Find the Right Expert for Every Case

Physician Life Care Planner and Pain Management Physician

Steven Barna, MD, CLCP is a Physician Life Care Planner and Pain Management expert specializing in life care planning and chronic pain evaluation. With a career encompassing advanced pain management techniques and life care planning, he brings a multidisciplinary approach to litigation work. His work centers on investigating pain management protocols, assessing life care plans, and evaluating whether medical interventions meet standard care requirements. Dr. Barna has been retained in numerous expert witness and consulting engagements across federal and state courts, involving complex pain management and life care planning cases. His M.D. from Case Western Reserve University School of Medicine, along with certifications in Anesthesiology and as a Certified Life Care Planner (CLCP), 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 life care planning.

Managing Partner

Michael F. Arrigo is a healthcare data and regulatory compliance expert specializing in electronic health records, HIPAA privacy, and Medicare fraud litigation. With a career encompassing healthcare data management, regulatory frameworks, and economic consulting, he brings a multifaceted perspective to his litigation work. His work centers on investigating electronic health record compliance, assessing HIPAA privacy adherence, and evaluating whether Medicare billing practices align with regulatory 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 from The University of Southern California, 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 responsibility in disputes involving electronic health records and regulatory compliance.

Vocational Counselor and Consultant Evaluator

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.

Safety and Health/OSHA Compliance Consultant

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.

Chartered Architectural Technologist

Richard Grota MCIAT is an accommodation needs assessment expert specializing in medical negligence and personal injury cases. With a career spanning architectural design, project management, and accessible housing development, he brings a comprehensive understanding of how to adapt environments for individuals with disabilities. His work centers on preparing detailed construction drawings, evaluating property suitability, and managing inclusive design projects. Mr. Grota has been retained in numerous expert witness and consulting engagements across the UK, involving medical negligence and personal injury cases, as well as accessible housing projects. His BTEC Higher National Certificate in Building Studies, along with his Legal Experience Training Advanced Professional Award in Expert Witness Evidence (LETAPAEWE), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of accommodation needs in disputes involving accessible housing and disability accommodations.

Medical Device, Regulatory Compliance, and Risk Management Expert

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.

Consultant Ophthalmic Surgeon

Mr Jonathan Clive Park, BSc (Hons), MB ChB (Hons), FRCOphth is a Consultant Ophthalmic Surgeon expert specializing in clinical negligence and personal injury cases within ophthalmology. With a career encompassing extensive experience in retinal surgery, cataract surgery, and ocular trauma, he brings a nuanced understanding of surgical and medical retina to his litigation work. His work centers on investigating clinical negligence, assessing surgical outcomes, and evaluating whether standard of care deviations occurred. Mr. Park has been retained in numerous expert witness and consulting engagements across the UK, involving clinical negligence and personal injury cases in ophthalmology. His MB ChB (Hons) in Medicine, along with the CUBS Expert Witness Certificate and Vitreo-Retinal Surgery Fellowship Certificate, 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 retinal and cataract surgery.

Expert Witness

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 Toxicology Consultant

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.

Private GP & Expert Witness

Dr Ruhin Karim, BSc (UCL), M.D. (SGUSOM), LMSSA.Lond (GKT, London), MRCS Parts I & II (England), MRCGP (England), CCFP (Canada), AAFP (USA) is a General Practice expert specializing in medico-legal reporting and healthcare business leadership. With a diverse career encompassing private general practice, medical consulting, and healthcare entrepreneurship, he brings a multifaceted perspective to litigation work. His work centers on preparing detailed medico-legal reports, assessing the impact of removal on health, and evaluating the quality and affordability of care. Dr. Karim has been retained in numerous expert witness and consulting engagements across the UK and internationally, involving personal injury, forensic assessments, and immigration medical assessments. His Doctor of Medicine (MD) from St George’s University School of Medicine, along with certifications such as MedCo Accredited 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 medical conditions and healthcare practices.

M.D., Ph.D., M.B.I.

David B. Ross, M.D., Ph.D., M.B.I. is a pharmaceutical regulation and infectious diseases expert specializing in drug safety, labeling, and post-marketing surveillance. With a career encompassing regulatory science, biomedical informatics, and infectious disease management, he brings a comprehensive regulatory framework to litigation involving pharmaceutical compliance and safety. His work centers on investigating regulatory adherence, assessing drug development processes, 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 cases related to FDA regulations, drug safety, and infectious diseases. 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 pharmaceutical regulation and infectious disease management.

Emergency Medicine Physician and Medical Toxicology Consultant

Jonathan De Olano, MD, MAT is an emergency medicine and medical toxicology expert specializing in acute care, poisonings, overdoses, medication errors, and environmental exposures. With a career encompassing emergency management of traumatic injuries and toxicology consultation, he brings a nuanced perspective to litigation involving toxicologic and emergency medical issues. His work centers on investigating toxicologic exposures, assessing medication errors, and evaluating whether standard of care was met in emergency medical situations. Dr. De Olano has been retained in numerous expert witness and consulting engagements across Georgia, involving cases related to toxicologic exposures, overdoses, and poisoning-related injuries. His MD in Medicine from Emory University School of Medicine, along with board certifications from the American Board of Emergency Medicine in both emergency medicine and medical 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 toxicology and emergency medical care.

MSME, PE

Karl R. Leinsing, MSME, PE is a medical device engineering expert specializing in full life cycle medical device product development and consulting. With a career encompassing mechanical engineering, regulatory compliance, and innovative design, he brings a comprehensive framework to litigation work involving complex product development and patent disputes. His work centers on investigating patent infringement, assessing product liability, and evaluating whether industry standards were met in medical device development. Mr. Leinsing has been retained in numerous expert witness and consulting engagements across the United States, Canada, EPO, USPTO, ITC, and Australia, involving patent and liability cases in the medical device industry. His M.S. in Mechanical Engineering from North Carolina A&T State University, along with his Professional Engineer license in NH, 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 medical device design and functionality.

MS PhD PE MLE

Bradley Edward Layton, MS PhD PE MLE is a Biomedical and Mechanical Engineering expert specializing in accident reconstruction and biomechanics. With a career spanning biomechanics, energy systems, and nanotechnology, he brings a multidisciplinary perspective to litigation work. His work centers on investigating accident causation, assessing mechanical failures, and evaluating whether engineering standards were met. Mr. Layton has been retained in numerous expert witness and consulting engagements across states including CA, FL, GA, IA, KS, MA, MI, MT, NV, OK, and PA, involving cases related to personal injury, engineering failures, and patent disputes. His PhD in Biomedical Engineering, 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 biomechanics and mechanical engineering.

Associate Professor of Biomedical Engineering

Patrick Jurney, Ph.D., FAHA is a biomedical engineering expert specializing in mechanobiology, microfluidics, and cardiovascular biomaterials. With a career spanning academic research, teaching, and mentorship, he brings a multidisciplinary framework to litigation work involving complex biomedical systems. His work centers on investigating fluid shear stress impacts, assessing endothelial cell function, and evaluating mitochondrial dynamics in cardiovascular pathophysiology. Dr. Jurney has been retained in numerous expert witness and consulting engagements across the United States, involving cardiovascular devices, biomedical engineering, and medical device manufacturing. His PhD in Mechanical Engineering, along with his designation as a Fellow of the American Heart Association, 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 cardiovascular biomaterials and device efficacy.

Global leader and serial entrepreneur in the medical device industry

Peter A. Crosby, Bachelor of Engineering, Master of Engineering Science, Fellow of the Australian Institute of Company Directors is a medical device industry expert specializing in intellectual property, biomedical engineering, and product liability litigation. With a career spanning executive leadership, strategic development, and regulatory navigation, he brings a multifaceted perspective to his litigation work. His work centers on investigating intellectual property disputes, assessing product liability claims, and evaluating corporate governance practices. Mr. Crosby has been retained in numerous expert witness and consulting engagements across the United States and Europe, involving cases in the medical device and healthcare industries. His Master of Engineering Science in Biomedical Engineering, along with his Fellowship at the Australian Institute of Company Directors, 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 medical devices and corporate governance.

Anesthesiologist

Keith J. Chamberlin, MD MBA FASA is an anesthesiology expert specializing in anesthesiology standard of care. With a career encompassing roles in hospital administration, healthcare management, and clinical anesthesiology, he brings a multifaceted perspective to litigation work. His work centers on investigating deviations in anesthesiology practices, assessing healthcare management protocols, and evaluating whether safety and quality standards were upheld. Dr. Chamberlin has been retained in numerous expert witness and consulting engagements across California, involving cases related to anesthesiology practices, hospital administration, and healthcare fraud. His Medical Doctor degree from Georgetown University School of Medicine, along with Board Certification by the American Board of Anesthesiology and his status as a Fellow of the American Society of Anesthesiologists, 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 anesthesiology and healthcare management.

Expert Witness

Tarannom Parhizkar, Ph.D., P.E. is an Energy Systems Engineering expert specializing in fault detection, diagnosis, and prognostic health monitoring of complex systems. With a career encompassing advanced research in risk assessment and system optimization, she brings a robust analytical framework to litigation work. Her work centers on investigating fault detection methodologies, assessing risk management strategies, and evaluating system optimization techniques. Ms. Parhizkar has been retained in numerous expert witness and consulting engagements across the United States, involving energy infrastructure and complex system failures. Her Ph.D. in Energy Systems Engineering, along with her Licensed Professional Engineer designation, 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 energy systems and infrastructure resilience.