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Showing 505–522 of 1,756 experts

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Brain Injury Medicine

BE

Brenda Eagan-Johnson, EdD, CBIST-AP

Expert Witness

New Castle, PA30 years+ yrs★ 8.5

Brenda Eagan-Johnson, EdD, CBIST-AP is a Brain Injury Medicine and Education expert specializing in pediatric brain injury litigation. With a career spanning educational neuroscience, transition special education, and neurodevelopmental consulting, she brings a multidisciplinary framework to her litigation work. Her work centers on investigating pediatric brain injury causation, assessing educational impacts of acquired brain injuries, and evaluating whether standard of care in educational settings was met. Ms. Eagan-Johnson has been retained in numerous expert witness and consulting engagements across the United States, involving cases of traumatic brain injury, personal injury, and special education disputes. Her Doctorate in Education, specializing in educational neuroscience, Mind, Brain, & Teaching, along with her Certified Brain Injury Specialist Trainer with Advanced Practice in NeuroRehabilitation, 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 pediatric brain injuries and educational settings.

Education & Schools

Computers and Information Technology

JG

Joseph Greenfield

Vice President & Chief Forensic Examiner

Simi Valley, CA15 years+ yrs★ 8.5

Joseph Greenfield, Ph.D. is a digital forensics expert specializing in cyber breach investigations and electronic evidence analysis. With a career encompassing advanced research in digital forensics and practical application in forensic examinations, he brings a robust analytical framework to litigation work. His work centers on investigating cyber incidents, assessing digital evidence integrity, and evaluating whether security protocols were breached. Dr. Greenfield has been retained in numerous expert witness and consulting engagements across the United States, involving complex cyber investigations and digital forensics cases. His Ph.D. in Computer Science, Concentration in Digital Forensics, along with his GIAC Certified Forensic Analyst (GFCA) 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 breaches and digital evidence.

Digital ForensicsCybersecurity

Railroad Crossings

RW

Robert W. Halstead

Railroad Signal and Accident Reconstruction Expert

Syracuse, NY★ 8.5

Robert W. Halstead, A.S., B.S. is a Railroad Signal and Accident Reconstruction Expert specializing in railroad crossings, signal systems, and accident reconstruction. With a career encompassing roles in signal circuit design, construction supervision, and maintenance oversight, he brings a comprehensive understanding of the operational and safety standards critical to railroad litigation. His work centers on investigating signal system failures, assessing accident causation, and evaluating compliance with federal and industry regulations. Mr. Halstead has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as train-vehicle collisions, derailments, and signal system adequacy. His B.S. in Electrical Engineering, along with his accreditation as a Traffic Accident Reconstructionist by the Accreditation Commission for Traffic Accident Reconstruction (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 railroad signal systems and accident reconstruction.

Signal SystemsAccident Reconstruction

Energy

JJ

Joseph Jaskulski

Senior Executive

Chicago, Illinois46 years+ yrs★ 8.5

Joseph Jaskulski, P.E. is an infrastructure development and power generation expert specializing in construction management and energy efficiency litigation. With a career spanning infrastructure projects, power plant operations, and asset management, he brings a strategic perspective to evaluating complex technical and commercial disputes. His work centers on investigating construction defects, assessing power generation efficiency, and evaluating whether industry standards have been met. Mr. Jaskulski has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving high-profile construction projects and power generation facilities. His Master of Science in Mechanical and Aerospace Engineering, along with certifications such as LEED Accredited Professional and Certified Fire and Explosion 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 causation in disputes involving infrastructure and energy systems.

Failure AnalysisInfrastructure DevelopmentConstruction Management+1

Pharmacist

NL

Nicholas Ladikos

PharmD, FASCP, BCPS, BCGP, BCIDP

Coppell, TX★ 8.5

Nicholas Ladikos, PharmD, FASCP, BCPS, BCGP, BCIDP is a pharmacy and pharmacology expert specializing in pharmaceutical negligence and fraud litigation. With a career spanning clinical pharmacy, infectious diseases, and geriatric pharmacotherapy, he brings a multi-faceted perspective to litigation work. His work centers on investigating adverse drug reactions, assessing medication errors, and evaluating whether standards of care in pharmacy practice have been met. Mr. Ladikos has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to drug interactions, compounding, and pharmaceutical malpractice. His Doctor of Pharmacy from the University of Florida, along with certifications such as Board Certified Infectious Diseases Pharmacist (BCIDP) and Board Certified Geriatric Pharmacist (BCGP), 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 drug safety and pharmacy standards.

Geriatrics

Accident Reconstruction

KW

Kevin William Forcier SR

Reconstruction Specialist, ACTAR 2054

Venango, Pennsylvania38 years+ yrs★ 8.5

Kevin William Forcier SR, ACTAR 2054 is a Crash Reconstruction expert specializing in accident analysis and reconstruction. With a career encompassing diverse roles in law enforcement and private consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating crash scenes, assessing vehicle dynamics, and evaluating occupant kinematics. Mr. Forcier has been retained in numerous expert witness and consulting engagements across Pennsylvania, involving cases related to passenger vehicles, motorcycles, and pedestrian/bicycle incidents. His Associate of Engineering Degree in Engineering, along with certifications such as ACTAR Certification and Crash Data Retrieval 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 crash data retrieval and analysis.

Crash ReconstructionAirbag AnalysisChild Passenger Safety

Forensic toxicology

DM

Dr. Marc A LeBeau

Board-Certified Toxicologist

O'Fallon, MOOver 35 years+ yrs★ 8.5

Dr. Marc A LeBeau, Board-Certified Toxicologist is a forensic toxicology expert specializing in drug-facilitated sexual assault and seized drugs analysis. With a career spanning forensic science, criminalistics, and analytical testing, he brings a comprehensive understanding of toxicological principles to his litigation work. His work centers on investigating drug-related incidents, assessing toxicological evidence, and evaluating whether substances contributed to alleged criminal activities. Dr. LeBeau has been retained in numerous expert witness and consulting engagements across the United States, involving cases of drug abuse, human trafficking, and DUI testing. His Doctor of Philosophy in Toxicology from the University of Maryland - Baltimore, along with his Board Certified Fellow status with the American Board of Forensic Toxicology, 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 toxicology.

Seized drugs analysisGeneral unknown analysisDrug-Facilitated Sexual Assault

Economics

DA

David A. Macpherson

E.M. Stevens Professor of Economics

San Antonio, TX36 years+ yrs★ 8.5

David A. Macpherson, Ph.D. is an economics and labor market expert specializing in economic damages and labor economics litigation. With a career spanning labor economics, business damages, and labor market analysis, he brings a nuanced understanding of economic principles to litigation work. His work centers on investigating economic damages, assessing labor market impacts, and evaluating whether economic losses align with industry standards. Mr. Macpherson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to labor economics, business damages, and employment discrimination. His Ph.D. in Economics from The Pennsylvania State University, along with his extensive publication record, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of economic damages in disputes involving labor market dynamics and business interruptions.

Business DamagesLabor EconomicsLabor Market Aspects of Pensions+4

DUI

SL

Samuel Louis Kleinman, Ph.D.

Fellow – American Board of Forensic Toxicology

Cincinnati, OH18 years+ yrs★ 8.5

Samuel Louis Kleinman, Ph.D., F-ABFT, TC-NRCC is a forensic toxicology expert specializing in DUI, drug-related death, and impaired driving litigation. With a career spanning forensic science, instrumental analysis, and toxicological chemistry, he brings a multidisciplinary approach to his litigation work. His work centers on investigating toxicological evidence, assessing the validity of laboratory results, and evaluating whether standard procedures were followed in forensic analyses. Mr. Kleinman has been retained in numerous expert witness and consulting engagements across New Mexico, involving DUI cases, workplace drug testing, and forensic toxicology disputes. His Ph.D. in Physical/Analytical Chemistry, along with certifications as a Fellow of the American Board of Forensic Toxicology and a Toxicological Chemist, 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 blood alcohol interpretation and drug-related incidents.

ToxicologyDrugsAlcohol+18

Chemistry & Chemicals

JT

Jeffrey T. Gotro, Ph.D.

Polymer Science Consultant

Rancho Santa Margarita, CAOver 35 years+ yrs★ 8.5

Jeffrey T. Gotro, Ph.D. is a polymer science expert specializing in polymer materials selection, mechanical properties, and processing. With a career spanning advanced polymer characterization, intellectual property management, and product liability analysis, he brings a comprehensive framework to litigation work. His work centers on investigating polymer product failures, assessing patent infringement claims, and evaluating whether polymer processing meets industry standards. Dr. Gotro has been retained in numerous expert witness and consulting engagements across the United States, involving product liability and intellectual property cases in industries such as electronics and construction. His Ph.D. in Materials Science with a specialty in polymer science, along with his extensive publication record and patent holdings, 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 materials and processing.

Intellectual PropertyEpoxy pipe liningsFloor coatings+8

Plumbing and HVAC

RW

Roger W. Griffith, P.E.

Forensic Mechanical Engineer

Jefferson City, Tennessee40 years+ yrs★ 8.5

Roger W. Griffith, P.E. is a forensic mechanical engineering expert specializing in failures of building mechanical systems, including carbon monoxide exposure, fuel gas leaks and explosions, and hot water scalding incidents. With a career spanning HVAC design, plumbing systems, and forensic analysis, he brings a standards-based forensic engineering methodology to his litigation work. His work centers on investigating mechanical system failures, assessing compliance with safety codes, and evaluating whether engineering practices met industry standards. Mr. Griffith has been retained in over 125 expert witness and consulting engagements across state and federal courts, involving product liability, premises liability, and professional negligence claims. His Bachelor of Science in Mechanical Engineering, along with his Board Certification in Forensic Engineering (NAFE), 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 system failures and safety compliance.

Carbon Monoxide (CO) ExposureFuel Gas IncidentsHot Water Scalding

Chemistry & Chemicals

JB

Justin B. Sambur

Monfort Professor of Chemistry

Fort Collins, CO16 years+ yrs★ 8.5

Justin B. Sambur, Monfort Professor of Chemistry is an analytical chemistry and materials characterization expert specializing in determining the presence, absence, identity, and quantity of hazardous or regulated materials in complex systems. With a career focused on energy, sustainability, and advanced manufacturing, he brings a methodical approach to measurement, data integrity, and clear explanation of findings. His work centers on investigating materials failures or contamination events, assessing nanotechnology and nanoparticle synthesis, evaluating whether deviations in battery, solar, and electrolyzer technologies have occurred. Mr. Sambur has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to hazardous materials, environmental contamination, and intellectual property disputes. His Ph.D. in Chemistry, along with his NSF Postdoctoral Fellowship in Chemistry, 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 chemical exposure and forensic chemical analysis.

Intellectual PropertyAnalytical ChemistryMaterials Characterization+2

HVAC Systems

JA

Joseph A. LaRovere

C.E.M.

Cave Creek, AZ35+ years+ yrs★ 8.5

Joseph A. LaRovere, C.E.M. is an HVAC and mechanical systems expert specializing in litigation involving system failures, energy management, and contractor evaluation. With a career spanning roles as a contractor, owner/operator, technician, and consultant, he brings a multifaceted perspective to his litigation work. His work centers on investigating system failures, assessing contractor standards of care, and evaluating energy management and control systems. Mr. LaRovere has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to healthcare facilities, data centers, and high-rise buildings. His HVAC Electromechanical Technologies Certificate, along with certifications such as Certified Energy Manager and Honeywell Tridium Niagara AX, 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 HVAC and mechanical system design and construction defects.

air conditioningheat pumpschiller plants+33

Economics

C(

Charles (Chip) G. Hunter, Ph.D.

President

Dallas, Texas25 years+ yrs★ 8.5

Charles (Chip) G. Hunter, Ph.D. is an economics expert specializing in intellectual property, antitrust and competition, and consumer fraud class actions. With a career spanning consulting roles and economic analysis across diverse industries, he brings a nuanced understanding of economic impacts in litigation contexts. His work centers on investigating economic damages, assessing market behaviors, and evaluating whether competitive practices align with regulatory standards. Dr. Hunter has been retained in numerous expert witness and consulting engagements across the United States, involving intellectual property disputes, antitrust cases, and consumer fraud class actions. His Ph.D. in Economics from The University of Chicago, along with his Master of Public Affairs, 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 economic damages and market competition.

Mechanical Engineering

RD

Ronald D. Schapf

Licensed Professional Mechanical Engineer

Los Angeles, CA30+ years+ yrs★ 8.5

Ronald D. Schapf, P.E. CA, NV, TX, FL is a mechanical engineering expert specializing in machine design litigation. With a career encompassing theme park ride systems, recreational vehicles, and safety-critical vehicle systems, he brings a robust engineering framework to his litigation work. His work centers on investigating mechanical failures, assessing design compliance, and evaluating whether engineering standards were met. Mr. Schapf has been retained in numerous expert witness and consulting engagements across the United States, involving theme park rides, recreational vehicles, and specialty machinery. His B.A.Sc. in Mechanical Engineering from the University of Waterloo, along with his Professional Engineer licenses in CA and NV, 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 engineering design and safety compliance.

MotorcycleMechanical Engineering DesignFinite Element Analysis

Property Management

CN

Courtenay N. Brack, CPM®

Service-oriented property manager, small business owner and consultant

Charleston, SC30 years+ yrs★ 8.5

Courtenay N. Brack, CPM® is a commercial property management expert specializing in financial oversight and contract negotiation for litigation involving commercial real estate. With a career spanning property management, real estate operations, and project oversight, he brings a strategic perspective to litigation work. His work centers on investigating financial discrepancies, assessing contract compliance, and evaluating whether industry standards in property management have been met. Mr. Brack has been retained in numerous expert witness and consulting engagements throughout the Southeastern United States, involving commercial retail, office, and medical office properties, as well as property owners' associations. His Bachelor of Arts in Communications, along with his Certified Property Manager (CPM®) designation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving property management and real estate operations.

Real Estate

Accident Reconstruction

MH

Mark H. Kittel

Principal Engineer

Castle Rock, CO25 years+ yrs★ 8.5

Mark H. Kittel, P.E. is an accident reconstruction and product failure analysis expert specializing in motor vehicle accidents and product liability cases. With a career spanning vehicle design, forensic engineering, and motorcycle dynamics, he brings a comprehensive engineering framework to litigation work. His work centers on investigating vehicle system failures, assessing accident causation, and evaluating whether design or manufacturing defects contributed to incidents. Mr. Kittel has been retained in numerous expert witness and consulting engagements both nationwide and internationally, involving cases related to motorcycles, ATVs, UTVs, and other powersport vehicles. His BSME in Vehicle Design from the University of Colorado, Denver, along with certifications such as Board Certified in Forensic Engineering by the National Academy of Forensic Engineers and NCEES 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 vehicle dynamics and mechanical failures.

MotorcycleVehicle DesignProduct Failure Analysis

Insurance

CJ

Collin J. Hite

Insurance Consultant

Richmond, VA33 years+ yrs★ 8.5

Collin J. Hite is an insurance bad faith and claims handling expert specializing in litigation strategy and coverage disputes. With a career spanning senior-level roles in insurance law, regulatory compliance, and litigation management, he brings a strategic perspective to analyzing complex insurance disputes. His work centers on investigating claims handling practices, assessing coverage interpretations, and evaluating whether industry standards were met. Mr. Hite has been retained in numerous expert witness and consulting engagements across the United States, involving commercial liability, property and automobile, cyber liability, and broker and agent standards. His Juris Doctor in Law from Southern Methodist University Dedman School of Law, along with certifications in Cyber Risk Management and E-Discovery Executive 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 insurance bad faith and claims handling standards.

Commercial LiabilityProperty and AutomobileCyber Liability+7

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