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 127–144 of 1,756 experts

Assessment
AR

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
Traffic Engineering
DH

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
Traffic Engineering
MB

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
Civil Engineering
JB

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
Manufacturing
RC

Rosemary Coates

President of Blue Silk Consulting

Los Gatos, CA40 years+ yrs★ 9.0

Rosemary Coates, MBA is a Supply Chain Management expert specializing in litigation involving manufacturing, procurement, and ERP systems implementation. With a career spanning global supply chain operations, project management, and Chinese manufacturing, she brings a strategic international perspective to her litigation work. Her work centers on investigating sourcing practices, assessing logistics and distribution compliance, and evaluating whether ERP implementation failures have occurred. Ms. Coates has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to global manufacturing operations, counterfeit imports, and supply chain disruptions. Her MBA in Finance and Operations Management, along with her credentials as a Licensed United States Customs Broker and Credentialed Adjunct Professor of Business, 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 global supply chain management and Chinese manufacturing practices.

Procurement/PurchasingSupply Chain ManagementProject Management+1
Meteorology
MD

Mark D. McGinnis

Certified Consulting Meteorologist

Waukesha, WIOver 25 years+ yrs★ 9.0

Mark D. McGinnis, CCM, CBM is a meteorology expert specializing in weather-related litigation. With a career spanning broadcast meteorology, forensic weather analysis, and weather hazard planning, he brings a multifaceted perspective to litigation work. His work centers on investigating meteorological conditions, assessing weather impacts on safety, and evaluating whether weather events contributed to incidents. Mr. McGinnis has been retained in numerous expert witness and consulting engagements across the Midwest, involving cases related to weather forecasting, broadcasting, and slip and fall incidents. His Bachelor of Science in Atmospheric Sciences, along with certifications as a Certified Consulting Meteorologist and Certified Broadcast Meteorologist, 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 conditions.

Slip Trip & FallWeather ForecastingBroadcasting+1
Construction
KK

Kiwesa King

Construction Management Consultant and Expert Witness

New York, NY29 years+ yrs★ 9.0

Kiwesa King, Licensed Professional Engineer, Certified Construction Manager, Certified Construction Management Trainer, Certified Design-Build Professional, Project Management Professional is a construction management expert specializing in construction-related disputes and litigation. With a career encompassing construction management, project delivery methods, and fire protection systems, she brings a multifaceted perspective to her litigation work. Her work centers on investigating construction defects, assessing construction means and methods, and evaluating whether industry standards were met. Ms. King has been retained in numerous expert witness and consulting engagements across the New York City area, involving construction defects, property damage, and premises liability cases. Her Master of Science in Mechanical Engineering, along with certifications such as Certified Construction Manager and Project Management 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 construction management and administration.

Construction Defects
Human Factors
NG

Nancy Grugle, Ph.D., CHFP

Human Factors Expert Witness

Tucson, AZ24 years+ yrs★ 9.0

Nancy Grugle, Ph.D., CHFP is a Human Factors Expert specializing in transportation-related litigation. With a career encompassing human factors engineering, user-interface design, and safety analysis, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating driver actions, assessing the impacts of fatigue and sleep deprivation, and evaluating whether safety standards in work zones have been met. Ms. Grugle has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to distracted driving, drowsy driving, and premises safety. Her Ph.D. in Industrial and Systems Engineering (Human Factors), along with her Certified Human Factors Professional (CHFP) credential, 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 human performance and behavior.

TransportationDrowsy DrivingDistracted Driving+7
Geology
EB

Eros Bilyeu

Certified Hydrogeologist

Newport Beach, CA18 years+ yrs★ 9.0

Eros Bilyeu, PG, CHG, CGWP, QSD/QSP is a Certified Hydrogeologist expert specializing in well design and construction oversight, aquifer characterization, and groundwater-flow modeling. With a career encompassing diverse hydrogeologic projects and collaborations with federal, state, municipal, and defense clients, he brings a comprehensive framework to litigation work involving complex groundwater systems. His work centers on investigating aquifer properties, assessing groundwater contamination, and evaluating compliance with regulatory standards. Mr. Bilyeu has been retained in numerous expert witness and consulting engagements across Southern California and nationally, involving municipal water supply projects, groundwater contamination cases, and regulatory compliance disputes. His BS in Geology from the University of South Alabama, along with certifications such as Professional Geologist, Certified Hydrogeologist, and Certified Groundwater 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 groundwater management and contamination.

EnvironmentalWell design and constructionAquifer characterization+1
OSHA
NM

Nathan M. Boswell

Safety Expert Witness

Loveland, CO15 years+ yrs★ 9.0

Nathan M. Boswell, CSP, CRSP, CMIOSH is a safety expert specializing in safety compliance and litigation involving serious injury and fatality cases. With a career spanning EHS leadership roles across North America, he brings a strategic perspective to safety system development and regulatory compliance. His work centers on investigating safety compliance failures, assessing regulatory adherence, and evaluating whether safety protocols were effectively implemented. Mr. Boswell has been retained in numerous expert witness and consulting engagements across the United States, involving industrial projects, warehousing, logistics, and fleet operations. His Bachelor of Science in Occupational Safety and Health, along with certifications such as Certified Safety Professional (CSP), Canadian Registered Safety Professional (CRSP), and Chartered Member of IOSH (CMIOSH), 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 OSHA compliance and workplace safety.

SafetyDOT/FMCSA ComplianceManagement Systems+11
Construction
DG

Derek Graham

Senior CPM Scheduler

Cold Spring, NY23 years+ yrs★ 9.0

Derek Graham, Certified Acumen Fuse Professional, OSHA 30 is a construction scheduling and delay analysis expert specializing in construction defects and delay litigation. With a career spanning high-end residential, commercial, and infrastructure projects, he brings a nuanced understanding of complex scheduling dynamics and their impact on project outcomes. His work centers on investigating schedule disruptions, assessing delay causation, and evaluating whether construction timelines adhere to industry standards. Mr. Graham has been retained in numerous expert witness and consulting engagements across the United States, involving life sciences, airport expansions, and mixed-use high-rise developments. His Bachelor of Arts in British Literature, along with certifications such as OSHA 30 and Certified Acumen Fuse 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 construction scheduling and delay impacts.

Construction Defects
Civil Engineering
CR

Christopher R. Hanstad

P.E., CFM, MSCE

Champaign, IL17 years+ yrs★ 9.0

Christopher R. Hanstad, P.E., CFM, MSCE is a civil engineering expert specializing in FEMA floodway violations and hydrologic and hydraulic analysis. With a career encompassing floodplain modeling, stormwater analysis, and flood loss avoidance studies, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating FEMA floodway compliance, assessing stormwater management practices, and evaluating flood damage assessment models. Mr. Hanstad has been retained in numerous expert witness and consulting engagements across Illinois, Indiana, Kentucky, and Wisconsin, involving FEMA floodway violations and floodplain modeling cases. His Master of Science in Civil Engineering, along with his Certified Floodplain Manager designation and professional engineering licenses in IL, IN, KY, and WI, 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 hydrologic and hydraulic engineering.

FEMA Floodway ViolationsStormwater AnalysisFlood Loss Avoidance Studies+7
Slip Trip & Fall
JT

John T. Whitty, Jr.

Licensed Professional Civil Engineer

Manakin Sabot, VA30+ years+ yrs★ 9.0

John T. Whitty, Jr., P.E. is a fall protection and structural engineering expert specializing in litigation involving fall protection systems and structural analysis. With a career spanning structural design, fall protection systems, and safety engineering, he brings a comprehensive framework to analyzing compliance with industry standards and safety regulations. His work centers on investigating root causes of falls, assessing compliance with OSHA and ANSI standards, and evaluating whether structural designs meet safety requirements. Mr. Whitty has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to falls from height, structural failures, and safety compliance in commercial and industrial settings. His B.S. in Civil Engineering from Virginia Military Institute, along with his status as a Licensed Professional Engineer in multiple states, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving fall protection systems and structural integrity.

SafetyStructural analysis and designFall protection systems+3
Hotel & Restaurant
GL

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
Construction
JS

Joe Scerbo

Expert Witness + Litigation Support & Construction Management Advisor

Danville, CA36 years+ yrs★ 9.0

Joe Scerbo is a construction and energy expert specializing in construction defect analysis and litigation support. With a career spanning construction management, renewable energy systems, and forensic analysis, he brings a multifaceted perspective to litigation work. His work centers on investigating system failures, assessing construction defects, 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. Electrical Construction & Maintenance Degree, along with certifications such as Air Cooled Generator Certified and Liquid Cooled Generator Certified, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving building envelope, mechanical, electrical, and plumbing systems.

EnergyBuilding EnvelopeMechanical Systems+4
Architect Liability
DE

David Erik Chase

Architect, AIA, NCARB

Palm Beach, Florida55+ years+ yrs★ 9.0

David Erik Chase, Architect, AIA, NCARB is a forensic architecture expert specializing in construction dispute resolution and architectural liability. With a career spanning over five decades in architectural design, project management, and construction oversight, he brings a comprehensive framework to litigation work involving complex construction issues. His work centers on investigating construction defects, assessing compliance with ADA accessibility guidelines, and evaluating whether building codes have been adhered to. Mr. Chase has been retained in numerous expert witness and consulting engagements across the East Coast and mid-Atlantic states, involving cases related to construction defects, contract disputes, and building code violations. His Master of Science in Architecture from Columbia University, along with certifications such as NCARB and LEED Green Associate, 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 agreements and construction practices.

ArchitectureBuilding CodesBuilding Contractor Liability+7
Condominiums
CR

Christopher R. Lanni

CPP, CMCA, AMS

Hudson, Massachusetts39 years+ yrs★ 9.0

Christopher R. Lanni CPP, CMCA, AMS is a security and risk management expert specializing in premise liability and residential security assessments. With a career spanning security consulting, residential risk advising, and security technology implementation, he brings a strategic approach to evaluating security measures and risk mitigation strategies. His work centers on investigating security breaches, assessing risk management protocols, and evaluating whether security technologies meet industry standards. Mr. Lanni has been retained in numerous expert witness and consulting engagements across the United States, involving residential communities, commercial properties, and educational facilities. His Bachelor of Science in Criminal Justice with a Concentration in Private Security, along with certifications as a Certified Protection Professional, Certified Manager of Community Associations, and Association Management 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 security management and risk assessment.

TechnologyResidentialApartments+8
Cybersecurity and Computers
DE

Dr. Eric Cole, DPS

Cybersecurity, Networking, Computer, and IT Expert

Ashburn, VA34 years+ yrs★ 9.0

Dr. Eric Cole, DPS is a cybersecurity and IT expert specializing in litigation involving data breaches, trade secrets, and intellectual property disputes. With a career spanning cybersecurity strategy, network architecture, and incident response, he brings a strategic and technical framework to his litigation work. His work centers on investigating data breaches, assessing cybersecurity protocols, and evaluating whether industry standards were met. Dr. Cole has been retained in numerous expert witness and consulting engagements across the United States, involving cases of apportionment, infringement, and data security. His Doctorate in Professional Studies from Pace University, along with his Certified Information Systems Security Professional (CISSP) 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 cybersecurity and IT systems.

CybersecurityNetworkingOperating Systems+3
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