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Expert Witness Directory

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Browse our verified directory of expert witnesses spanning medicine, engineering, finance, and dozens of specialized fields.

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Mechanical Engineering
JM

Jacob Morrise, MEng

Expert Forensic Mechanical Engineer

Lehi, Utah17 years+ yrs★ 6.3

Jacob Morrise, MEng is a forensic mechanical engineering expert specializing in intellectual property litigation. With a career spanning mechanical design, patent analysis, and failure investigation, he brings a technical and analytical framework to litigation work. His work centers on investigating mechanical failures, assessing patent infringements, and evaluating whether engineering standards were met. Mr. Morrise has been retained in numerous expert witness and consulting engagements across the United States, involving intellectual property disputes and mechanical engineering cases. His Masters in Mechanical Engineering, along with his extensive experience, 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 mechanical systems.

Intellectual Property
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Construction Defects
PO

Paul Overton

Construction Defects Expert

Doral, Florida30 years+ yrs★ 6.2

Paul Overton is a construction defects expert specializing in construction engineering litigation. With a career spanning three decades in construction defect analysis and engineering, he brings a robust technical framework to his litigation work. His work centers on investigating structural failures, assessing compliance with building codes, and evaluating whether construction practices meet industry standards. Mr. Overton has been retained in numerous expert witness and consulting engagements across Florida, involving residential and commercial construction defect cases. His Florida-licensed Certified General Contractor and licensed roofing contractor 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 responsibility in disputes involving construction defects.

Construction Engineering
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Accident Reconstruction
AR

Andrew Rich, BSME, ACTAR, ASE

Expert Witness

Fairlawn, OH25 years+ yrs★ 6.2

Andrew Rich, BSME, ACTAR, ASE is an accident reconstruction expert specializing in mechanical engineering litigation. With a career encompassing accident analysis and mechanical systems evaluation, he brings a technical and analytical framework to litigation work. His work centers on investigating collision dynamics, assessing mechanical failures, and evaluating whether engineering standards were met. Mr. Rich has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving vehicular accidents and mechanical system failures. His degree in Mechanical Engineering from the New Jersey Institute of Technology, along with his ACTAR accreditation, 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 accident reconstruction.

Mechanical Engineering
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Analytical Chemistry
DA

Dr. Antoine Chamsi

Vice President, Materials Chemistry

Emeryville, CA★ 6.1

Dr. Antoine Chamsi, Ph.D. is an Analytical Chemistry and Forensic Engineering expert specializing in chemical failure analysis and forensic investigations. With a career encompassing roles in academia, research, and industry leadership, he brings a multifaceted perspective to litigation work. His work centers on investigating chemical properties, assessing material failures, and evaluating whether industry standards were met. Dr. Chamsi has been retained in numerous expert witness and consulting engagements across California, involving cases such as personal injury, product liability, and construction defects. His Ph.D. in Analytical Chemistry, along with Diplomat Status from the American Board of Forensic Engineering and Technology, 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 chemical and material failures.

Forensic Engineering
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Engineering
MJ

Morris J. Mach, CSP

Expert Witness

Bastrop, Texas20 years+ yrs★ 6.1

Morris J. Mach, CSP is an engineering and safety expert specializing in power line safety and related litigation. With a career spanning power line operations, high voltage safety, and accident reconstruction, he brings a comprehensive framework to litigation work involving electrical incidents. His work centers on investigating power line accidents, assessing safety compliance, and evaluating whether industry standards were met. Mr. Mach has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to power line safety, lineman accidents, and electrical contacts. His MS from West Virginia University, along with his Certificate Safety Prof. from the Board of Certified Safety Professionals, 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 accidents and safety compliance.

Safety
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Printing
RS

Rustom S. Kanga, Ph.D.

Expert Consultant

Kennesaw, GA19 years+ yrs★ 6.1

Rustom S. Kanga, Ph.D. is a printing and chemical engineering expert specializing in polymer chemistry and UV cure technologies litigation. With a career spanning polymer chemistry, photopolymers, and graphic arts, he brings a multidisciplinary scientific framework to litigation work. His work centers on investigating polymer behaviors, assessing coating technologies, and evaluating whether industry standards in printing processes have been met. Mr. Kanga has been retained in numerous expert witness and consulting engagements across North America, involving cases in the printing and chemical engineering industries. His Ph.D. in Polymer Chemistry from the University of Florida, along with an MBA from Georgia State University and a B.Sc. (Tech) from UDCT, Bombay 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 advanced coating technologies and printing processes.

Chemical Engineering
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Structural Engineering
TL

Tara L Pase

Expert Witness

Tracys Landing, MD21 years+ yrs★ 6.1

Tara L Pase, Ph.D., MSCE, BSCE is a structural and civil engineering expert specializing in construction defect litigation. With a career encompassing diverse engineering disciplines, she brings a multifaceted analytical framework to her litigation work. Her work centers on investigating construction defects, assessing compliance with building codes, and evaluating whether structural failures have occurred. Ms. Pase has been retained in numerous expert witness and consulting engagements across the northeastern United States, involving construction defect, seismic activity, and stormwater management cases. Her Ph.D. in Civil Engineering, along with her Registered Professional Engineer licenses in New York, Maryland, Virginia, and New Jersey, 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 structural integrity and construction practices.

Civil Engineering
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Construction
JE

James E Wendle

Seasoned Engineering and Construction Professional

West Chester, Ohio★ 6.0

40-year experience as CEO President Project Manager, Construction Manager and Estimator. Experience in rebutting experts in construction related cases. AAS and BS in Architectural Engineering Technology an BS in Construction Management. Certified Project Manager from Xavier University. Leader in Engineering and Constriction organizations both private and public entities. OSHA 30 hour Certified. Practical Engineering and Construction experience.

Engineering
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Construction
SY

Steven Yetemian

Construction Cost and Schedule Expert Witness

Glendora, California19 years+ yrs★ 6.0

Steven Yetemian, Certified Professional Estimator is a construction cost and schedule expert specializing in contract disputes and construction defect analysis. With a career encompassing construction engineering, cost estimation, and project management, he brings a multifaceted perspective to litigation work. His work centers on investigating cost overruns and delays, assessing change orders, and evaluating whether quality control standards were met. Mr. Yetemian has been retained in numerous expert witness and consulting engagements across the United States, involving commercial and residential construction disputes. His Masters in Civil Engineering - Construction Management, along with his Certified Professional Estimator designation with the American Society of Professional Estimators, 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 cost and scheduling issues.

Construction Engineering
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Chemical Process Engineering
TL

Terry Livingston, P.E.

P.E.

Mobile, AL★ 6.0

Terry Livingston, P.E. is a chemical process engineering expert specializing in project management and process simulation within the refining, chemical, power, pharmaceutical, pulp, and petrochemical industries. With a career encompassing roles in engineering management, process optimization, and technical project execution, he brings a strategic perspective to litigation work. His work centers on investigating process efficiencies, assessing project management practices, and evaluating whether industry standards have been met. Mr. Livingston has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the refining, chemical, and pharmaceutical sectors. His M.S. in Chemical Engineering from Texas A&M University, along with his Professional Engineer 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 chemical process engineering and project management practices.

Project ManagementProcess SimulationCapital Project Execution+1
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Automotive Engineering
RD

Roger D Berry

Automotive Powertrain Systems Engineering Expert

Farmington Hills, Michigan40 years+ yrs★ 5.9

Roger D Berry is an automotive powertrain systems engineering expert specializing in compliance and regulatory issues within the automotive sector. With a career spanning automotive engineering, software engineering, and control systems, he brings a multifaceted perspective to litigation work. His work centers on investigating compliance with emissions standards, assessing safety protocols, and evaluating whether regulatory requirements have been met. Mr. Berry has been retained in a select number of expert witness and consulting engagements across the automotive industry, involving cases related to emissions, safety, and technology compliance. His degree in Mechanical Engineering from Oregon State University reinforces his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and regulatory adherence in disputes involving automotive powertrain systems.

Software Engineering
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Information Technology
AM

Adam M Alburakeh

Software Quality Testing & Expert Witness

Totowa, New Jersey7+ years+ yrs★ 5.9

Adam M Alburakeh is a Software Quality Testing & Expert Witness specializing in software defects and failure analysis litigation. With a career encompassing software testing, quality assurance, and test automation, he brings a comprehensive understanding of the intricacies involved in software engineering disputes. His work centers on investigating software defects, assessing quality assurance processes, and evaluating whether testing frameworks meet industry standards. Mr. Alburakeh has been retained in numerous expert witness and consulting engagements across the information technology sector, involving cases related to software engineering and quality assurance. His Bachelor of Software Engineering from Philadelphia University of Jordan reinforces 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 software testing and quality assurance.

Software Engineering
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Chemistry & Chemicals
JC

John C Fetzer, PhD

Expert Witness

Hercules, California24 years+ yrs★ 5.9

John C Fetzer, PhD is a Chemistry & Chemicals expert specializing in hydrocarbon and petroleum-related litigation. With a career spanning analytical chemistry, chromatography, and spectrometry, he brings a robust scientific framework to litigation work. His work centers on investigating hydrocarbon compositions, assessing chemical processes, and evaluating whether industry standards in petroleum engineering have been met. Mr. Fetzer has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to gasoline, diesel, oil, wax, and asphalt analysis. His Doctor of Philosophy in Analytical Chemistry, along with his designation as a Fellow of the Royal Society of Chemistry, 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 chemical compositions and processes.

Petroleum Engineering
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Software Engineering
LA

Leon Allan Kappelman, PhD

Expert Witness

Dallas, Texas35+ years+ yrs★ 5.8

Leon Allan Kappelman, PhD is a Software Engineering and Human Factors expert specializing in software disputes and intellectual property litigation. With a career spanning software project management, software development, and quality assurance, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating software defects, assessing project management methodologies, and evaluating whether software implementations meet contractual obligations. Mr. Kappelman has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to software intellectual property, ERP systems, and SaaS disputes. His PhD in Business Administration from Georgia State University, along with his MBIS and BA degrees, 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 software quality and project management.

Human Factors
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Failure Analysis
NM

Newton Maier Borelli

Civil Engineer and Business Administrator - Technical Director

★ 5.8

Mr. Borelli has conceived the company’s philosophy and holds the technical responsibility for BRZ-Experts. He graduated in Civil Engineering from Universidade Mackenzie and obtained a postgraduate degree in business administration. Over the past 36 years, he has engaged in the activity of engineering consulting, having acted in complex, large losses that occurred in hydroelectric power plants, bridges, tunnels, highways, geotechnical accidents, fires in buildings, and damage caused by windstorms, flood and inundation, working in the investigation and establishment of the cause and the determination of the losses. He has built a comprehensive experience in technical advice in due diligence, legal and arbitration proceedings.

Civil EngineeringAccident Reconstruction
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Mechanical Engineering
JJ

John J. Titus, P.E.

★ 5.8

Specializing in fire protection and life safety engineering, this expert conducts fire-safety risk assessments, fire hazard analyses, and fire protection system designs. With extensive experience in fire and mechanical systems failure analyses and investigations into fire origin and cause, he provides litigation support related to cause of loss and damage assessment. His background includes managing fire protection research projects and developing engineering solutions, alongside teaching fire protection engineering at the university level. He holds multi-state professional engineering licenses.

Structural EngineeringFire InvestigationExpert Witness
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Software Engineering
PB

Patrick Bounaix

Software Expert Witness - SaaS & AI

NYC / Long Island, New York20 years+ yrs★ 5.7

Patrick Bounaix is a Software Engineering expert specializing in software architecture, SaaS platforms, and AI & ML systems. With a career encompassing software development, technical causation analysis, and system failure investigations, he brings a robust analytical framework to litigation work. His work centers on investigating technical causation, assessing standards of care, and evaluating whether system failures align with industry norms. Mr. Bounaix has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to software architecture, SaaS platforms, and AI & ML systems. His BS in Computer Science from the New York Institute of Technology reinforces 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 software engineering and information technology.

Information Technology
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Structural Engineering
WR

William R. O’Donnell, PE, FRSE

Managing Principal, Structural

★ 5.7

William R. O’Donnell, PE, FRSE is a structural engineering expert specializing in concept design and large-scale renovations. With a career spanning collaborations with renowned architects and diverse project types, he brings a multidisciplinary perspective to litigation work. His work centers on investigating structural integrity, assessing design compliance, and evaluating whether construction practices meet industry standards. Mr. O’Donnell has been retained in numerous expert witness and consulting engagements across the United States and the Caribbean, involving hospitality design, large-scale renovations, and mixed-use developments. His BS in Civil Engineering from the University of Miami, along with certification by the Structural Engineering Certification Board, 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 engineering and design compliance.

Concept DesignProject ManagementLarge-scale Renovations+1
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Legal

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Get the latest updates on new features and legal tech insights.

© 2026 Witnessly. All rights reserved.

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