Find the Right Expert for Every Case

Expert Witness, Laboratory Assessor, Independent Consultant

Bethany Pridgen, Master of Forensic Sciences, Bachelor of Science in Chemistry is a forensic science and toxicology expert specializing in forensic alcohol analysis and driving impairment analysis. With a career encompassing laboratory quality management, forensic drug analysis, and toxicology, she brings a comprehensive forensic framework to her litigation work. Her work centers on investigating forensic alcohol and drug analysis, assessing laboratory quality management practices, and evaluating whether driving impairments are due to alcohol or drugs. Ms. Pridgen has been retained in numerous expert witness and consulting engagements across North Carolina, California, Florida, and other states, involving criminal and civil cases related to forensic toxicology and drug analysis. Her Master of Forensic Sciences, along with certifications such as Lean Six Sigma – Greenbelt Certification and Forensic Alcohol Analyst, 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 forensic alcohol and drug analysis.

Quality Assurance and Laboratory Operations Consultant

Ryan Larrison is a forensic science and quality assurance expert specializing in forensic laboratory operations and program management within criminal litigation. With a career encompassing forensic laboratory operations, quality assurance, firearms examination, and large-scale systems management, he brings a strategic and operational perspective to his litigation work. His work centers on evaluating forensic laboratory methods, assessing compliance with accreditation standards, and determining the reliability of forensic conclusions. Mr. Larrison has been retained in numerous expert witness and consulting engagements across the United States, involving forensic laboratory operations and quality assurance in criminal cases. His Bachelor of Science in Biology and MBA in Executive Leadership, along with his specialized training in ISO 17025 laboratory standards, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of reliability and compliance in disputes involving forensic laboratory practices.

Consultant Paediatrician

Dr Naeem Ahmad, MB BS, DCH, MRCP, FRCPCH is a paediatric and child protection expert specializing in non-accidental injuries and child abuse cases. With a career encompassing community paediatrics, neurodevelopmental disorders, and safeguarding roles, he brings a multidisciplinary approach to his litigation work. His work centers on investigating child protection breaches, assessing the impact of abuse and neglect, and evaluating whether neurodevelopmental disorders are present. Dr. Ahmad has been retained in numerous expert witness and consulting engagements across the UK, involving child protection, disability management, and neurodevelopmental disorder cases. His MB BS from the University of Delhi, along with DCH and MRCP 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 child abuse and neglect.

Pathologist

Francisco J. Diaz, MD, FCAP, FASCP is a forensic pathology expert specializing in cause of death evaluations and medicolegal investigations. With extensive experience in forensic pathology, anatomic pathology, and medical examiner operations, he brings a comprehensive framework to his litigation work. His work centers on investigating cause and manner of death, assessing wound interpretation, and evaluating mechanisms of death. Dr. Diaz has been retained in numerous expert witness and consulting engagements across the United States, involving cases of overdose, elder abuse, and road traffic accidents. His MD in Medicine from Instituto Tecnologico de Santo Domingo, along with certifications in Anatomic Pathology and Forensic Pathology from the American Board of Pathology, 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, suicide, and homicide.

Licensed Psychologist

Jane K. McNaught, Ph.D. is a forensic psychology expert specializing in the diagnosis and treatment of Post-Traumatic Stress Disorder (PTSD) in civil, criminal, and family law contexts. With a career spanning clinical and forensic psychology, she brings a nuanced understanding of psychological evaluation and expert testimony to her litigation work. Her work centers on investigating PTSD claims, assessing psychological impacts in legal disputes, and evaluating whether psychological standards of care have been met. Dr. McNaught has been retained in numerous expert witness and consulting engagements across state and federal courts, involving PTSD, sexual abuse cases, and child custody evaluations. Her Ph.D. in Educational Psychology with an emphasis in Counseling Psychology, along with her licensure as a Licensed Psychologist in Minnesota, 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 forensic psychological evaluations.

J. P. Purswell, PhD, PE, CPE is an ergonomics and human factors expert specializing in OSHA compliance and product safety litigation. With a career encompassing industrial safety, human factors engineering, and risk assessment, he brings a multidisciplinary approach to evaluating safety protocols and ergonomic practices. His work centers on investigating product usability, assessing compliance with safety standards, and evaluating whether ergonomic interventions meet industry guidelines. Dr. Purswell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to workplace safety, consumer product hazards, and industrial equipment. His Ph.D. in Industrial and Systems Engineering (Human Factors Option), along with his Board Certified Professional Ergonomist 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 causation in disputes involving ergonomic work practices and safety compliance.

Forensic Criminologist, Police/Corrections Expert, Certified Medical Investigator

Dr. Ron Martinelli, Ph.D., MPA/JA, Certified Medical Investigator, CMI-V is a forensic criminologist expert specializing in police practices and corrections litigation. With a career encompassing forensic psychology, public and justice administration, and extensive field experience, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating police practices, assessing corrections procedures, and evaluating whether security assessments meet industry standards. Dr. Martinelli has been retained in over 500 expert witness and consulting engagements across the United States, involving cases such as deadly/excessive force, jail suicides, and inadequate security. His Ph.D. in Criminology, with an emphasis in Forensic Psychology, along with certifications such as Certified Medical Investigator, CMI-V, and Certified Litigation Specialist - Police Practices & Corrections, 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 police practices and corrections.

Structural Engineer

RAMESH S. SANT, Ph.D., P.E. is a structural engineering expert specializing in civil engineering project management and forensic investigations. With a career encompassing structural analysis, building code compliance, and expert witness testimony, he brings a comprehensive framework to litigation work. His work centers on investigating structural failures, assessing engineering standard of care, and evaluating whether construction defects have occurred. Mr. Sant has been retained in numerous expert witness and consulting engagements across the Tri-States and Pennsylvania, involving commercial and residential buildings, high-rise towers, and industrial facilities. His Doctor of Philosophy in Structural Engineering from the State University of New York, along with his Professional Engineer licenses in CT, NJ, NY, PA, and VA, 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 structural integrity and engineering practices.

Principal Associate

Mr. Jonathan Emm, BEng (Hons), CEng is a forensic engineering expert specializing in materials failure analysis and fire and explosion investigation. With a career encompassing composites engineering, metallurgy, and materials engineering, he brings a multidisciplinary perspective to litigation work. His work centers on investigating escapes of water, assessing oil and gas incidents, and evaluating whether building and vehicle fires resulted from material failures. Mr. Emm has been retained in numerous expert witness and consulting engagements across the UK, involving cases related to escapes of water, oil and gas, and building and vehicle fires. His BEng (Hons) in Materials Engineering, along with the Cardiff University Law School Bond Solon Expert Witness 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 causation in disputes involving materials engineering and fire investigations.

Pharmacist

Sade Abiola, MPharm, MSc, BSc (Hons), PGCert, DipClinPharm is a pharmaceutical negligence expert specializing in drug interaction analysis and prescribing errors. With a career spanning mental health pharmacy, clinical pharmacy, and pharmacology, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating pharmaceutical negligence, assessing drug interactions, and evaluating whether prescribing errors have occurred. Ms. Abiola has been retained in numerous expert witness and consulting engagements across the UK, involving cases in mental health, primary care, and community pharmacy settings. Her MSc in Clinical Pharmacy, along with certifications in Independent Prescribing and Psychiatric Therapeutics, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving pharmaceutical practices and drug interactions.

Head of Architecture EMEA, Technical Expert

Jason Bagge, BSc, B Arch, LLM is a forensic architecture expert specializing in construction design evaluation and professional negligence. With a career spanning architectural leadership on award-winning projects across diverse sectors, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating fire safety compliance, assessing water ingress issues, and evaluating professional negligence in architectural design. Mr. Bagge has been retained in numerous expert witness and consulting engagements across the United Kingdom, involving mixed-use developments, residential projects, and commercial properties. His LLM in Construction Law and Arbitration, along with his Chartered Membership in the Royal Institute of British Architects (RIBA), 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 construction defects and design compliance.

Steven G. Burgess, CFC, BSBA is a computer and digital forensics expert specializing in data recovery and electronic discovery. With a career encompassing diverse roles in computer hardware, software, and forensic analysis, he brings a comprehensive understanding of digital evidence to litigation work. His work centers on investigating digital data breaches, assessing data recovery processes, and evaluating whether electronic evidence meets legal standards. Mr. Burgess has been retained in numerous expert witness and consulting engagements across California, Idaho, Louisiana, Mississippi, New York, Nevada, and Texas, involving computer investigations, family law, and intellectual property cases. His Bachelor of Science in Business Administration, along with his Certified Forensics Consultant 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 digital forensics and cybersecurity.

Board Certified Indoor Environmental Consultant

STEVEN J. MCLEOD, CIEC, CMC, IEP, WDR, AMRT is an Indoor Environmental Consultant expert specializing in forensic analysis of indoor air quality, mold remediation, and water damage restoration. With a career spanning building science, forensic analysis, and environmental exposure testing, he brings a comprehensive framework to litigation work. His work centers on investigating indoor air quality issues, assessing mold remediation protocols, and evaluating whether industry standards have been met. Mr. McLeod has been retained in numerous expert witness and consulting engagements across the United States, involving residential, commercial, and pharmaceutical facilities. His Master in Green Building Science, along with certifications such as Board Certified Indoor Environmental Consultant (CIEC) and Board Certified Indoor Environmental Professional (IEP), 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 indoor environmental conditions.

Professional Engineer

David C. Flettrich, P.E. is a forensic engineering expert specializing in cause and origin investigations related to poorly performing or problematic building systems. With a career spanning the design and retrofit of mechanical, electrical, and control systems, he brings a multi-disciplined perspective to litigation work. His work centers on investigating design errors and omissions, assessing construction defects, and evaluating whether building systems meet industry standards. Mr. Flettrich has been retained in numerous expert witness and consulting engagements across the Southern United States, involving residential, commercial, industrial, and institutional facilities. His Bachelor of Science in Electrical Engineering from Tulane University, along with certifications as a Certified Indoor Environmentalist (CIE) and Certified Microbial Remediator (CMR), 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 HVAC systems, moisture intrusion, and energy management.

Independent Forensic Audio Examiner

Mark J. Scetta is a forensic audio examiner specializing in scientifically defensible audio clarification and file authentication for criminal, civil, and investigative matters. With a career spanning professional audio engineering, audio post-production, and corporate media production, he brings a technical foundation to the evaluation of audio evidence. His work centers on clarifying contested audio, authenticating recordings, and evaluating whether audio evidence meets admissibility standards. Mr. Scetta has been retained in numerous expert witness and consulting engagements across multiple jurisdictions, involving personal injury, police use-of-force, and criminal defense cases. His B.A. in Film Studies (minor in Music), along with SEAK expert-witness training and FCC-licensed amateur radio operator 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 authenticity and integrity in disputes involving surveillance audio, dashcam recordings, and 911 call comparisons.

Professor of Sociology

Kevin Fox Gotham, Ph.D., CPP is a forensic criminology and security management expert specializing in premises liability and security-related litigation. With a career spanning forensic criminology, political economy of real estate, and tourism gentrification, he brings a multidisciplinary analytical framework to litigation work. His work centers on investigating crime foreseeability, assessing standards of care, and evaluating proximate causation in security management disputes. Dr. Gotham has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to premises liability, negligent security, and workplace violence. His Ph.D. in Sociology, along with his Certified Protection Professional (CPP) 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 causation in disputes involving security management and forensic criminology.

Consulting Sanitary Engineer

Bonneau H. Dickson Jr., P.E. is a Consulting Sanitary Engineer expert specializing in forensic engineering and expert witness testimony. With extensive experience in water and wastewater facility design, he brings a comprehensive understanding of environmental engineering challenges to litigation work. His work centers on investigating system failures, assessing compliance with engineering standards, and evaluating whether design omissions contributed to infrastructure issues. Mr. Dickson has been retained in numerous expert witness and consulting engagements across California, involving cases such as residential leakage, wastewater treatment failures, and sewer system analysis. His M.S. in Sanitary Engineering from Georgia Institute of Technology, along with his Civil Engineer certification in California (#19491), 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 water treatment systems, septic failures, and sewage contamination.

Corporate Safety Executive

Hendrik Botterman, CSP is a construction safety and OSHA compliance expert specializing in liability assessment and contractor duty of care. With a career spanning leadership roles in safety management, policy development, and regulatory compliance, he brings a strategic perspective to litigation work. His work centers on investigating construction site incidents, assessing compliance with safety standards, and evaluating whether safety protocols were adequately implemented. Mr. Botterman has been retained in numerous expert witness and consulting engagements across the United States, involving construction safety, accident investigation, and OSHA compliance cases. His Bachelor of Science in Industrial Technology and Occupational Safety, along with his Certified Safety Professional (CSP) 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 causation in disputes involving construction safety and regulatory compliance.