Expert Witness Directory

Find the Right Expert
for Every Case

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

MedicalEngineeringFinanceForensicPsychologyConstructionAccountingTechnology

Showing 649–666 of 1,756 experts

Transportation
TB

Timothy Borchers

Light Rail & Transit Systems Expert Witness

Tampa, FL41 years+ yrs★ 8.3

Timothy Borchers is a light rail and transit systems expert specializing in safety certification and regulatory compliance in public transportation. With a career encompassing management, operational, technical, and regulatory experience in both public and private sectors, he brings a comprehensive framework to his litigation work. His work centers on investigating accident causation, assessing regulatory adherence, and evaluating whether safety management systems meet industry standards. Mr. Borchers has been retained in numerous expert witness and consulting engagements across the United States, involving light rail and streetcar accidents, automated people mover incidents, and transit bus accidents. His Bachelor of Business Administration in Management, along with certifications such as Transit Rail System Safety and Transit Rail Incident 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 causation in disputes involving transit system safety and regulatory compliance.

RailroadAll Aspects of Light Rail SystemsSafety and Regulatory Compliance+8
Engineering
JR

John R. Stauder

Principal

Walnut Creek, CA22 years+ yrs★ 8.3

John R. Stauder is a fire protection engineering expert specializing in fire protection system design and building code consulting. With a career spanning engineering, construction defects, and fire protection, he brings a comprehensive framework to litigation work involving fire safety and compliance issues. His work centers on investigating fire protection system failures, assessing building code compliance, and evaluating whether fire safety measures meet industry standards. Mr. Stauder has been retained in numerous expert witness and consulting engagements across the United States, involving fire protection systems, building codes, and life safety evaluations. His MEng in Fire Protection Engineering from the University of Maryland, along with P.E. registration 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 fire protection and building code compliance.

Construction DefectsFire ProtectionBuilding Code Consulting+1
Premises Liability
DM

Don McGray

Board Certified Security Consultant

Huntington Beach, CA40+ years+ yrs★ 8.3

Don McGray, CPP is a security management expert specializing in premises liability and negligent security analysis. With a career spanning military, corporate, and consulting sectors, he brings a strategic perspective to litigation work involving security protocols and threat assessments. His work centers on investigating inadequate security measures, assessing threat levels, and evaluating whether security standards have been met. Mr. McGray has been retained in numerous expert witness and consulting engagements across the United States, involving cases in military, corporate, and residential property sectors. His BBA in Finance, along with his Certified Protection Professional (CPP) 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 security procedures and threat assessments.

SecurityPhysical SecurityThreat Assessment+3
HVAC
DG

David G. Shreve, P.E.

Senior Consultant

San Diego, CA35 years+ yrs★ 8.3

David G. Shreve, P.E. is a mechanical and forensic engineering expert specializing in construction defects and engineering design disputes. With a career spanning forensic consulting, engineering design, design-build, and construction administration, he brings a multifaceted perspective to litigation work. His work centers on investigating design errors and omissions, assessing construction claims, and evaluating whether property damage or personal injury resulted from engineering failures. Mr. Shreve has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, higher education, hotel, and residential properties. His Bachelor of Science in Mechanical Engineering from the University of Michigan, along with CPD Certified in Plumbing Design (ASPE) and LEED Accredited Professional 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 HVAC, plumbing, and fire protection systems.

PlumbingForensic ConsultingEngineering Design+6
Meteorology
CG

Christopher Gloninger, CBM, CCM

Certified Consulting Meteorologist

BARNSTABLE, Massachusetts20 years+ yrs★ 8.3

Christopher Gloninger, CBM, CCM is a meteorology expert specializing in forensic meteorology and emergency preparedness litigation. With a career spanning climate change adaptation, climate mitigation, and emergency management, he brings a strategic perspective to litigation work. His work centers on investigating climate-related impacts, assessing emergency preparedness measures, and evaluating whether meteorological standards were met. Mr. Gloninger has been retained in numerous expert witness and consulting engagements across various geographic regions, involving climate change, emergency management, and forensic meteorology cases. His MS in Emergency Management - Climate Adaptation from Millersville University, along with American Meteorological Society certifications in broadcast (#235) and consulting meteorology (#791), 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 meteorological events and emergency preparedness.

Emergency Preparedness
Architecture
JR

James Rappoport

AIA – NCARB Professional Architect

Philadelphia, PA50 years+ yrs★ 8.3

James Rappoport, AIA – NCARB is an architectural expert specializing in ground-up, renovation, and historic adaptive reuse projects. With a career spanning urban design, planning, and architectural practice, he brings a comprehensive framework to litigation work involving complex design and construction disputes. His work centers on investigating building code compliance, assessing architectural design standards, and evaluating whether professional liability has been met. Mr. Rappoport has been retained in numerous expert witness and consulting engagements across the USA and internationally, involving cases related to office facilities, hotels, resorts, and retail developments. His Bachelor of Architecture from Cornell University and M. Sc. in Architecture & Urban Design from Columbia University, along with certifications from the National Council of Architectural Registration Boards (NCARB), 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 architectural design and construction practices.

Slip Trip & FallReal Estate Lending PracticesDevelopment Financing+31
Environmental
TD

Timothy D. Bechtel

PhD, PG

Lancaster, PA35 years+ yrs★ 8.3

Timothy D. Bechtel, PhD, PG is an Environmental and Hydrology expert specializing in sinkhole and karst-related litigation. With a career spanning geophysics, hydrogeology, and environmental consulting, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating subsurface conditions, assessing geophysical data, and evaluating whether environmental standards have been met. Mr. Bechtel has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to sinkholes, groundwater contamination, and karst terrains. His PhD in Geophysics from Brown University, along with his Certified Professional Geologist (PG) 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 geological and hydrological issues.

Hydrology
Hospitalist
DM

Darin M. Vercillo, MD

Physician, Clinical Leader, Healthcare Technology Executive

Centerville, Utah20+ years+ yrs★ 8.3

Darin M. Vercillo, MD is an internal medicine and healthcare technology expert specializing in medical legal analysis and expert witness testimony. With a career encompassing clinical leadership, healthcare technology innovation, and hospital governance, he brings a multifaceted perspective to litigation work. His work centers on investigating medical records accuracy, assessing standard of care in hospital settings, and evaluating causation in complex medical cases. Dr. Vercillo has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to cardiac events, sepsis, and hospital billing practices. His Doctor of Medicine from the University of Utah School of Medicine, along with board certification by the American Board of Internal Medicine and ACLS 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 hospitalist care, medical technology integration, and patient management protocols.

Insurance
Mold and Indoor Air Quality
SL

Shannon Luce

Certified Industrial Hygienist

Jacksonville, FL9 years+ yrs★ 8.3

Shannon Luce, MS, CIH, CSP is a Certified Industrial Hygienist expert specializing in industrial hygiene, environmental assessments, and occupational health & safety litigation. With a career encompassing leadership roles in inspection and restoration industries, she brings a strategic perspective to litigation work, informed by her experience in managing complex remediation projects and conducting workplace evaluations. Her work centers on managing complex projects involving multiple contaminants, conducting mold investigations and remediation, and evaluating compliance with industry standards. Ms. Luce has been retained in numerous expert witness and consulting engagements across Florida, involving mold assessment, asbestos abatement, and indoor air quality investigations. Her Master of Science in Occupational Safety and Health from Columbia Southern University, along with certifications such as Certified Industrial Hygienist and Certified Safety Professional, 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 industrial hygiene and environmental health matters.

Industrial HygieneEnvironmental AssessmentsOccupational Health & Safety+9
Accident Reconstruction
JF

Jason Fries

CEO and Lead Forensic Expert

Concord, CA20+ years+ yrs★ 8.3

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
Construction Defects
BT

Barry Taheri

Expert Witness

Long Beach, CA34 years+ yrs★ 8.3

Barry Taheri is a construction defects expert specializing in forensic investigations and exterior envelope failure analysis. With a career spanning forensics, weatherization, and field testing, he brings a comprehensive understanding of building science and waterproofing systems to his litigation work. His work centers on investigating construction defects, assessing weatherization failures, and evaluating whether industry standards were met in building enclosure systems. Mr. Taheri has been retained in numerous expert witness and consulting engagements across California, involving construction defect cases in residential, commercial, and retail properties. His education from the USC School of Architecture and Engineering, along with certifications such as the DuPont Envelope certification (DWSRC 1082) and California Contractor’s License (B 904491), 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 waterproofing systems and construction engineering.

Construction EngineeringForensicsWeatherization+4
Premises Liability
DM

David M. Diamond, Ph.D.

Architect and Forensic Expert

Tampa, Florida30+ years+ yrs★ 8.3

David M. Diamond, Ph.D. is a neuroscience and psychology expert specializing in memory, stress, and PTSD litigation. With a career encompassing cognitive neuroscience, traumatic brain injury research, and human factors analysis, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating memory failures, assessing stress impacts on cognitive function, and evaluating whether PTSD diagnostic measures meet scientific standards. Dr. Diamond has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to traumatic memory processing, PTSD, and cognitive treatment efficacy. His Ph.D. in Biology, along with his fellowship in the American Institute of Stress, 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 memory and stress-related conditions.

Construction DefectsLand Use Control LawAmericans with Disabilities Act+54
Aviation & Aerospace
RM

Ronald M. Barrett-Gonzalez

Professor of Aerospace Engineering

Lawrence, Kansas39 years+ yrs★ 8.3

Ronald M. Barrett-Gonzalez, Professor of Aerospace Engineering is an aerospace engineering expert specializing in adaptive aerostructures and UAV design litigation. With a career spanning aviation engineering, patent litigation, and flight safety, he brings a comprehensive framework to his litigation work. His work centers on investigating aircraft design integrity, assessing flight safety protocols, and evaluating whether engineering standards were met. Mr. Barrett-Gonzalez has been retained in numerous expert witness and consulting engagements across the United States, involving aerospace engineering, UAV design, and patent litigation. His Ph.D. with Honors in Aerospace Engineering, along with his status as a Fellow of the National Academy of Inventors and Associate Fellow of the American Institute of Aeronautics and Astronautics, 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 aircraft design and safety.

EngineeringAdaptive AerostructuresUAV Design+1
Education & Schools
JG

Jacqueline Gharapour Wernz

Civil Rights Consultant & Attorney

Dallas, Texas19 years+ yrs★ 8.3

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
Education & Schools
DS

Dr. Saralyn Grass

Executive Leader, Consultant, and Expert Witness

Jacksonville, Florida20+ years+ yrs★ 8.3

Dr. Saralyn Grass, Ed.D. is an Education & Schools expert specializing in school safety and instructional leadership litigation. With a career encompassing executive leadership in youth development and educational policy, she brings a strategic oversight perspective to litigation work. Her work centers on investigating compliance with daycare standards, assessing negligence in child injury cases, and evaluating whether mandated reporting protocols were followed. Dr. Grass has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to early childhood education, organizational performance, and child safety standards. Her Doctor of Education in Educational Policy & Leadership, along with her Master of Science in Human Development & Family Studies, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standards of care in disputes involving early education and childcare licensing.

School SafetyInstructional LeadershipEarly Childhood Education+1
Education & Schools
TE

Timothy Edward Staycer

Educator and Coach

Encinitas, CA37 years+ yrs★ 8.3

Timothy Edward Staycer, M.A., B.A. is a special education and athletics expert specializing in individualized education programs (IEPs) and student-athlete safety. With a career spanning special education teaching, athletic coaching, and union leadership, he brings a multifaceted perspective to litigation work involving educational compliance and sports safety. His work centers on investigating IEP implementation, assessing coaching practices, and evaluating whether educational standards are met. Mr. Staycer has been retained in numerous expert witness and consulting engagements across California, involving special education compliance and athletic program safety. His M.A. in Special Education, along with certifications such as the Sudden Cardiac Arrest Training Certificate of Completion and Concussion in Sports Learning Center Certificate of Completion, 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 educational practices and athletic safety protocols.

Athletics & RecreationIEP Development & ImplementationClassroom & Behavior Management+5
Business Damages
MG

Michael Goldman

Certified Public Accountant

Deerfield, Illinois30 years+ yrs★ 8.3

Michael Goldman, Certified Public Accountant, Certified Valuation Analyst, Certified Fraud Examiner, Certified in Financial Forensics, Master of Management is a forensic accounting and economic damages expert specializing in litigation support for fraud, insolvency, and business valuation cases. With a career spanning forensic reviews, corporate reorganizations, and bankruptcy advisory, he brings a strategic perspective to analyzing financial discrepancies and assessing economic damages. His work centers on investigating fraudulent activities, assessing economic damages, and evaluating whether financial misstatements have occurred. Mr. Goldman has been retained in numerous expert witness and consulting engagements across the United States, involving cases of fraud, shareholder disputes, and insolvency. His Master of Management in Finance and Accounting from Northwestern University, along with certifications as a Certified Public Accountant, Certified Valuation Analyst, Certified Fraud Examiner, and Certified in Financial Forensics, 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 financial fraud and economic damages.

FraudForensic reviewsLitigation support+3
Insurance and Risk Management
EJ

Edward J. Priz

Forensic Premium Auditor, Consultant, Author, Expert Witness

Berwyn, IL48 years+ yrs★ 8.3

Edward J. Priz, CPCU, APA is a forensic premium auditor expert specializing in commercial insurance cost and coverage litigation. With a career spanning insurance underwriting, premium audits, and agent/broker professional standards, he brings a comprehensive framework to litigation involving Workers Compensation and other commercial insurance issues. His work centers on investigating premium audits, assessing underwriting practices, and evaluating whether classifications and experience modifiers align with industry standards. Mr. Priz has been retained in numerous expert witness and consulting engagements across the United States, involving Workers Compensation insurance, commercial property, and liability insurance cases. His Bachelor of Arts degree from Roosevelt University, along with his Chartered Property Casualty Underwriter (CPCU) and Associate in Premium Auditing (APA) 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 responsibility in disputes involving insurance premium computations and agent/broker standards of care.

Workers CompensationCommercial Insurance
AI-Powered Matching

Need a smarter search?

Create a free account to access our AI-powered expert matching and save your searches for future cases.

Get Started Free

Trusted by law firms, insurers, and legal teams