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Clinical Engineering

Matthew F. Baretich, Ph.D., P.Eng., CCE, P.E.

Fort Collins, CO★ 7.2

Matthew F. Baretich, Ph.D., P.Eng., CCE, P.E. is a clinical engineering expert specializing in healthcare technology management and medical device safety. With a career spanning biomedical engineering, risk management, and hospital administration, he brings a multidisciplinary perspective to litigation work. His work centers on investigating medical device incidents, assessing compliance with healthcare standards, and evaluating whether risk management protocols were appropriately followed. Mr. Baretich has been retained in numerous expert witness and consulting engagements across North America, involving healthcare technology management and medical device safety cases. His Ph.D. in Hospital and Health Administration, along with certifications as a Certified Clinical Engineer (CCE) and Professional Engineer (P.Eng., P.E.), 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 clinical engineering and healthcare technology management.

Biomedical EngineeringHealthcare Technology ManagementMedical Device Safety+1
Personal Injury

Julian Shields

Vocational Rehabilitation Consultant

Winchester, VA7 years+ yrs★ 7.2

Julian Shields, PhD, MS, BS is a vocational rehabilitation consultant expert specializing in personal injury and vocational assessments. With a career spanning vocational evaluations, labor market surveys, and transferable skills analysis, he brings a comprehensive understanding of vocational rehabilitation processes to litigation work. His work centers on investigating earning loss, assessing vocational maximum medical improvement, and evaluating whether job analysis aligns with industry standards. Mr. Shields has been retained in numerous expert witness and consulting engagements across the United States, involving personal injury, family law, and maritime cases. His PhD in Counselor Education and Supervision, along with his MS in Rehabilitation Counseling, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of earning capacity in disputes involving vocational rehabilitation.

Vocational AssessmentEarning LossEarning Capacity+9
Spinal Medicine

Dr Glyn Richard Towlerton, BSc MBBS MRCP FRCA FFPMRCA FIPP

Consultant in Spinal & Pain Medicine and Anaesthetics

London★ 7.2

Dr Glyn Richard Towlerton, BSc MBBS MRCP FRCA FFPMRCA FIPP is a Spinal & Pain Medicine expert specializing in medical negligence and personal injury cases. With a career that encompasses extensive clinical practice and academic contributions, he brings a comprehensive perspective to litigation involving complex pain syndromes and spinal cord injuries. His work centers on investigating neuropathic pain, assessing medical negligence in pain management, and evaluating whether standard care protocols were followed in spinal injury cases. Dr. Towlerton has been retained in numerous expert witness and consulting engagements across the UK, involving cases of medical negligence, personal injury, and complex regional pain syndrome. His MBBS from St Bartholomews Hospital, London, along with certifications such as MRCP, FRCA, FFPMRCA, and FIPP, 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 spinal injuries.

Pain ManagementMedical NegligencePersonal Injury+3
Pain Medicine

Dr Nicholas Padfield

Managing Director

London★ 7.2

Dr Nicholas Padfield, MBBS, FRCA, FFPMRCA is a Pain Medicine expert specializing in personal injury assessment and medical negligence. With a career encompassing neuromodulation, spinal cord stimulation, and occupational medicine, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating complications of care, assessing neuropathic pain, and evaluating whether medical negligence has occurred. Dr Padfield has been retained in numerous expert witness and consulting engagements across the UK, involving cases of back pain, complex regional pain syndrome, and whiplash. His MBBS degree, along with certifications in FRCA and FFPMRCA, 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 management and neuromodulation.

NeuromodulationPersonal Injury AssessmentMedical Negligence+1
Emergency Medical Toxicology

Jerome Siegel, MD, MPH

Experienced Toxicology & Emergency Medicine Expert

Miami, Florida★ 7.2

Specializing in forensic toxicology, Jerome Siegel, MD, MPH, provides expert witness services through his role as Founder and President of AMFS (American Medical Forensic Specialists). With extensive experience in emergency medical toxicology and urgent care, he assesses causes of loss related to water poisoning, food poisoning, and substance abuse toxicology. As Medical Director at Rock Med, he coordinates medical coverage at large-scale events, ensuring comprehensive damage assessments in high-pressure environments. Dr. Siegel holds multi-state PE licensing, enhancing his capability to address complex cases across various jurisdictions.

Water PoisoningMedical ToxicologyPublic Health+8
Cardiothoracic Surgery

STEPHEN C CLARK, BMedSci(Hons), BM, BS, DM, FFST, MAMSE, RCPathME, MIoL, FACS, FESC, FACC, DLM, JP, FRCP, FRCS

Professor of Cardiothoracic & Transplant Surgery

Newcastle upon Tyne★ 7.2

STEPHEN C CLARK, BMedSci(Hons), BM, BS, DM, FFST, MAMSE, RCPathME, MIoL, FACS, FESC, FACC, DLM, JP, FRCP, FRCS is a cardiothoracic and transplant surgery expert specializing in clinical negligence analysis and surgical safety protocols. With a career encompassing leadership roles in surgical education and transplantation, he brings a comprehensive framework to his litigation work. His work centers on investigating surgical outcomes, assessing clinical negligence, and evaluating whether medical protocols were adhered to. Mr. Clark has been retained in numerous expert witness and consulting engagements across the United Kingdom, involving complex cardiothoracic and transplantation cases. His Doctorate of Medicine from the University of Nottingham, along with certifications such as the Diploma in Legal 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 cardiothoracic surgery and transplantation.

Cardiopulmonary TransplantationClinical Negligence AnalysisMedical Examiner Services+1
Medical Billing

DAVID MARTINEZ, CEO; Certified Professional Coder; Certified CE Educator (California Board of Chiropractic Examiners); Certified Medical Reimbursement Billing Specialist; Certified Claims Auditor; Certified Claims Examiner; Certified HIPAA Professional; Certified Medical Claims Biller; Certified Compliance Officer

McKinney, TX★ 7.2

David Martinez, CEO; Certified Professional Coder; Certified CE Educator (California Board of Chiropractic Examiners); Certified Medical Reimbursement Billing Specialist; Certified Claims Auditor; Certified Claims Examiner; Certified HIPAA Professional; Certified Medical Claims Biller; Certified Compliance Officer is a medical billing and insurance claims expert specializing in revenue cycle management and compliance issues. With a career encompassing leadership roles in billing services, claims auditing, and managed care, he brings a strategic perspective to litigation involving healthcare reimbursement and compliance. His work centers on investigating billing discrepancies, assessing compliance with healthcare regulations, and evaluating whether proper reimbursement protocols were followed. Mr. Martinez has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to medical billing, insurance claims, and managed care disputes. His certifications as a Certified Professional Coder and Certified Medical Reimbursement Billing 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 compliance and responsibility in disputes involving healthcare billing and insurance claims.

Insurance ClaimsRevenue Cycle ManagementManaged Care+3
Corrections Administration

Victor Lofgreen Ph.D.

The Woodlands, TX★ 7.2

Victor Lofgreen Ph.D. is a corrections administration and criminal justice expert specializing in expert witness testimony and policy consulting. With a career spanning correctional agency administration, academic research, and policy development, he brings a multifaceted perspective to litigation work. His work centers on investigating corrections standards of practices, assessing use-of-force incidents, and evaluating whether inmate supervision meets established protocols. Mr. Lofgreen has been retained in numerous expert witness and consulting engagements nationwide, involving cases related to inmate assault, prisoner medical care standards, and conditions of confinement. His Ph.D. in Human and Community Resources, Interdisciplinary Studies in Education and Sociology, along with his extensive teaching and administrative 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 responsibility in disputes involving corrections standards and practices.

Criminal Justice ResearchExpert Witness TestimonyPolicy Consulting+3
Cell/Stem Cell Therapies

Nima Saeidi, PhD

Boston, Massachusetts★ 7.1

Nima Saeidi, PhD is a Cell/Stem Cell Therapies and Regenerative Medicine expert specializing in litigation involving biotechnology and medical devices. With a robust background in biomedical engineering and molecular biology, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating cellular and tissue engineering, assessing preclinical models of obesity and type 2 diabetes, and evaluating whether therapeutic interventions meet industry standards. Dr. Saeidi has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to obesity research, type 2 diabetes therapeutics, and inflammatory bowel disease treatments. His Ph.D. in Biomedical Engineering/Bioengineering, along with his Postdoctoral Fellowship in Cell Biology and Molecular Biology, 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 advanced medical therapies and biotechnology applications.

Regenerative MedicineObesity ResearchType 2 Diabetes Research+3
Public Health Medicine

Dr Ashley Croft

Consultant in Public Health Medicine, Medical Epidemiologist

London★ 7.1

Dr Ashley Croft, MA (Oxon), MBBS, MSc, MFPHM, FFPHM, DTM&H, PhD is a Public Health Medicine and Medical Epidemiology expert specializing in infectious diseases and medico-legal reports. With a career encompassing systematic reviews, tropical diseases, and travel medicine, he brings a comprehensive epidemiological perspective to litigation work. His work centers on investigating infectious disease outbreaks, assessing medication safety, and evaluating whether public health standards have been met. Dr. Croft has been retained in numerous expert witness and consulting engagements across the UK, involving cases related to infectious diseases, travel medicine, and public health. His PhD in Epidemiology, along with his Fellowships in Public Health Medicine and Tropical 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 viral and bacterial infections.

Medical EpidemiologyInfectious DiseasesTravel Medicine+3
Gastroenterology

Perry Hookman, M.D., FACP, FACG, FACGE, AGAF

Boca Raton, FL★ 7.1

Perry Hookman, M.D., FACP, FACG, FACGE, AGAF is a gastroenterology and internal medicine expert specializing in medical malpractice and cancer diagnosis. With a career spanning academic medicine, clinical practice, and medical education, he brings a multifaceted perspective to litigation work. His work centers on investigating endoscopic procedure outcomes, assessing cancer diagnosis protocols, and evaluating whether medical standards of care were met. Dr. Hookman has been retained in numerous expert witness and consulting engagements across the United States, involving cases in gastroenterology, hepatology, and internal medicine. His M.D. from the State University of New York (SUNY Downstate Medical Center), along with his Diplomate status from the American Board of Internal Medicine, Subspecialty Board of Gastroenterology, 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 complex medical conditions.

Internal MedicineMedical MalpracticeEndoscopic Procedures+3
Respiratory Medicine

Dr Mazhar Chaudri

Consultant Anaesthetist

Birmingham★ 7.1

Dr Gauhar Sharih, BM, FRCA is an anaesthetics expert specializing in clinical negligence cases related to anaesthesia. With a career encompassing obstetric, gynaecological, and regional anaesthesia, he brings a nuanced understanding of complex anaesthetic procedures to his litigation work. His work centers on investigating clinical negligence, assessing adherence to anaesthetic protocols, and evaluating whether standard of care deviations occurred. Dr. Sharih has been retained in numerous expert witness and consulting engagements across the UK, involving cases in obstetric and gynaecological anaesthesia, as well as complex surgical anaesthesia. His BM from the University of Southampton Medical School, along with his FRCA from the Royal College of Anaesthetists, 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 anaesthetic practices.

Lung Cancer ScreeningInterventional PulmonologyBronchoscopy+9
Personal Injury Claims

Mr Simon Wimsey FRCS (Tr & Orth)

Consultant Orthopaedic and Hand Surgeon

Sawbridgeworth, Hertfordshire★ 7.1

Mr Simon Wimsey FRCS (Tr & Orth) is a Consultant Orthopaedic and Hand Surgeon expert specializing in personal injury and medical negligence claims. With a career encompassing trauma and orthopaedic surgery, hand surgery, and upper limb injuries, he brings a nuanced understanding of surgical procedures and injury mechanisms to his litigation work. His work centers on investigating orthopaedic trauma, assessing surgical outcomes, and evaluating whether standard of care deviations occurred. Mr. Wimsey has been retained in numerous expert witness and consulting engagements across the UK, involving personal injury and medical negligence cases. His CertMR Certificate of Medical Reporting Parts 1 & 2, along with Clinical Negligence Essentials certifications, 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 orthopaedic and upper limb injuries.

Medical Negligence ClaimsOrthopaedic ConditionsUpper Limb Injuries+1
Toxicology

Heath Jolliff, DO

Medical Toxicology and Forensics Expert

Columbus, OH24 years+ yrs★ 7.1

Heath Jolliff, DO is a medical toxicology and forensics expert specializing in forensic toxicology, drug abuse, and impairment cases. With a career spanning toxicology, emergency medical toxicology, and risk assessment, he brings a nuanced understanding of substance-related impairments and their implications in legal contexts. His work centers on investigating overdose incidents, assessing drug testing results, and evaluating whether impairment influenced behavior. Mr. Jolliff has been retained in numerous expert witness and consulting engagements across the United States, involving cases of DUI, drug abuse, and toxicology assessments. His DO from Ohio University-COM, along with active medical licenses in Colorado and Ohio, 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 marijuana, alcohol, and opioid-related impairments.

Emergency Medical Toxicology
Accommodation Needs Assessment

Mr Thomas Andrew Skerratt, LLB, MRICS, MEWI, CUEW

Accommodation Needs Specialist

Worthing, West Sussex★ 7.1

Mr Thomas Andrew Skerratt, LLB, MRICS, MEWI, CUEW is an Accommodation Needs Specialist expert specializing in personal injury and medical negligence claims. With a career spanning accommodation needs assessment, construction industry insights, and disability accommodation, he brings a comprehensive legal and practical framework to litigation work. His work centers on investigating accommodation requirements, assessing property suitability, and evaluating whether adaptations meet individual needs. Mr. Skerratt has been retained in numerous expert witness and consulting engagements across the UK, involving complex accommodation claims and personal injury cases. His LLB degree, along with certifications such as the Bond Solon Cardiff University Accreditation, 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 accommodation needs and adaptations.

Personal Injury ClaimsMedical Negligence ClaimsConstruction Industry+1
Forensic Psychiatry

Dr Yolande Lucire, PhD, MBBS, DPM, FRANZCP

Forensic & Medico-Legal Psychiatrist

Woollahra, NSW★ 7.1

Dr Yolande Lucire, PhD, MBBS, DPM, FRANZCP is a forensic and medico-legal psychiatry expert specializing in criminal law, civil law, and medical negligence. With a diverse background in the history of medicine and medical anthropology, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating pharmaceutical side effects, assessing medico-legal implications, and evaluating whether psychiatric standards of care have been met. Dr Lucire has been retained in numerous expert witness and consulting engagements across Australia, involving cases related to forensic psychiatry, medico-legal psychiatry, and family law. Her PhD in History of Medicine and Medical Anthropology, along with her MBBS and DPM, 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 psychiatric evaluations and pharmaceutical impacts.

Medico-Legal PsychiatryCriminal LawCivil Law+3
Architectural Design

Derek Moor, B.ARCH, FRAIA, AIArbA

Architect, Construction Contract Consultant

Biggera Waters, QLD★ 7.1

Derek Moor, B.ARCH, FRAIA, AIArbA is an Architectural Design and Construction Contract Consulting expert specializing in educational, medical, and retail facility design. With a career encompassing diverse project management and design roles, he brings a multifaceted perspective to litigation work. His work centers on investigating architectural compliance, assessing contract adherence, and evaluating whether design standards were met. Mr. Moor has been retained in numerous expert witness and consulting engagements across Australia, involving educational, medical, and residential design cases. His B.ARCH degree, along with his Fellow of the Royal Australian Institute of Architects and Associate Institute of Arbitrators Australia memberships, 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 architectural design and construction contract issues.

Construction Contract ConsultingProject ManagementEducational Facility Design+3
Diagnostic Neuroradiology

Dr Paul Butler, BSc (Biochemistry), MRCS (Eng) LRCP (Lond), MB BS, MRCP (UK), DMRD

Consultant Neuroradiologist

London★ 7.1

Dr Paul Butler, BSc (Biochemistry), MRCS (Eng) LRCP (Lond), MB BS, MRCP (UK), DMRD is a Consultant Neuroradiologist expert specializing in Diagnostic Neuroradiology and Interventional Vascular Neuroradiology. With a career encompassing leadership roles in imaging and advanced neuroradiological procedures, he brings a comprehensive clinical framework to his litigation work. His work centers on investigating diagnostic imaging accuracy, assessing interventional neuroradiology techniques, and evaluating whether cerebrovascular disease management aligns with medical standards. Dr. Butler has been retained in numerous expert witness and consulting engagements across the UK, involving complex cerebrovascular disease and stroke imaging cases. His BSc in Biochemistry, along with MRCS (Eng) LRCP (Lond), MB BS, MRCP (UK), and DMRD, 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 advanced medical imaging and neuroradiological interventions.

Interventional Vascular NeuroradiologyCerebrovascular DiseaseStroke Imaging+1
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