Expert Witness Directory

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Engineering
GL

Gary L. Jackson

Senior Consulting and Forensic Engineer

Tyler, Texas42 years+ yrs7.0

Gary L. Jackson, PE, CSP, CFEI is a forensic engineering expert specializing in fire and explosion investigations. With a career spanning engineering analysis, safety protocols, and accident reconstruction, he brings a multidisciplinary framework to litigation work. His work centers on investigating fire origins, assessing explosion causes, and evaluating whether safety standards were met. Mr. Jackson has been retained in numerous expert witness and consulting engagements across Texas and Louisiana, involving industrial accidents, product safety, and construction defects. His Bachelor of Science in Mechanical Engineering from Texas A&M University, along with certifications such as Certified Safety Professional and Certified Fire & Explosion Investigator, 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 and explosion incidents.

SafetyForensic EngineeringMechanical Engineering+33
Electrical Engineering
EH

Eric H Welch

Electrical and Software Engineer

Berkeley, CA50 years+ yrs7.0

Eric H Welch is an Electrical and Software Engineering expert specializing in patent infringement and intellectual property litigation. With a career spanning electrical engineering, software development, and systems engineering, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating patent claims, assessing technology standards, and evaluating whether engineering practices align with industry norms. Mr. Welch has been retained in numerous expert witness and consulting engagements across the United States, involving cases in consumer electronics, mobile devices, and data communication technologies. His BA in Mathematics from UC Berkeley, along with his membership in the IEEE as a Senior Member and participation in the Apple Made for iPhone (MFi) Developer program, 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 USB technologies, Bluetooth devices, and embedded systems.

Software Engineering
Civil Engineering
CS

Clark Stoner, PE, PLS

Civil Engineering and Land Surveying Expert

Sonoma, CA25 years+ yrs7.0

Clark Stoner, PE, PLS is a civil engineering and land surveying expert specializing in stormwater management and wastewater systems litigation. With a career encompassing diverse aspects of stormwater drainage, sanitary sewer systems, and land use change detection, he brings a comprehensive understanding of infrastructure design and regulatory compliance to his litigation work. His work centers on investigating stormwater flooding origins, assessing watershed impacts, and evaluating whether civil engineering improvement plans meet industry standards. Mr. Stoner has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving stormwater and wastewater system disputes, land use changes, and FEMA floodplain issues. His BS in Civil Engineering from San Diego State University, along with his PE and PLS 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 stormwater and wastewater infrastructure.

Land Surveying
Traffic Engineering
SK

Scott Kelley

Expert Witness

Peoria, Arizona22 years+ yrs7.0

Scott Kelley, PE, PTOE is a traffic engineering expert specializing in traffic crash litigation. With a career spanning traffic safety, pedestrian safety, and bicyclist safety, he brings a comprehensive understanding of transportation systems and their impact on public safety to his litigation work. His work centers on investigating traffic incidents, assessing roadway and signal design, and evaluating whether transportation planning meets safety standards. Mr. Kelley has been retained in numerous expert witness and consulting engagements across the United States, involving traffic safety, roadway design, and tort liability cases. His B.S. in Civil Engineering from Arizona State University, along with his Professional Engineer (PE) licenses in multiple states and Professional Traffic Operations Engineer (PTOE) 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 traffic control and roadway safety.

Transportation
Metallurgy
NK

Nikhil K Kar, Ph.D., P.E.

Expert Witness

Anaheim, California10 years+ yrs7.0

Nikhil K Kar, Ph.D., P.E. is a metallurgy and mechanical engineering expert specializing in failure analysis and materials behavior. With a decade of experience in mechanical and materials science, he brings a multidisciplinary perspective to litigation work. His work centers on investigating mechanical failures, assessing contamination impacts, and evaluating whether equipment function meets industry standards. Mr. Kar has been retained in numerous expert witness and consulting engagements across the United States, involving cases in materials science and mechanical engineering. His Ph.D. in Mechanical Engineering from the University of Southern California, along with his P.E. 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 mechanical and materials failures.

Mechanical Engineering
Chemical Engineering
CS

Chris Scott, PhD

Expert Witness

Weston, MA25 years+ yrs7.0

Chris Scott, PhD is a Chemical Engineering and Failure Analysis expert specializing in polymer, plastic, and rubber materials. With a career spanning material science, design, and manufacturing, he brings a multidisciplinary perspective to litigation work. His work centers on investigating material defects, assessing failure mechanisms, and evaluating whether industry standards were met. Mr. Scott has been retained in numerous expert witness and consulting engagements across the United States, involving automotive, medical device, and aerospace industries. His PhD in Chemical Engineering, along with his MS in Polymer Science, 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 material interactions.

Failure Analysis
Mechanical Engineering
JW

James W. Laird

PE, CFI, CFEI, CVFI

Bellingham, WA15 years+ yrs7.0

JAMES W. LAIRD, PE, CFI, CFEI, CVFI is a forensic engineering expert specializing in mechanical failures and fire investigations. With a career encompassing diverse engineering disciplines, he brings a multidisciplinary approach to litigation work. His work centers on investigating mechanical system failures, assessing fire origins and causes, and evaluating whether industry standards were met. Mr. Laird has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to vehicle fires, heavy equipment failures, and product liability. His Master of Engineering in Mechanical Engineering, along with certifications such as Certified Fire Investigator and Certified Vehicle Fire Investigator, 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 fire-related incidents.

FireMotorcycle crash causation analysisHeavy equipment accident, failures and fire+17
Maritime
MF

Matthew Fenton, B.Sc., CEng, FIMarEST, MNI, NAMS-CMS, Captain USN (Ret.)

Marine Engineering Expert Witness

Vallejo, CA43 years+ yrs7.0

Matthew Fenton, B.Sc., CEng, FIMarEST, MNI, NAMS-CMS, Captain USN (Ret.) is a marine engineering expert specializing in maritime litigation. With a career spanning marine engineering casualties, shipbuilding, and marine insurance, he brings a comprehensive understanding of complex maritime operations to his litigation work. His work centers on investigating marine engineering casualties, assessing hull and machinery damage, and evaluating whether industry standards were met in shipbuilding and repair. Mr. Fenton has been retained in numerous expert witness and consulting engagements globally, involving marine engineering casualties, personal injury, and offshore oil and gas cases. His Bachelor of Science from California Maritime Academy, along with an Unlimited U.S. Coast Guard Chief 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 marine engineering and maritime operations.

Engineering
Construction
PA

Philip A Tenorio

Expert Witness

Edgewood, New Mexico30 years+ yrs6.9

Philip A Tenorio, Executive MBA, LEED AP is a construction and construction engineering expert specializing in construction litigation. With a career encompassing construction failures, investigations, and management, he brings a comprehensive framework to litigation work. His work centers on investigating construction failures, assessing construction materials, and evaluating whether construction scheduling meets industry standards. Mr. Tenorio has been retained in numerous expert witness and consulting engagements across the United States, involving construction failures, construction management, and water harvesting systems. His Executive Masters of Business Administration in Construction Engineering, along with his LEED AP 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 responsibility in disputes involving construction operations.

Construction Engineering
Mechanical Engineering
DH

Dwight Hinkel

PE

Bismarck, ND6.9

Dwight Hinkel specializes in engineering with extensive experience in the design and development of complex machinery and vehicles, including armored military vehicles such as the Bradley Fighting Vehicle. As the founder of Applied Engineering, Inc., he oversees the design of products and tooling for clients in agriculture and manufacturing, including John Deere and Caterpillar. His expertise encompasses cause of loss analysis, damage assessment, and repair scope for various mechanical systems. Hinkel holds multiple state professional engineering licenses, enhancing his qualifications in forensic engineering matters.

Chemistry & Chemicals
MU

Martin U Schlegel, Dr. rer.-nat. (Equivalent to PhD)

Principal Consulting

Warrendale, PA15 years+ yrs6.9

Martin U Schlegel, Dr. rer.-nat. is a Chemistry & Chemicals expert specializing in failure analysis. With a career encompassing sports technology, material fatigue, and protective materials, he brings a multidisciplinary approach to litigation work. His work centers on investigating construction defects, assessing material failures, and evaluating whether industry standards have been met. Mr. Schlegel has been retained in numerous expert witness and consulting engagements across Europe and Australia, involving sports surfaces, synthetic turf, and recreational coatings. His Dr. rer.-nat. in Chemistry, along with his Dipl.-Chem., 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 technical textiles and surface coatings.

Failure AnalysisSports TechnologyAdvanced Materials+5
Aviation & Aerospace
MR

Michael R. Henderson

Expert Witness

Danville, CA25 years+ yrs6.9

Michael R. Henderson, MS, MBA, BS is an Aviation & Aerospace expert specializing in aircraft accident and incident litigation. With a career spanning pilot training, aircraft maintenance, and crash forensics, he brings a multidisciplinary framework to his litigation work. His work centers on investigating aircraft accidents, assessing aviation safety protocols, and evaluating whether maintenance standards were met. Mr. Henderson has been retained in numerous expert witness and consulting engagements across the United States, involving aircraft crashes, aviation safety, and general aviation disputes. His MS in Physics, along with an MBA from Harvard, 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 aviation safety and aircraft operations.

Engineering
Traffic Engineering
JC

James C. Jeffery III, PE, PTOE

Expert Witness

Los Gatos, California35+ years+ yrs6.9

James C. Jeffery III, PE, PTOE is a traffic engineering expert specializing in engineering-related litigation. With a career spanning over three decades, he brings a seasoned perspective to his litigation work. His work centers on investigating traffic patterns, assessing engineering compliance, and evaluating whether safety standards have been met. Mr. Jeffery has been retained in numerous expert witness and consulting engagements across California, involving traffic engineering and civil engineering cases. His BS in Engineering Management from San Jose State College, along with certifications as a Traffic Engineer (CA Reg. #1179) and Civil Engineer (CA Lic. #36644), 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 traffic engineering issues.

Engineering
Electrical Engineering
JE

John E Averrett, PE

Expert Witness

Montgomery, AL25 years+ yrs6.9

John E Averrett, PE is an Electrical Engineering expert specializing in electrocution, lightning, and utility-related litigation. With a career spanning electrical safety, building analysis, and harmonic mitigation, he brings a comprehensive engineering framework to litigation work. His work centers on investigating electrical failures, assessing safety compliance, and evaluating whether industry standards were met. Mr. Averrett has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electrical distribution, swimming pools, and water treatment plants. His BSEE from Auburn University, along with his status as a Licensed Professional Engineer in 20 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 electrical engineering and safety standards.

Electricity
Software Engineering
JG

Joshua Goshorn

Expert Witness

Carmel, California25 years+ yrs6.8

Joshua Goshorn is a Software and Electrical Engineering expert specializing in infringement and prior art litigation. With a career spanning software development, digital communications, and embedded systems, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating source code integrity, assessing digital signal processing methods, and evaluating whether wireless communication standards have been met. Mr. Goshorn has been retained in over 100 expert witness and consulting engagements across the United States, involving cases related to video streaming, set top boxes, and mobile applications. His M.S. in Electrical Engineering from UCSD, along with his candidacy for a Philosophy degree in Electrical 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 infringement in disputes involving computer networks and digital communications.

Electrical Engineering
Structural Engineering
SV

Stephen V. DeSimone, PE

Chairman and CEO

New York, New York6.8

Stephen V. DeSimone, PE is a structural engineering expert specializing in forensic engineering and expert witness services. With a career encompassing leadership in engineering innovation and complex project management, he brings a strategic perspective to litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating the impact of design decisions on building performance. Mr. DeSimone has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile structural engineering cases and complex building projects. His MS in Civil Engineering from Columbia University, along with his LEED Accredited Professional 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 structural integrity and engineering practices.

Façade ConsultingBuilding Envelope ConsultingSeismic Engineering+3
Petroleum Engineering
HE

Harold E. McGowen, III

Expert Witness

Bullard, Texas40 years+ yrs6.8

Harold E. McGowen, III, Registered Professional Engineer is a Petroleum Engineering expert specializing in oil and gas litigation. With a career spanning four decades in petroleum engineering and oil and gas operations, he brings a seasoned perspective to his litigation work. His work centers on investigating engineering failures, assessing compliance with industry standards, and evaluating whether operational practices meet regulatory requirements. Mr. McGowen has been retained in numerous expert witness and consulting engagements across the United States, involving complex oil and gas disputes. His Bachelor of Science in Petroleum Engineering from Texas A&M University, along with his Registered Professional Engineer 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 petroleum engineering and oil and gas operations.

Oil and Gas
Mechanical Engineering
DE

Douglas E Bell

Expert Witness

Austin, Texas55 years+ yrs6.8

Douglas E Bell is a Mechanical and Civil Engineering expert specializing in forensic engineering. With a career spanning diverse engineering disciplines, he brings a multifaceted perspective to litigation work. His work centers on investigating mechanical failures, assessing civil infrastructure integrity, and evaluating whether engineering standards were met. Mr. Bell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to water treatment, municipal facilities, and construction management. His BS in Mechanical Engineering from the University of Texas - Austin 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 engineering and infrastructure projects.

Civil Engineering
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