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Showing 523–540 of 1,756 experts

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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

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

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

Toxicology

AN

Aimee Nefcy, MD

Expert Witness in Medical Toxicology

Canton, MI10+ years+ yrs★ 8.5

Aimee Nefcy, MD is a medical toxicology expert specializing in emergency medicine and toxicological litigation. With a career encompassing emergency care, toxicology, and occupational medicine, she brings a nuanced understanding of toxicological impacts and medical standards to her litigation work. Her work centers on investigating toxic exposures, assessing medication interactions, and evaluating whether standard care protocols were followed in cases of poisoning and overdose. Dr. Nefcy has been retained in numerous expert witness and consulting engagements across the United States, involving cases of medication and drug overdose, occupational exposures, and envenomations. Her Doctorate of Medicine from Wayne State University School of Medicine, along with certifications in Emergency Medicine and Medical Toxicology, 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 toxicological and emergency medical issues.

Emergency MedicineMedical Toxicology

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

Anesthesiology

OK

Omeed Khodaparast, M.D.

Anesthesiologist

Dallas, TX20 years+ yrs★ 8.5

Omeed Khodaparast, M.D. is an anesthesiology expert specializing in regional anesthesia and airway management litigation. With a career encompassing leadership roles in medical direction and committee chairmanship, he brings a strategic perspective to evaluating complex anesthesiology cases. His work centers on investigating difficult intubation scenarios, assessing nerve injury risks, and evaluating whether postoperative care standards were met. Dr. Khodaparast has been retained in numerous expert witness and consulting engagements across Texas, involving cases related to anesthesiology practices and hospital operations. His Doctor of Medicine from the University of Texas Southwestern, along with Board Certification from the American Board of Anesthesiology, 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 sedation protocols and recovery room procedures.

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

Otolaryngology

DG

David Greene

MD, FACS, FARS

Naples, FL★ 8.5

David Greene, MD, FACS, FARS is an otolaryngology and facial plastic surgery expert specializing in complex cases involving head and neck surgery, facial reconstruction, and sinus-related conditions. With a career encompassing leadership roles in clinical practice, academic instruction, and research, he brings a multifaceted perspective to litigation work. His work centers on investigating surgical outcomes, assessing procedural adherence to medical standards, and evaluating whether deviations in care contributed to patient harm. Dr. Greene has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to otolaryngology, facial trauma, and reconstructive surgery. His M.D. from Yale University School of Medicine, along with Board Certifications in Otolaryngology and Facial Plastic & Reconstructive Surgery, 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 surgical complications and medical negligence.

Plastic Surgery Within the Head and NeckFacial Plastic Surgery

Turbomachinery

SB

Steven B. Kushnick

Mechanical Engineer

Marietta, GA★ 8.5

Skilled and experienced in the design, analysis, troubleshooting, and failure analysis of turbomachinery and ancillary equipment. Design hardware for turbines, compressors, combustors, fuel nozzles, fluid film bearings, rolling element bearings, oil-film dampers, lube systems, plumbing, heat transfer equipment, and test equipment. Analyze internal flow, heat transfer, structures and strength, dynamics and vibration, fatigue and fracture, equipment failures and test results. Use SolidWorks Simulation™ finite element analysis code, Dyrobes™ rotordynamics analysis code, SolidWorks™ CAD software, and develop specialized computer utility programs for design, analysis, and problem solving. Procure and deliver hardware. Provide economic and engineering analyses of proposed equipment modifications. Write inspection procedures, repair procedures, and process specifications. Provide independent third-party consultation, warranty dispute evaluation, and litigation support. Access to metallurgical laboratory. Two patents in the field of jet engines. Expert witness.

Failure Analysis

Slip Trip & Fall

DM

David M. Gill

CFSE, WACH

Fort Lauderdale, FL16 years+ yrs★ 8.5

David M. Gill, CFSE, WACH is a walkway safety expert specializing in slip-and-fall and trip-and-fall prevention litigation. With a career encompassing consultancy with property owners, managers, engineers, and design professionals, he brings a comprehensive understanding of environmental surface requirements and safety protocols to his litigation work. His work centers on investigating slip resistance testing, assessing visual warning placements, and evaluating whether flooring maintenance protocols meet safety standards. Mr. Gill has been retained in numerous expert witness and consulting engagements across the United States, involving premises liability and walkway safety cases. His B.S. in Textile Management & Marketing, along with certifications such as Walkway Auditor Certificate Holder (WACH) and Certified Forensic Slip Expert (CFSE), 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 dynamic coefficient of friction and walkway safety.

Premises Liability

Medical Devices

GD

Gary D. Fletcher, Ph.D.

R&D Engineering Product Development Executive | IP Expert Witness

Media, PA47 years+ yrs★ 8.5

Gary D. Fletcher, Ph.D. is a medical device patent litigation expert specializing in intellectual property disputes in the healthcare and diagnostics sectors. With a career spanning R&D leadership, product development, and IP strategy, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating patent infringement, assessing the validity of intellectual property claims, and evaluating whether industry standards have been met in medical device innovations. Mr. Fletcher has been retained in numerous expert witness and consulting engagements across the United States, involving cases in medical diagnostics, blood collection, and point-of-care testing. His Doctor of Philosophy in Physics from Yale University, along with his extensive experience in biomedical engineering and intellectual property assessment, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of patent validity and infringement in disputes involving medical device technologies and diagnostics.

Biomedical EngineeringNew Product DevelopmentR&D Leadership+1

Civil Engineering

MF

Michael F Myers

PE

Palmyra, VA30 years+ yrs★ 8.5

Michael F Myers, PE is a civil engineering expert specializing in land development and stormwater management litigation. With a career spanning drainage design, hydrology, and floodplain analysis, he brings a practical engineering perspective to evaluating compliance with regulatory standards. His work centers on investigating stormwater system failures, assessing erosion and sediment control measures, and evaluating whether adequate outfall analyses meet industry and legal requirements. Mr. Myers has been retained in numerous expert witness and consulting engagements across Virginia and Maryland, involving commercial, multi-family, and residential construction projects. His B.S. in Civil Engineering from The University of Virginia, along with his Professional Engineer licensure in 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 compliance and responsibility in disputes involving stormwater management and drainage systems.

Hydrology

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

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

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

AI Expert

RW

Randy Winters

Expert Witness

Saint George, Utah47 years+ yrs★ 8.5

Randy Winters, SRVB is a technology and patent infringement expert specializing in complex litigation involving AI, machine learning, and software engineering. With a career encompassing technical management, patent drafting, and AI development, he brings a multifaceted perspective to litigation work. His work centers on investigating patent claims, assessing software engineering practices, and evaluating whether AI systems meet industry standards. Mr. Winters has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile technology cases with companies like Apple, Samsung, and Google. His Master’s Degree in Software Engineering from Carnegie Mellon University, along with his extensive patent experience, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of claim construction and infringement in disputes involving AI and software technologies.

ChatGPTBiometric PrivacyBIPA+19

Electrical Engineering

TA

Taylor A. Russell, P.E., CFEI

Engineer: Electrical

Concord, California18 years+ yrs★ 8.5

Taylor A. Russell, P.E., CFEI is an electrical engineering expert specializing in forensic analysis of electrical system failures and compliance issues. With a career encompassing industrial automation, power systems, and control systems, he brings a multidisciplinary perspective to litigation work. His work centers on investigating electrical failures, assessing code compliance, and evaluating whether industry standards were met. Mr. Russell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to industrial design, building automation, and electrical construction defects. His Bachelor of Science in Electrical Engineering, along with certifications such as Certified Automation 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 electrical engineering and industrial design.

Industrial Design

Neurology

AE

Ali Ezzati, M.D.

Associate Professor of Neurology

Irvine, CA15 years+ yrs★ 8.5

Ali Ezzati, M.D. is a neurology and neuroinformatics expert specializing in cognitive neurology and neuroimaging litigation. With a career spanning academic neurology, neuroinformatics, and cognitive disorder research, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating causation in neurological disorders, assessing standard of care in cognitive impairment cases, and evaluating whether deviations in neuroimaging protocols have occurred. Dr. Ezzati has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to cognitive impairment, stroke, and device litigation. His M.D. in Medicine, along with his postdoctoral fellowships in Neuroimaging & Clinical Informatics and Neuroepidemiology & Cognitive Neurology, 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 neurological disorders and neuroimaging practices.

TechnologyNeuroinformaticsCognitive Neurology

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