Find the Right Expert for Every Case

Principal, Forensic Architect

Christopher D. Ling, AIA, NCARB, PP, LEED AP, CCT is a forensic architecture expert specializing in construction litigation and architectural standard of care. With a career spanning architectural design, construction defect analysis, and expert testimony, he brings a comprehensive understanding of construction project intricacies to his litigation work. His work centers on investigating construction defects, assessing architectural standards of care, and evaluating whether building codes have been adhered to. Mr. Ling has been retained in numerous expert witness and consulting engagements across the United States, involving complex construction defect cases and architectural standard of care disputes. His Bachelor of Architecture in Architecture, along with certifications such as the NCARB Certificate and Certified Cost Technician (CCT), 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 claims and architectural practices.

Principal Engineer

Wayne J. Seiler, Ph.D., P.E. is a pavement engineering expert specializing in forensic analysis and pavement management systems. With a career spanning airport, highway, and port pavement engineering, he brings a comprehensive understanding of pavement evaluation and rehabilitation design to litigation work. His work centers on investigating pavement failures, assessing nondestructive deflection testing results, and evaluating whether rehabilitation designs meet industry standards. Dr. Seiler has been retained in numerous expert witness and consulting engagements across the United States, involving airport and port pavement projects. His Ph.D. in Civil Engineering, along with his Professional Engineer licenses in MN, IL, NC, FL, VA, MD, and MS, 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 pavement failures and management systems.

Certified Public Accountant

EJ Janik, CPA, CFF, CFE, CFLC is a forensic accounting expert specializing in business dispute consulting and fraud analyses. With a career spanning forensic accounting, fraud investigations, and construction claims, he brings a multifaceted analytical framework to litigation work. His work centers on investigating financial discrepancies, assessing business damages, and evaluating whether industry standards were met in complex financial disputes. Mr. Janik has been retained in numerous expert witness and consulting engagements across the United States, involving cases in industries such as construction, energy, and real estate. His Master of Science in Accounting from Louisiana State University, along with certifications as a Certified Public Accountant, Certified in Financial Forensics, Certified Fraud Examiner, 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 causation in disputes involving forensic accounting and fraud investigations.

Expert Witness

Joseph Quinn, M.S., P.E. is a materials engineering and failure analysis expert specializing in product failure analysis involving water loss, fire and explosions, accidents, and forensic investigations. With a career spanning material failures due to abuse/misuse, application, design, environment, fabrication, installation, maintenance, manufacturing, and processing, he brings a comprehensive framework to litigation work. His work centers on investigating product failures, assessing material degradation, and evaluating whether engineering design standards were met. Mr. Quinn has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to construction defects, product liability, and mechanical failures. His Master of Science in Materials Engineering, along with his Licensed Professional Engineer designation in Metallurgical 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 product design and material integrity.

Senior Software & Hardware Engineer, Computer Scientist, Expert Witness

Bert Schiettecatte, MSc/CS, MA/MST is an intellectual property litigation expert specializing in software and hardware engineering disputes. With a career encompassing digital signal processing, algorithmic trading, and embedded systems, he brings a multifaceted technical perspective to his litigation work. His work centers on investigating software source code integrity, assessing hardware design compliance, and evaluating whether trade secret misappropriation has occurred. Mr. Schiettecatte has been retained in numerous expert witness and consulting engagements across the United States, involving patent litigation, trade secret misappropriation, and breach-of-contract cases. His Master of Science in Computer Science from Vrije Universiteit Brussel, along with his Master of Arts in Music, Science and Technology from Stanford University, 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 software and hardware systems.

Tire, Fire & Automotive Consultant

Thomas J. Lepper, CFEI is an automotive failure analysis expert specializing in forensic investigation and fire cause and origin. With a career spanning tire and brake analysis, mechanical defect evaluation, and vehicle theft analysis, he brings a comprehensive forensic perspective to litigation work. His work centers on investigating tire separations and failures, assessing fire cause and origin, and evaluating mechanical defects. Mr. Lepper has been retained in numerous expert witness and consulting engagements across California, involving automotive failures, tire and brake analysis, and fire cause investigations. His Bachelor of Science in Education from Southern Illinois University, along with his Certified Fire and Explosion Investigator 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 causation in disputes involving automotive component failures and fire origins.

MS, PE

Ryan D. Cook, MS, PE is a mechanical engineering expert specializing in firearms and ballistics litigation. With a career encompassing design engineering, failure analysis, and intellectual property, he brings a comprehensive understanding of product liability and safety standards to his litigation work. His work centers on investigating component failures, assessing product liability claims, and evaluating whether manufacturing standards have been met. Mr. Cook has been retained in numerous expert witness and consulting engagements across the United States, involving firearms, consumer electronics, and manufacturing hardware. His Master of Science in Mechanical Engineering from Brigham Young University, along with his Professional Engineer (PE) 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 causation in disputes involving firearms and mechanical failures.

Expert Witness & Consultant

Dr. John R. Black, D.B.A. is a police use of force and practices expert specializing in the analysis of police tactics, officer-involved shootings, and decision-making processes. With a career encompassing law enforcement operations, military service, and advanced academic research, he brings a comprehensive systems thinking approach to evaluating complex use of force incidents. His work centers on investigating police practices, assessing decision-making frameworks, and evaluating whether proper protocols were followed in use of force events. Dr. Black has been retained in numerous expert witness and consulting engagements across international, federal, and state jurisdictions, involving police practices, use of force, and civilian self-defense cases. His Doctor of Business Administration in Business Intelligence, along with certifications such as Certified Litigation Specialist (C.L.S.) – Police and Force Science Institute analysis certified – 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 police use of force and decision-making processes.

Expert Witness

Jay Beam is a forensic engineering and safety expert specializing in litigation support within the oil and gas industry. With a career spanning safety engineering, environmental compliance, and accident reconstruction, he brings a multifaceted perspective to his litigation work. His work centers on investigating industrial accidents, assessing regulatory compliance, and evaluating whether safety standards have been met. Mr. Beam has been retained in numerous expert witness and consulting engagements across the United States, involving oilfield accidents, workplace safety, and regulatory compliance cases. His Master’s Degree in Mechanical Engineering from Iowa State, along with his membership in the National Association of Forensic Engineers, 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 industrial safety and compliance.

Managing Director

Casey K. Hemmatyar, PE, SE is a forensic engineering expert specializing in construction litigation support. With a career spanning structural failure analysis, seismic hazard evaluation, and building code development, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating structural failures, assessing construction defects, and evaluating whether seismic retrofits meet industry standards. Mr. Hemmatyar has been retained in numerous expert witness and consulting engagements across the United States and Canada, involving construction defects, structural failure investigations, and seismic retrofitting cases. His BS in Structural Engineering from the University of Science & Technology, along with his SE and PE licenses 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 structural integrity and construction practices.

President and Founder

David Hilliard Williams is a wireless and IoT technology expert specializing in product and technology development, implementation, and intellectual property litigation services. With a career spanning telecommunications, geotechnical engineering, and location-based services, he brings a multifaceted perspective to his litigation work. His work centers on investigating GPS and network-based location determination systems, assessing wireless 911 and NG911 technologies, and evaluating IoT data privacy and security. Mr. Williams has been retained in numerous expert witness and consulting engagements across the U.S., involving patent, ITC, and criminal litigation, as well as civil trade secrets and product liability cases. His MBA in Information Systems Management from The University of Texas at Austin, along with his BSEE in Digital System Design from Purdue University, 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 wireless communications and IoT systems.

CEO and Lead Forensic Expert

Jason Fries, Advanced Force Science Specialist, Force Science Certificate, Private Pilot Certificate is a forensic reconstruction expert specializing in accident reconstruction and forensic animation. With a career spanning the development of laser-based photogrammetry and the introduction of 3D reconstructions into courtrooms, he brings a pioneering perspective to litigation work. His work centers on investigating officer-involved shootings, assessing nighttime visibility, and evaluating whether forensic animations meet admissibility standards. Mr. Fries has been retained in numerous expert witness and consulting engagements across the United States, involving civil and criminal cases, including officer-involved shootings and accident reconstructions. His B.S. in Biology (Focus in Physics and Chemistry), along with certifications such as Advanced Force Science Specialist and Force Science 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 forensic reconstructions and human factors.

Economic damages expert witness

Nicole A. Liska is an economic damages expert specializing in applied economic and statistical modeling for litigation involving personal injury, wrongful death, employment-related cases, class action claims, and commercial disputes. With a career spanning diverse industries and complex case types, she brings a multidisciplinary analytical framework to her litigation work. Her work centers on investigating economic damages, assessing statistical evidence, and evaluating whether financial losses align with alleged claims. Ms. Liska has been retained in numerous expert witness and consulting engagements across federal and state courts, involving cases such as personal injury, wrongful termination, discrimination, intellectual property, and antitrust disputes. Her M.A. in Economics from the University of California, San Diego, along with her membership in the National Association of Forensic Economics and the American Academy of Economic and Financial Experts, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of economic damages in disputes involving lost earnings, class action claims, and commercial litigation.

Chief Forensic Analyst

Nick Barreiro, BAC, AVFA, DIVRT, AFCE is a forensic video, audio, and image analysis expert specializing in evidence recovery and authentication. With a career encompassing forensic investigations, law enforcement, and advanced technical training, he brings a multifaceted perspective to litigation work. His work centers on investigating digital media authenticity, assessing evidence integrity, and evaluating whether forensic standards have been met. Mr. Barreiro has been retained in numerous expert witness and consulting engagements across the United States, involving complex criminal and civil cases. His major in Communications from the University of California at Davis, 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 and integrity in disputes involving digital media forensics.

Firearm and Tool Mark Examiner

Dean S. Molnar, Jr. is a firearm and tool mark examination expert specializing in crime scene analysis and shooting reconstruction. With a career encompassing forensic science operations and quality assurance, he brings a comprehensive operational framework to his litigation work. His work centers on investigating firearm function and operability, assessing shooting scene reconstructions, and evaluating whether forensic methodologies adhere to accreditation standards. Mr. Molnar has been retained in numerous expert witness and consulting engagements across Michigan, involving criminal cases related to firearms and tool mark identification. His Bachelor of Science in Criminal Justice and Bachelor of Science in Fire Science, along with his membership in the Association of Firearm and Tool Mark Examiners (AFTE) and the American Society of Crime Laboratory Directors (ASCLD), 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 firearms trajectory analysis and crime scene reconstruction.

Assistant Professor of Clinical Psychiatry

Lawrence Amsel, M.D., M.P.H. is a forensic psychiatry expert specializing in psychiatric malpractice and trauma-related litigation. With a career encompassing psychiatric research, clinical practice, and academic instruction, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating psychiatric malpractice, assessing trauma and PTSD claims, and evaluating whether healthcare standards were met in psychiatric care. Dr. Amsel has been retained in numerous expert witness and consulting engagements across the United States, involving cases of psychiatric personal injury, trauma, and healthcare standards. His M.D. in Medicine from Yale University School of Medicine and M.P.H. in Public Health/Biostatistics from Columbia University School of Public Health, along with his Diplomate certification from the American Board of Psychiatry and Neurology, 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 psychiatric malpractice and trauma.

MD, FACEP

Dan Field, MD, FACEP is a forensic and emergency medicine expert specializing in the analysis of complex injury patterns and causation in legal contexts. With a career spanning forensic science, emergency medical practice, and toxicology, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating mechanisms of injury, assessing causation in cases of blunt force trauma, and evaluating whether medical standards were met in emergency care scenarios. Dr. Field has been retained in numerous expert witness and consulting engagements across the United States, involving cases of domestic violence, police use of force, and toxicological analysis. His Medical Doctorate from the University of California at San Francisco, along with his Board Certification by the American Board of 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 grave bodily injury and cause of death analysis.

M.F.S.

Joanna L. Collins, M.F.S. is a forensic science and investigation expert specializing in medico-legal death investigations, child abuse investigations, and crime scene management. With a career encompassing federal criminal investigations and supervisory roles, she brings a strategic and analytical framework to her litigation work. Her work centers on investigating sexual assaults, assessing evidence integrity, and evaluating whether investigative procedures align with legal standards. Ms. Collins has been retained in numerous expert witness and consulting engagements across federal, state, and military jurisdictions, involving cases of sexual assault, child abuse, and medico-legal death investigations. Her Master of Forensic Sciences from The George Washington University, along with her extensive experience in forensic science, 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 investigations and crime scene analysis.