Browse our verified directory of expert witnesses spanning medicine, engineering, finance, and dozens of specialized fields.
Showing 109–126 of 208 experts
Clear filtersExpert 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.
Criminalistics Subject Matter Expert
Deborah Stonebarger, BS is a Criminalistics Subject Matter Expert specializing in forensic science and crime scene investigation. With a career encompassing forensic firearms analysis, DNA and biological fluids, and controlled substances, she brings a multidisciplinary approach to her litigation work. Her work centers on investigating crime scenes, assessing evidence integrity, and evaluating whether forensic procedures adhere to industry standards. Ms. Stonebarger has been retained in numerous expert witness and consulting engagements across California and Arizona, involving criminal defense cases, forensic laboratory audits, and evidence collection disputes. Her Bachelor of Science in Biological Sciences with a minor in Chemistry, along with her certification in Comprehensive Criminalistics, Diplomate status from the American Board of Criminalistics, 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 evidence and crime scene investigations.
Mechanical and Metallurgical Engineering Consultant
Jamie L. Petty-Galis, M. S., P.E. is a forensic metallurgical and mechanical engineering expert specializing in material failure analysis and structural integrity assessment. With a career encompassing diverse material applications in industries such as aviation, biomedical, and oil and gas, she brings a multidisciplinary approach to her litigation work. Her work centers on investigating material failures, assessing structural integrity, and evaluating the root causes of system failures. Ms. Petty-Galis has been retained in numerous expert witness and consulting engagements across the United States, involving cases in aviation, oil and gas, and transportation industries. Her M.S. in Materials Science from The University of Texas at Arlington, along with her Texas Professional Engineer license, 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 complex material systems.
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.
Police Practices Expert
Frank R. Vanecek, Police Practices Expert is a police practices expert specializing in wrongful conviction and use of force litigation. With a career spanning law enforcement at city, county, state, tribal, and federal levels, he brings a multifaceted perspective to his litigation work. His work centers on investigating police conduct, assessing compliance with law enforcement standards, and evaluating whether procedural violations occurred. Mr. Vanecek has been retained in numerous expert witness and consulting engagements nationwide, involving cases of false conviction, wrongful detention, and excessive force. His Bachelor of Arts in Management with a Criminal Justice Minor, along with certifications as a California and Colorado certified Peace Officer (POST), 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 police practices and procedures.
Mechanical & Metallurgical Engineer
Bradley N. Plank, P.E. is a mechanical and metallurgical engineering expert specializing in forensic engineering and failure analysis. With a career spanning mechanical equipment, metallurgical processes, and product safety management, he brings a comprehensive understanding of engineering failures and their implications in litigation contexts. His work centers on investigating mechanical failures, assessing metallurgical integrity, and evaluating whether product design meets industry standards. Mr. Plank has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to mechanical equipment, oil and gas transmission, and HVAC systems. His Bachelor of Science in Metallurgical Engineering, along with his Professional Engineer license and 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 mechanical and metallurgical failures.
Expert Witness
Barry Taheri is a construction defects expert specializing in forensic investigations and exterior envelope failure analysis. With a career spanning forensics, weatherization, and field testing, he brings a comprehensive understanding of building science and waterproofing systems to his litigation work. His work centers on investigating construction defects, assessing weatherization failures, and evaluating whether industry standards were met in building enclosure systems. Mr. Taheri has been retained in numerous expert witness and consulting engagements across California, involving construction defect cases in residential, commercial, and retail properties. His education from the USC School of Architecture and Engineering, along with certifications such as the DuPont Envelope certification (DWSRC 1082) and California Contractor’s License (B 904491), 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 waterproofing systems and construction engineering.
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.
Senior Consultant
David G. Shreve, P.E. is a mechanical and forensic engineering expert specializing in construction defects and engineering design disputes. With a career spanning forensic consulting, engineering design, design-build, and construction administration, he brings a multifaceted perspective to litigation work. His work centers on investigating design errors and omissions, assessing construction claims, and evaluating whether property damage or personal injury resulted from engineering failures. Mr. Shreve has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, higher education, hotel, and residential properties. His Bachelor of Science in Mechanical Engineering from the University of Michigan, along with CPD Certified in Plumbing Design (ASPE) and LEED Accredited Professional 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 HVAC, plumbing, and fire protection systems.
Chief Forensic Engineer
Ronald A Bova, PE, DFE is a forensic engineering expert specializing in structural failure analysis and construction defects. With a career spanning structural engineering, forensic investigation, and civil engineering liability, he brings a comprehensive framework to litigation work. His work centers on investigating structural failures, assessing construction defects, and evaluating whether civil engineering standards were met. Mr. Bova has been retained in numerous expert witness and consulting engagements across the United States, involving structural failure analysis and construction defect cases. His B.S. in Civil Engineering Technology, along with his Board Certified Diplomate 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 structural and civil engineering issues.
MD, FACEP
Dan Field, MD, FACEP is a forensic science and emergency medicine expert specializing in complex medical-legal cases involving injury mechanisms and cause of death analysis. With a career spanning forensic science, emergency medicine, and toxicology, he brings a multidisciplinary perspective to litigation work. His work centers on investigating mechanisms of injury, assessing causation in cases of blunt force trauma, and evaluating whether standards of care were met in emergency medical situations. 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 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 strangulation, gunshot wounds, and other forms of grave bodily injury.
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.
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.
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.
P.E.
Yehoshua (Josh) Gilad, P.E. is a mechanical engineering expert specializing in forensic investigations related to oil and gas facilities. With a career spanning conceptual development, pipe flow and hydraulic analysis, and equipment failure analysis, he brings a comprehensive engineering framework to litigation work. His work centers on investigating equipment failures, assessing pipeline integrity, and evaluating whether industry standards were met in complex engineering disputes. Mr. Gilad has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving oil and gas transportation, marine terminals, and pipeline systems. His Master of Science in Mechanical Engineering from the Technion Institute of Technology, along with his Professional Engineer licenses in NY and CA, 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 system failures and compliance with engineering standards.
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.
CPA, CFE, CFF, ABV
Jennifer A. Oyadomari, CPA, CFE, CFF, ABV is a forensic accounting expert specializing in litigation support services. With a career encompassing financial accounting, business valuation, and fraud investigation, she brings a multifaceted perspective to her litigation work. Her work centers on investigating financial discrepancies, assessing economic damages, and evaluating whether business valuations align with industry standards. Ms. Oyadomari has been retained in numerous expert witness and consulting engagements across Nevada, involving cases in the cannabis industry, shareholder disputes, and marital dissolutions. Her Master of Science in Accounting, along with certifications as a CPA, CFE, CFF, and ABV, 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 accounting and business valuation.
Certified Public Accountant
Michael Goldman, Certified Public Accountant, Certified Valuation Analyst, Certified Fraud Examiner, Certified in Financial Forensics, Master of Management is a forensic accounting and economic damages expert specializing in litigation support for fraud, insolvency, and business valuation cases. With a career spanning forensic reviews, corporate reorganizations, and bankruptcy advisory, he brings a strategic perspective to analyzing financial discrepancies and assessing economic damages. His work centers on investigating fraudulent activities, assessing economic damages, and evaluating whether financial misstatements have occurred. Mr. Goldman has been retained in numerous expert witness and consulting engagements across the United States, involving cases of fraud, shareholder disputes, and insolvency. His Master of Management in Finance and Accounting from Northwestern University, along with certifications as a Certified Public Accountant, Certified Valuation Analyst, Certified Fraud Examiner, and Certified in Financial Forensics, 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 financial fraud and economic damages.
Create a free account to access our AI-powered expert matching and save your searches for future cases.
Get Started FreeTrusted by law firms, insurers, and legal teams