Minnesota20+ years+ yrs★ 8.8

John D. Zeirke, P.E. is a mechanical engineering expert specializing in accident reconstruction and vehicle fire analysis. With a career spanning mechanical inspections, product liability, and forensic investigations, he brings a comprehensive technical framework to litigation work. His work centers on investigating mechanical failures, assessing product liability claims, and evaluating whether industry standards were met in vehicle accident scenarios. Mr. Zeirke has been retained in numerous expert witness and consulting engagements across the Midwest, involving vehicle accident reconstruction, fire investigations, and mechanical failure analysis. His Bachelor of Science in Mechanical Engineering from Marquette University, along with certifications such as NAFI CFEI & CVFI and ACTAR, 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 vehicle accidents.

Damage assessments of heavy machinery and agricultural equipment.EDR downloads of passenger vehicles and commercial trucks and pre-crash data analysis.Mechanical related property failure analysis, including boilers, water heaters, and pipe freezes.+5
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