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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 181–198 of 3,373 experts

Hotel & Restaurant

Gary L Deel

PhD, JD

Windermere, FL20+ years+ yrs★ 9.0

Gary L. Deel, PhD, JD, MS, CLSD, CHSP, CHSE, CHE, CHIA, SHRM-CP, CFE, APP is a hospitality and tourism management expert specializing in legal and operational disputes within the hospitality industry. With a diverse background in hotel operations, legal practice, and academic leadership, he brings a multifaceted perspective to his litigation work. His work centers on investigating compliance with industry standards, assessing operational practices, and evaluating whether negligence occurred in hospitality settings. Mr. Deel has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases in hotels, resorts, casinos, restaurants, and other hospitality sectors. His Doctorate of Philosophy in Hospitality Administration, along with certifications such as Certified Fraud Examiner and Certified Hotel Industry 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 hospitality management and operations.

Travel & TourismHospitality ManagementLaw+2
Traffic Engineering

Dr. Hossam Abdel All

Senior Traffic Operations and Safety Engineer

Miami, FL9 years+ yrs★ 9.0

Dr. Hossam Abdel All, PhD, MSc, BSc, PTOE, P.E. is a Traffic Engineering expert specializing in traffic signal control, traffic operations, and safety studies. With a career encompassing both public and private sector roles, he brings a balanced perspective to litigation work, integrating technical proficiency with client relationship management. His work centers on investigating traffic signal timing, assessing intersection safety, and evaluating whether traffic control measures meet industry standards. Dr. Abdel All has been retained in numerous expert witness and consulting engagements across Florida and Michigan, involving traffic signal control, ITS projects, and safety studies. His Doctor of Philosophy in Civil Engineering, along with certifications such as Professional Traffic Operations Engineer (PTOE) and IMSA Level III, 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 signal operations and safety compliance.

Traffic Signal ControlTraffic OperationsSafety Studies+1
Trip and Falls

David Louis Swartz, FAIA IIDA NCARB LEED AP

FAIA IIDA NCARB LEED AP

Los Angeles, California42 years+ yrs★ 9.0

David Louis Swartz, FAIA IIDA NCARB LEED AP is a construction defects and slip trip & fall expert specializing in building codes and architectural design litigation. With a career spanning architectural design, construction administration, and historic renovation, he brings a nuanced understanding of compliance and safety standards to his litigation work. His work centers on investigating construction defects, assessing ADA compliance, and evaluating whether building codes have been adhered to. Mr. Swartz has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to construction defects, ADA compliance, and architectural design. His Master of Architecture from the University of Southern California, along with his LEED Accredited Professional 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 standard of care in disputes involving architectural design and construction compliance.

CodesArchitectureInterior Design+20
Construction

Mohamed E. Hassan

PhD, P.E.

Haymarket, VA40 years+ yrs★ 9.0

Mohamed E. Hassan, PhD, P.E. is a construction and engineering expert specializing in construction defects and disputes. With a career spanning structural engineering, construction management, and mediation, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating construction failures, assessing compliance with building codes, and evaluating whether engineering standards were met. Mr. Hassan has been retained in numerous expert witness and consulting engagements across Virginia and Texas, involving commercial and residential construction disputes. His PhD in Civil, Environmental and Infrastructure Engineering, along with his Professional Engineer licenses in Virginia and Texas, 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 defects and engineering design.

Construction Defects
Packaging

Randy Phares

Packaging Expert

Surprise, AZ30+ years+ yrs★ 9.0

Randy Phares is a packaging expert specializing in products liability, transportation, and packaging logistics. With a career spanning packaging design, manufacturing operations, and intellectual property, he brings a strategic perspective to litigation work. His work centers on investigating packaging failures, assessing logistics processes, and evaluating whether industry standards were met. Mr. Phares has been retained in numerous expert witness and consulting engagements across North America, involving cases related to packaging, procurement, and lean manufacturing. His Bachelor of Science in Business Administration, along with certifications such as Certified Quality Manager and Certified Quality 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 responsibility in disputes involving packaging design and logistics.

ProcurementShippingLean Manufacturing+13
Assessment

Adam R. Bruno

PsyD, LMFT, LEP, ATP

Sherman Oaks, CA20+ years+ yrs★ 9.0

Adam R. Bruno, PsyD, LMFT, LEP, ATP is a psychology and education expert specializing in the assessment, diagnosis, and treatment of psychological disorders and special education needs. With a career spanning mental health and educational psychology, he brings a nuanced understanding of both therapeutic and educational frameworks to his litigation work. His work centers on investigating psychological conditions, assessing educational accommodations, and evaluating whether legal standards in special education have been met. Mr. Bruno has been retained in numerous expert witness and consulting engagements across multiple states, involving cases related to psychological disorders, special education assessments, and custody dynamics. His Doctor of Psychology in Clinical Specialization, along with certifications as a Licensed Marriage and Family Therapist and Certified Assistive Technology 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 in disputes involving psychological and educational matters.

Diagnosis and treatment of autismGender dysphoriaDepression+10
Industrial Hygiene and Safety

Theodore J. Hogan

Associate Professor, Department of Engineering Technology

DeKalb, IL41 years+ yrs★ 9.0

Theodore J. Hogan, PhD, CIH is an Industrial Hygiene and Safety expert specializing in workplace safety and health litigation. With a career spanning environmental health, safety management, and sustainability, he brings a comprehensive framework to his litigation work. His work centers on investigating workplace safety incidents, assessing compliance with health standards, and evaluating whether safety protocols were effectively implemented. Mr. Hogan has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as electrical injuries, chemical exposures, and occupational lung diseases. His Ph.D. in Public Health (Environmental and Occupational Health Sciences), along with his Certified Industrial Hygienist (CIH) 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 industrial hygiene and safety matters.

Environmental HealthSafetySustainability
Metallurgy

Edward S. George

C.W.I., P.E.

St. Augustine, FL38 years+ yrs★ 9.0

Edward S. George, C.W.I., P.E. is a metallurgical and materials engineering expert specializing in forensic engineering and materials failure analysis. With a career spanning forensic science, quality assurance, and coatings inspection, he brings a multidisciplinary perspective to litigation work. His work centers on investigating material failures, assessing compliance with industry standards, and evaluating whether construction defects have occurred. Mr. George has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, construction defects, and industrial material failures. His M.S. in Materials Science and Engineering, along with certifications as a Certified Welding Inspector and Certified AMPP Coating Inspector Level 1, 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 metallurgical failures and material science issues.

Failure AnalysisMaterials ScienceForensic Engineering
Traffic Engineering

Michael Blankenship

Principal, Greenlight Traffic Engineering, LLC

Peoria, AZ34 years+ yrs★ 9.0

Michael Blankenship, PE, RSP 2I is a traffic engineering expert specializing in traffic crash litigation. With a career spanning traffic safety, transportation planning, and roadway design, he brings a comprehensive understanding of how engineering principles apply to legal disputes. His work centers on investigating traffic incidents, assessing roadway design compliance, and evaluating whether safety standards were met. Mr. Blankenship has been retained in numerous expert witness and consulting engagements across Arizona, New Mexico, Texas, Nevada, Montana, North Carolina, and West Virginia, involving vehicle, pedestrian, bicyclist, and motorcyclist crash cases. His M.S. in Civil Engineering (Transportation Specialization), along with his Road Safety Professional Level 2 Infrastructure 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 traffic safety and engineering standards.

TransportationTraffic Safety
Safety and OSHA

David Wright

CSP, CSHO

Titusville, Florida30 years+ yrs★ 9.0

David Wright, CSP, CSHO is a safety and OSHA compliance expert specializing in occupational safety and health litigation. With a career spanning safety program development, OSHA training, and compliance consulting, he brings a comprehensive framework to litigation work involving regulatory adherence and safety standards. His work centers on investigating workplace incidents, assessing compliance with OSHA regulations, and evaluating whether safety protocols were adequately implemented. Mr. Wright has been retained in numerous expert witness and consulting engagements across the United States, involving construction, general industry, and utilities sectors. His B.S. in Occupational Health & Safety from Columbia Southern University, along with certifications such as Certified Safety Professional and Certified Safety & Health Official, 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 safety and health standards.

Fall protectionForklifts/powered industrial trucksHeavy equipment struck-by prevention+7
Construction

Joe Scerbo

Expert Witness │ Construction Consultant │ Construction Management Advisor

Danville, CA36 years+ yrs★ 9.0

Joe Scerbo is a construction and energy systems expert specializing in construction defect analysis and litigation support. With a career encompassing diverse roles in mechanical, electrical, and plumbing systems, he brings a multifaceted perspective to his litigation work. His work centers on investigating construction defects, assessing standard of care in building projects, and evaluating compliance with industry standards. Mr. Scerbo has been retained in numerous expert witness and consulting engagements across California, involving construction defect cases, renewable energy projects, and utility-scale infrastructure. His A.O.S. degree in Electrical Construction & Maintenance, along with certifications such as Air-Cooled Generator Certified and CA General Certified Electrician, 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 construction and energy systems.

EnergyBuilding EnvelopeMechanical Systems+11
Civil Engineering

Jason Bennecke

Civil Engineering Expert Witness

Cherry Valley, CA35+ years+ yrs★ 9.0

Jason Bennecke, PE, MBA, PMP is a civil engineering expert specializing in transportation, infrastructure, and construction litigation. With a career spanning civil engineering, transportation design, and construction management, he brings a multifaceted perspective to litigation work. His work centers on investigating roadway design and safety, assessing construction defects, and evaluating whether engineering standards of care have been met. Mr. Bennecke has been retained in numerous expert witness and consulting engagements throughout Southern California, involving transportation engineering, roadway design, and construction defect cases. His MBA in Corporate Management, along with his California Civil PE, PMP, and General Building Contractor 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 standard of care in disputes involving transportation engineering and construction practices.

Construction EngineeringTransportation engineering & roadway designCaltrans standards+7
Speech-Language Pathology

Karen M. Sheffler

Board Certified Specialist in Swallowing and Swallowing Disorders

Boston, MA12 years+ yrs★ 9.0

Karen M. Sheffler, MS, CCC-SLP, BCS-S is a swallowing and swallowing disorders expert specializing in medical speech-language pathology litigation. With a career encompassing diverse roles in acute care settings and educational initiatives, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating dysphagia-related incidents, assessing compliance with swallowing safety protocols, and evaluating whether standard of care was met in cases involving swallowing disorders. Ms. Sheffler has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to dysphagia in medical speech-language pathology. Her MS in Communicative Disorders, along with her Board Certified Specialist in Swallowing and Swallowing Disorders and ASHA Certificate of Clinical Competence, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving swallowing disorders and related safety issues.

GeriatricsSwallowing DisordersDysphagia
Electrical Engineering

Brian J. Brackensick

Electrical & Corrosion Engineer

Austin, TX22 years+ yrs★ 9.0

Brian J. Brackensick, M.S., P.E. is an Electrical & Corrosion Engineering expert specializing in electrical forensic consulting and failure analysis. With a career encompassing electrical design, code compliance inspections, and construction methods, he brings a multidisciplinary perspective to litigation work. His work centers on investigating electrical failures, assessing code compliance, and evaluating whether construction methods meet industry standards. Mr. Brackensick has been retained in numerous expert witness and consulting engagements across Texas and surrounding areas, involving electrical fires, appliance failures, and industrial site assessments. His Master of Science in Electrical Engineering, along with certifications such as Certified Fire and Explosion Investigator (CFEI) and Certified Cathodic Protection Technologist (CP3), 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 systems and corrosion issues.

FireCorrosion Engineering
Gynecology

Ralph Zipper, MD

Director Urogynecology and Pelvic Reconstructive Surgery

Melbourne, FL25 years+ yrs★ 9.0

Ralph Zipper, MD, FACOG, FPMRS is a urogynecology and pelvic reconstructive surgery expert specializing in female pelvic medicine and reconstructive surgery litigation. With a career encompassing innovative surgical techniques and medical device development, he brings a pioneering perspective to litigation work. His work centers on investigating surgical outcomes, assessing medical device efficacy, and evaluating whether standard of care deviations occurred. Dr. Zipper has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to pelvic reconstructive surgery, incontinence, and cosmetic gynecology. His Doctor of Medicine from The Mount Sinai School of Medicine of The City University of New York, along with board certifications in FPMRS and OB/GYN, 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 pelvic organ prolapse and urinary incontinence.

Female Pelvic Medicine & Reconstructive SurgeryPelvic Reconstructive SurgeryIncontinence
Chemical Engineering

Chris K. Haas

Corporate Scientist/Consultant

Saint Paul, MN22 years+ yrs★ 9.0

Chris K. Haas, PhD is a plastics, materials, and testing expert specializing in intellectual property support and failure mode analysis. With a career encompassing polymer processing, security document features, and materials engineering, he brings a multifaceted perspective to litigation work. His work centers on investigating materials failure, assessing patent infringement, and evaluating security document integrity. Mr. Haas has been retained in numerous expert witness and consulting engagements across the United States, involving product liability and patent infringement cases. His Doctor of Philosophy (PhD) in Chemical Engineering, along with certifications such as Six Sigma Green Belt and Advanced Leadership Development Program, 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 polymer and adhesive systems.

ManufacturingPolymer Processing, Extrusion, & CoatingIntellectual Property Generation & Maintenance+6
Insurance

Christopher L. Friedley

Licensed Public Insurance Adjuster

Ocean Springs, MS20+ years+ yrs★ 9.0

Christopher L. Friedley, CPCU, AIC, SPPA is a public insurance adjusting expert specializing in first-party property claims handling. With a career spanning senior roles in national carriers and independent adjusting firms, he brings a nuanced understanding of complex coverage analysis and ethical claims handling to litigation work. His work centers on investigating causation, assessing scope of damage, and evaluating whether insurance coverage issues align with policy provisions. Mr. Friedley has been retained in numerous expert witness and consulting engagements across the Gulf Coast, involving residential, commercial, and catastrophe loss claims. His Bachelor of Arts in International Business, along with certifications such as Chartered Property Casualty Underwriter (CPCU) and Senior Professional Public Adjuster (SPPA), 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 property insurance claims.

Property InsuranceClaims HandlingCoverage Analysis
Engineering

Matthew J. Hartley, BS, FIES, LC

Nationally Recognized Lighting Expert

Arvada, CO★ 9.0

Matthew J. Hartley, BS, FIES, LC is a lighting expert specializing in forensic lighting investigation. With a career spanning engineering, architecture, and photometry, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating lighting safety and security, assessing lighting standards compliance, and evaluating whether lighting design meets industry specifications. Mr. Hartley has been retained in numerous expert witness and consulting engagements across North America, involving premises liability lighting, security lighting, and insufficient lighting cases. His Bachelor of Science in Architectural Engineering, along with his Lighting Certified (LC) 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 lighting safety and security.

ArchitecturePhotometryLighting Design+20
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