Emergency Medical Toxicology
Daniel Overbeek, MD
Faculty, Emergency Care Specialists
Grand Rapids, MI13 years+ yrs★ 9.6
ToxicologyMedical Toxicology and Emergency MedicineMedical Education and Educational Theory
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CM
Christopher Matthew Byrd, Ph.D.
Senior Scientist and Executive
Bethesda, MD★ 9.4
Christopher Matthew Byrd, Ph.D. is a forensic biotechnology expert specializing in DNA forensic analysis and biochemistry in legal contexts. With a career spanning biotechnology research, program management, and strategic analysis, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating DNA evidence, assessing biochemical processes, and evaluating whether laboratory standards were met. Mr. Byrd has been retained in numerous expert witness and consulting engagements across the United States, involving criminal and family law cases. His Ph.D. in Bioengineering, along with certifications as a Level III Program and R&D Manager and ANSI/ANAB laboratory assessor, 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 biotechnology and laboratory practices.
BiologyBiomedicalBiotechnology+15
Medical Devices
TK
T. Kim Parnell, PhD, PE
Mechanical Engineering Leader | Failure Analysis Specialist | Expert Witness
Sunnyvale, CA50 years+ yrs★ 9.3
T. Kim Parnell, PhD, PE is a mechanical engineering and failure analysis expert specializing in litigation involving medical devices, heavy equipment, and intellectual property claims. With a career spanning litigation consulting, technical investigations, and product development across highly regulated industries, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating mechanical failures, assessing accident causation, and evaluating intellectual property disputes. Mr. Parnell has been retained in numerous expert witness and consulting engagements across the United States, involving cases in medical devices, intellectual property, and product liability. His PhD in Mechanical Engineering, along with certifications such as SEAK Expert Witness Training – Advanced, 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 failures and product liability.
Intellectual PropertyMechanical failure analysisFatigue, fracture & stress analysis (FEA)+23
Pain Management
EL
Eugene Lipov, MD
Pain Medicine Thought-Leader
Westmont, IL34 years+ yrs★ 9.3
Eugene Lipov, MD is a pain medicine expert specializing in the treatment of PTSD and innovative pain management techniques. With a career that encompasses pioneering work in stellate ganglion block applications and medical device innovation, he brings a unique perspective to litigation involving complex pain syndromes and PTSD-related conditions. His work centers on investigating the efficacy of novel pain treatments, assessing the impact of PTSD on medical conditions, and evaluating the role of medical devices in pain management. Dr. Lipov has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to PTSD treatment, pain management, and medical device efficacy. His Medical Doctorate from Northwestern University, along with certifications in Advanced Cardiac Life Support (ACLS) and Basic Life Support (BLS), 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 pain medicine and PTSD treatment.
Medicine and Medical DevicesPain MedicineStellate Ganglion Block+1
Medical Devices
JM
Jay M. Vincelli
PhD, PE
Orford, NH18 years+ yrs★ 9.2
Jay M. Vincelli, PhD, PE is a forensic analysis expert specializing in medical devices for product liability and patent litigation. With a cross-disciplinary background in biomedical engineering, materials science, and mechanical engineering, he brings a multifaceted perspective to his litigation work. His work centers on investigating device failures, assessing compliance with industry standards, and evaluating whether design defects contributed to adverse outcomes. Dr. Vincelli has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as orthopedic implants, transvaginal mesh, and cardiac devices. His PhD in Electrical, Computer & Biomedical Engineering, along with certifications such as NAMSA Training ISO 10993 Biological Evaluation of Medical Devices and ISO 9001 Lead Auditor Training, 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 complex medical device failures.
Biomedical EngineeringForensic analysis of medical devicesProduct liability+1
Medical Devices
ES
Eric S. Heinz
Management Consultant and Expert Witness
Memphis, TN22 years+ yrs★ 9.2
Eric S. Heinz, MBA is a Medtech industry expert specializing in litigation involving medical devices, FDA regulatory processes, and intellectual property disputes. With a career spanning general management, mergers and acquisitions, and product development, he brings a strategic and operational perspective to complex litigation matters. His work centers on investigating regulatory compliance, assessing product liability, and evaluating intellectual property claims. Mr. Heinz has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to medical devices, mergers and acquisitions, and commercial practices. His Executive MBA in Corporate Strategy/Finance from Northwestern University, along with certifications such as Registered United States Patent Agent and Certified Project Management 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 medical devices and related commercial practices.
MarketingGeneral ManagementMedtech Industry
Police Practices & Procedures
MJ
Michael J. Rein
Security Consultant, Campus Safety Expert, Public Safety Executive
Philadelphia, PA20 years+ yrs★ 9.2
Michael J. Rein, BA, MA, ACE, CPP, CPD, NCI, CHSS, CPM, CCCO, EMT is a security and campus safety expert specializing in law enforcement practices and compliance with campus safety regulations. With a career encompassing leadership roles in public safety and security management, he brings a strategic perspective to litigation involving compliance and operational assessments. His work centers on investigating compliance with the Clery Act, assessing campus safety protocols, and evaluating threat assessment procedures. Mr. Rein has been retained in numerous expert witness and consulting engagements across the United States, involving higher education institutions and public safety agencies. His M.A. in Labor and Employee Relations, along with certifications such as Certified Protection Professional (CPP) and Certified Clery Compliance Officer (CCCO), 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 campus safety and law enforcement practices.
Law Enf & Criminal JusticeLaw EnforcementEmergency Medical Services+6
Hospital Administration
KJ
Kevin J. Joseph
MD, MBA, BS Engineering, CPE, FACHE
Tulsa, OK24 years+ yrs★ 9.2
Kevin J. Joseph, MD, MBA, BS Engineering, CPE, FACHE is a hospital administration expert specializing in healthcare administration, safety, and quality. With a diverse background in both academic and community hospital settings, he brings a strategic leadership perspective to his litigation work. His work centers on investigating operational efficiencies, assessing clinical performance improvements, and evaluating whether executive leadership strategies align with industry standards. Mr. Joseph has been retained in numerous expert witness and consulting engagements across the United States, involving complex healthcare systems and hospital administration cases. His Doctor of Medicine from Vanderbilt University School of Medicine, along with certifications such as Certified Physician Executive and Board Certified in Emergency Medicine, 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 medical management and hospital operations.
Medical Management
Toxicology
MM
Margaret M. Gedde
MD, PhD, DABPath
Fredericksburg, VA40 years+ yrs★ 9.1
Margaret M. Gedde, MD, PhD, DABPath is a forensic toxicology expert specializing in cannabinoid pharmacokinetics and marijuana driving impairment. With a career encompassing clinical pathology, cannabinoid medicine, and forensic toxicology, she brings a multifaceted perspective to her litigation work. Her work centers on investigating forensic toxicology test results, assessing cannabinoid pharmacokinetics, and evaluating whether marijuana impairment influenced driving capabilities. Dr. Gedde has been retained in numerous expert witness and consulting engagements across the United States, involving criminal, civil, employment, parental, regulatory, and patent cases. Her MD from Stanford University School of Medicine and PhD in Biophysical Chemistry, along with her Board Certification in Clinical Pathology, 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 THC impairment and forensic toxicology testing.
Forensic toxicology test interpretationCannabinoid pharmacokineticsMarijuana driving impairment+6
Information Technology
MC
Marc Chasin
Chief Digital & Information Officer
Yuma, Arizona25 years+ yrs★ 9.1
Marc Chasin, MD, MMM, CPE, CHCIO, CDH-E, FCHIME is a healthcare information technology expert specializing in digital transformation and regulatory compliance within healthcare systems. With a career spanning leadership roles in both large multi-hospital systems and small rural hospitals, he brings a strategic leadership framework to his litigation work. His work centers on assessing AI-enabled clinical systems, evaluating EHR functionality and compliance, and investigating deviations from healthcare IT standards of care. Dr. Chasin has been retained in numerous expert witness and consulting engagements across the United States, involving complex healthcare technology implementations and vendor performance disputes. His Doctor of Medicine from the American University of the Caribbean School of Medicine, along with certifications such as Certified Healthcare Chief Information Officer and Certified Physician Executive, 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 healthcare technology and IT governance.
Artificial IntelligenceArtificial Intelligence [AI]Medical Technology+12
Economics
CS
Christopher Skerritt
Vocational Counselor and Consultant Evaluator
Smithfield, Rhode Island9 years+ yrs★ 9.0
Christopher Skerritt, M.Ed, CRC, LRC, FVE, IPEC, CVE, ABVE/F, REAS, CEAS I, CLCP, MSCC, CPRW, QRC is a vocational rehabilitation expert specializing in employability assessments and vocational expert testimony. With a career encompassing vocational evaluation, labor market analysis, and life care planning, he brings a multifaceted perspective to his litigation work. His work centers on investigating vocational histories, assessing transferable skills, and evaluating earning capacities. Mr. Skerritt has been retained in numerous expert witness and consulting engagements across New England, involving personal injury, workers' compensation, and disability cases. His Masters in Rehabilitation Counseling, along with certifications such as Certified Rehabilitation Counselor and Certified Vocational Evaluator, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of employability in disputes involving vocational rehabilitation and economic loss.
Vocational RehabilitationRehabilitation NeedsVocational Evaluation+22
OSHA and Safety
FA
Franklin A. “Chip” Darius Jr.
Safety and Health/OSHA Compliance Consultant
Cromwell, CT35 years+ yrs★ 9.0
Franklin A. “Chip” Darius Jr., MA, OHST, CSHO, CUSP, CIT, HSO is a Safety and Health/OSHA Compliance expert specializing in occupational safety and health regulations, policies, standards, and compliance. With a career encompassing safety consulting, OSHA compliance, and extensive training experience, he brings a multifaceted perspective to litigation work. His work centers on investigating occupational incidents, assessing compliance with safety standards, and evaluating whether safety training was adequate. Mr. Darius has been retained in numerous expert witness and consulting engagements across over 20 states, involving cases of fatalities, catastrophic injuries, and personal injuries. His M.A. in Communication Sciences, along with certifications such as Certified Occupational Hygiene & Safety Technician 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 causation in disputes involving OSHA and ANSI standards, multi-employer worksites, and contractor safety responsibilities.
Slips, trips, falls, and floor/stair/walking surface safetyFall protection, fall prevention, personal fall arrest systemsScaffolds, platforms, ladders, aerial boom lifts, scissor lifts+10
Healthcare Data
MF
Michael F. Arrigo
Managing Partner
Newport Beach, CaliforniaOver 30 years+ yrs★ 9.0
Michael F. Arrigo, Bachelor of Science, CPMA, CADS is a healthcare data and regulatory compliance expert specializing in electronic health records and Medicare fraud litigation. With a career spanning economic consulting, medical billing, and HIPAA privacy, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating regulatory compliance, assessing electronic medical record systems, and evaluating whether healthcare billing practices meet industry standards. Mr. Arrigo has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to healthcare data, regulatory compliance, and medical billing fraud. His Bachelor of Science in Business Administration, along with certifications in Clinical Bioethics and Risk Management, Biomedical Informatics, and HIPAA Privacy and Security Rules, 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 electronic health records and Medicare compliance.
Regulatory ComplianceEconomic ConsultingMedical Billing+1
Emergency Medicine
DM
Damon M. Dell’Aglio, MD, FACEP
Emergency Physician, Medical Toxicologist
Phoenix, AZ20+ years+ yrs★ 9.0
Damon M. Dell’Aglio, MD, FACEP is an Emergency Medicine and Medical Toxicology expert specializing in medical malpractice, product liability, and personal injury litigation. With a career encompassing roles as an emergency department medical director and faculty positions in emergency medicine, he brings a multifaceted perspective to his litigation work. His work centers on investigating emergency medical care deviations, assessing drug interactions and toxicology, and evaluating causation in complex medical cases. Dr. Dell’Aglio has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as medical malpractice, product liability, and wrongful death. His Doctor of Medicine - cum laude from the State University of New York Health Science Center at Syracuse, along with certifications as a Fellow of the American College of Emergency Physicians and Board Certified in Medical Toxicology and Emergency Medicine, 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 emergency medical care and toxicology.
ToxicologyMedical ToxicologyPharmacology+8
Medical Genetics
SD
Stephen D. Turner, Ph.D.
Expert Witness
Charlottesville, Virginia15 years+ yrs★ 8.9
Stephen D. Turner, Ph.D. is a Medical Genetics and Forensic Science expert specializing in human genomics, public health, and microbial genomics. With a career spanning academia, industry, and independent consulting, he brings a multidisciplinary perspective to litigation work. His work centers on investigating genetic data, assessing biosecurity measures, and evaluating whether public health protocols have been adhered to. Mr. Turner has been retained in numerous expert witness and consulting engagements across the United States, involving medical genetics, forensic science, and biosecurity cases. His Ph.D. in Computational Human Genetics, along with certifications as a Project Management Professional (PMP) and Registered U.S. Patent Agent, 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 synthetic biology and infectious disease modeling.
Forensic ScienceHuman genomicsPublic health+3
Dram shop
DC
Dr. Curt E. Harper
Forensic Toxicology Consultant
Pelham, AL17 years+ yrs★ 8.9
Dr. Curt E. Harper, Ph.D., MSFS, F-ABFT is a forensic toxicology expert specializing in drug recognition and roadside enforcement training. With a career encompassing leadership roles in toxicology departments and extensive involvement in forensic science committees, he brings a multidisciplinary perspective to litigation work. His work centers on investigating drug-related impairment, assessing toxicological evidence, and evaluating whether forensic procedures meet legal standards. Dr. Harper has been retained in numerous expert witness and consulting engagements across the United States, involving DUI and DUID cases, workplace drug testing, and postmortem toxicology. His Doctor of Philosophy in Pharmacology and Toxicology, along with certifications such as Fellow of the American Board of Forensic Toxicology (F-ABFT) and Drug Recognition Expert (DRE), 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 drug and alcohol impairment.
Retrograde extrapolationWorkplace drug testingWrongful death+14
Medical Devices
DH
Denise Holliday
Medical Device, Regulatory Compliance, and Risk Management Expert
St. Augustine, FL20+ years+ yrs★ 8.9
Denise Holliday, Regulatory Affairs Certification RAC-DEVICES, ISO 13485:2016 Lead Auditor Certification, ISO 9001:2015 Lead Auditor Certification, Certified Quality Auditor Certification, Certified Quality Engineer Certification, Six Sigma Green Belt is a medical device regulatory compliance and risk management expert specializing in litigation support for medical technology businesses, healthcare organizations, and startups. With a career spanning quality management systems, international regulatory compliance, and medical device risk management, she brings a strategic framework to her litigation work. Her work centers on conducting ISO certification audits, spearheading quality management system implementations, and managing regulatory assessments. Ms. Holliday has been retained in numerous expert witness and consulting engagements across the United States, involving medical device manufacturing, compliance, and litigation support. Her Master of Science in Regulatory Science from The Johns Hopkins University, along with her certifications, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of regulatory compliance and risk management in disputes involving medical devices.
Biomedical EngineeringUS FDA 21 CFRHealth Canada SOR/98-282+16
Pharmaceutical Regulation
DB
David B. Ross
M.D., Ph.D., M.B.I.
Baltimore, MD35 years+ yrs★ 8.8
David B. Ross, M.D., Ph.D., M.B.I. is a pharmaceutical regulation and infectious diseases expert specializing in regulatory science and drug safety litigation. With extensive experience in the FDA's regulatory processes and infectious disease management, he brings a comprehensive understanding of drug development and post-marketing surveillance to his litigation work. His work centers on investigating regulatory compliance, assessing drug safety and efficacy, and evaluating whether industry standards have been met. Dr. Ross has been retained in numerous expert witness and consulting engagements across the United States, involving complex pharmaceutical and infectious disease cases. His M.D. in Medicine, along with certifications as a Diplomate in Internal Medicine and Infectious Diseases, 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 drug safety and regulatory compliance.
Infectious DiseasesRegulatory ScienceBiomedical Informatics
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