Find the Right Expert for Every Case

Neuroscientist

Dr. A. E. Du Beau, PhD, MS, BS, D-ABP is a forensic neuroscience expert specializing in forensic behavioral evidence analysis and bloodstain pattern analysis. With a career integrating neuroscientific expertise and criminology, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating forensic behavioral evidence, assessing bloodstain patterns, and evaluating whether neurophysiological factors influenced criminal behavior. Dr. Du Beau has been retained in numerous expert witness and consulting engagements across international jurisdictions, involving criminal cases, violent crimes, and forensic neurobiology. Her PhD in Neuroscience from the University of Glasgow, along with certifications such as Diplomate of the Academy of Behavioral Profiling (D-ABP), 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 neurobiology and behavioral evidence.

Chief Forensic Analyst

Nick Barreiro, BAC, AVFA, DIVRT, AFCE is a forensic analysis expert specializing in video, audio, and image forensics. With a career spanning law enforcement, forensic investigations, and digital evidence recovery, he brings a multifaceted perspective to litigation work. His work centers on investigating evidence recovery, assessing authentication, and evaluating whether enhancements align with forensic standards. Mr. Barreiro has been retained in numerous expert witness and consulting engagements across the United States, involving criminal investigations, media consultations, and digital evidence analysis. His degree in Communications, along with certifications such as Certified Audio Video Forensic Analyst (AVFA) and Amped FIVE Certified Examiner (AFCE), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of evidence authenticity in disputes involving digital media and forensic analysis.

CEO and Senior Consultant

William D. Marscher, PE is a fluid systems engineering expert specializing in rotating and reciprocating machinery, particularly large turbines, generators, compressors, and pumps. With a career spanning mechanical design, engineering physics, and turbomachinery development, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating machinery failures, assessing vibration issues, and evaluating whether design deviations contributed to system malfunctions. Mr. Marscher has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to fluid systems, rotating machinery, and mechanical systems testing. His B.S.M.E. in Mechanical Engineering from Cornell University, Master Eng. (Mech. Des.) in Mechanical Design, and M.Sc. in Engineering Physics (Applied Mechanics) from Rensselaer Polytechnic Institute, along with his Professional Engineer license in New Jersey, 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 turbomachinery and vibration diagnostics.

Digital Forensics and Information Security Analyst

Ira Victor, BA, G2700, GCFA, GPCI, GSEC, CGEIT, CRISC is a digital forensics and information security expert specializing in computer forensics and cybersecurity litigation. With a career spanning digital evidence preservation, cybercrime response, and preventive information security, he brings a comprehensive framework to litigation work involving complex digital environments. His work centers on preserving digital evidence, assessing cybersecurity incidents, and evaluating compliance with information security standards. Mr. Victor has been retained in numerous expert witness and consulting engagements across the United States, involving cases in healthcare, retail, and technology sectors. His Bachelor of Arts Degree in Political Science, along with certifications such as G2700, GCFA, and CGEIT, 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 information security.

Clinical Psychologist

Dr. Kari S. Carstairs, Registered Clinical Psychologist, Certificate of Expert Witness Accreditation, Chartered Psychologist is a forensic psychology expert specializing in forensic assessment. With a career encompassing clinical psychology, psychoanalytic psychotherapy, and expert witness testimony, she brings a nuanced understanding of psychological evaluations to litigation work. Her work centers on investigating psychological conditions, assessing forensic relevance, and evaluating whether psychological factors influence legal outcomes. Dr. Carstairs has been retained in numerous expert witness and consulting engagements across the UK, involving forensic psychology, clinical assessments, and psychoanalytic psychotherapy. Her Doctorate in Clinical Psychology from Widener University, along with her Certificate of Expert Witness Accreditation from Cardiff University/Bond Solon, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of psychological causation in disputes involving personality disorders and post-traumatic stress disorder.

Principle Consultant

Avery Thompson is a digital forensics expert specializing in complex digital evidence analysis and strategic case review. With a career spanning law enforcement, telecommunications analysis, and criminal investigations, he brings a multifaceted investigative framework to his litigation work. His work centers on investigating digital communication patterns, assessing cellular data for forensic relevance, and evaluating whether telecommunications records align with case facts. Mr. Thompson has been retained in numerous expert witness and consulting engagements across the United States, involving cases of digital forensics, drug distribution, and telecommunications analysis. His Business Administration degree from the University of Alaska-Fairbanks, along with certifications such as Cellebrite Certified Operator and Cellebrite Certified Physical Analyst, 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 mobile device forensics and digital evidence interpretation.

Marcel O. Pontón, PhD is a forensic neuropsychology expert specializing in traumatic brain injury and psychological trauma assessment. With a career spanning neuropsychological assessment, brain injury rehabilitation, and Spanish-speaking patient evaluation, he brings a culturally informed framework to litigation work. His work centers on investigating neuropsychological impacts, assessing cognitive impairments, and evaluating whether malingering is present in personal injury cases. Dr. Pontón has been retained in numerous expert witness and consulting engagements across Southern California, involving cases of traumatic brain injury, spinal cord injury, and psychological trauma. His Ph.D. in Clinical Psychology from Fuller Graduate School of Psychology, along with his licenses as a Licensed Clinical Psychologist and Qualified Medical 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 causation in disputes involving neuropsychological injuries and disorders.

Licensed Mechanical Engineer

Tyler G. Colwell, P.E. is a mechanical engineering expert specializing in HVAC and mission-critical systems, forensic engineering, and machinery failure analysis. With a career spanning HVAC design, mission-critical facilities infrastructure, and forensic diagnostics, he brings a first-principles analytical framework to litigation work. His work centers on investigating HVAC failures, assessing code compliance, and evaluating machinery diagnostics. Mr. Colwell has been retained in numerous expert witness and consulting engagements across the United States, involving data center cooling, code compliance disputes, and machinery diagnostics. His Bachelor of Science in Mechanical Engineering from Cal Poly State University, along with his Professional Engineer license in Nevada and NCEES 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 causation in disputes involving HVAC systems and mission-critical infrastructure.

Consulting Mechanical Engineer

Jim Caylor, PE is a mechanical engineering expert specializing in NH3 and CO2 refrigeration systems used in process and cold storage applications. With a career spanning industrial refrigeration service, project engineering, and consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating system design failures, assessing regulatory compliance, and evaluating operational safety in refrigeration systems. Mr. Caylor has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases related to OSHA and EPA citations, OEM and contractor deficiencies, and refrigerant releases. His BSME in Mechanical Engineering from Arizona State University, along with his registration as a Professional Engineer in 19 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 and responsibility in disputes involving industrial refrigeration systems.

Electrical & General Construction Expert Witness

Don Gifford is an electrical and general construction expert specializing in construction defects and contract disputes. With a career spanning electrical engineering, commercial and residential construction, and economic impact analysis, he brings a multifaceted perspective to litigation work. His work centers on investigating construction defects, assessing contract compliance, and evaluating economic impacts in construction-related disputes. Mr. Gifford has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, industrial, and residential construction cases. His Bachelor of Science in General Engineering, along with certifications such as the C10 Electrical Contracting License and Master Electrician credentials, 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 systems and construction practices.

Forensic Toxicologist

Richard Stripp, Ph.D. is a forensic toxicology expert specializing in litigation involving toxicological assessments and pharmacological evaluations. With a career spanning toxicology, pharmacology, and forensic science, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating toxicological impacts, assessing pharmacological interactions, and evaluating whether substances contributed to legal disputes. Mr. Stripp has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to drugs of abuse, DUI/DWI, and toxic chemical exposure. His Ph.D. in Pharmacology & Toxicology, along with his Laboratory Director Certificate of Qualification, 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 toxicology.

CEO & Managing Partner

Erik Laykin CHFI, CEDS, CFLC, JMG is a digital forensics and cyber crime expert specializing in trade secret investigations and intellectual property disputes. With a career spanning complex investigations across financial services, technology, and international trade, he brings a multidisciplinary investigative framework to litigation work. His work centers on investigating intellectual property theft, assessing cyber crime impacts, and evaluating whether corporate espionage has occurred. Mr. Laykin has been retained in over 100 expert witness and consulting engagements globally, involving intellectual property, cyber crime, and financial services risk. His degree in Political Science, along with certifications as a Computer Hacking Forensic Investigator, Certified Electronic Discovery Specialist, and Certified Forensic Litigation Consultant, 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 trade secret theft.

President of Apex Structural Design, LLC

Trent Nelson, P.E. is a structural design and forensic engineering expert specializing in the analysis and evaluation of building components and systems. With extensive design experience in timber, steel, and concrete construction, he brings a comprehensive understanding of structural integrity and failure analysis to his litigation work. His work centers on investigating structural deficiencies, assessing storm and environmental damage, and evaluating whether construction practices meet industry standards. Mr. Nelson has been retained in numerous expert witness and consulting engagements across the Midwest, involving commercial, residential, and industrial property types. His Bachelor of Science degree in Civil Engineering from South Dakota State University, along with Haag Roof Inspector Training – Commercial & Residential, 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 structural failures and damage assessments.

President, Shatec Engineering Consultants, LLC

Dr. Shakir Shatnawi, Ph.D., P.E. is a transportation and pavement engineering expert specializing in highway safety, construction quality assurance, and forensic investigations. With a career spanning public agencies, academia, and industry, he brings a multidisciplinary perspective to litigation work. His work centers on investigating construction defects, assessing roadway surface conditions, and evaluating whether highway geometric design standards have been met. Dr. Shatnawi has been retained in numerous expert witness and consulting engagements across California, involving cases related to transportation, roads, pavements, and construction disputes. His Ph.D. in Civil Engineering (Transportation & Pavement Engineering), along with his California Professional Engineer’s License, 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 highway engineering and construction quality control.

Forensic Services & Litigation Support

Donald Hopkins, Jr., P.E., FSFPE is a fire protection engineering expert specializing in forensic analysis and origin and cause analysis. With a career encompassing fire protection system design, code compliance, and standards development, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating fire-related incidents, assessing fire protection system failures, and evaluating whether code compliance was achieved. Mr. Hopkins has been retained in numerous expert witness and consulting engagements across the United States, involving complex fire protection cases and system design disputes. His M.S. in Fire Protection Engineering, along with his registration as a Professional Fire Protection 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 fire protection systems and code compliance.

Forensic Mechanical Engineer

Roger W. Griffith, P.E. is a forensic mechanical engineering expert specializing in failures of building mechanical systems, including carbon monoxide poisoning, fuel gas leaks and explosions, and hot water scalding incidents. With a career spanning HVAC design, plumbing system analysis, and forensic investigations, he brings a standards-based engineering framework to litigation work. His work centers on investigating system failures, assessing code compliance, and evaluating whether safety standards were met. Mr. Griffith has been retained in over 125 forensic investigations across multiple states, involving product liability, premises liability, and professional negligence claims. His Bachelor of Science in Mechanical Engineering, along with his Board Certification in Forensic Engineering, 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 and plumbing system failures.

Digital Forensics and Cybersecurity Expert

Frederick L. Haggerty, MSLS, CISSP®, CEREA, GREM, CDRE, CDRP, GCFA, Q/FE, FSO is a digital forensics and cybersecurity expert specializing in digital forensics, malware analysis, email investigations, and network intrusion responses. With a career spanning software development and legal studies in cybersecurity, he brings a multidisciplinary perspective to litigation work. His work centers on investigating digital breaches, assessing malware impacts, and evaluating whether security protocols were breached. Mr. Haggerty has been retained in numerous expert witness and consulting engagements across the United States, involving cases of business email compromises, extortion, and trade secret theft. His M.S. in Legal Studies in Cybersecurity and Data Privacy from Albany Law School, along with certifications such as Certified Information Systems Security Professional (CISSP®) and GIAC Certified Forensic Analyst (GCFA), 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.

Lecturer, Co-Founder

Jonathan E. Hochman, Ph.D. is an Internet and Cybersecurity expert specializing in software engineering, digital identity, and data analytics litigation. With a career spanning software development, cybersecurity, and digital identity infrastructure, he brings a multifaceted technological framework to his litigation work. His work centers on investigating cybersecurity breaches, assessing digital identity systems, and evaluating whether software engineering practices meet industry standards. Mr. Hochman has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases related to internet technologies, cybersecurity, and digital advertising. His Doctor of Philosophy in Computer Science from Yale University, along with his CITI Program certification in Biomedical Research, 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 cybersecurity breaches and digital identity systems.