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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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Showing 73–90 of 318 experts

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Civil Engineering
JE

John E. Poole III, P.E.

Construction, Engineering, Forensic Expert

Philadelphia, PA20 years+ yrs★ 8.8

John E. Poole III, P.E. is a construction and engineering expert specializing in forensic engineering and construction management litigation. With a career spanning civil engineering, project management, and cost estimation, he brings a multifaceted perspective to litigation work. His work centers on investigating construction defects, assessing project delays, and evaluating whether industry standards were met. Mr. Poole has been retained in numerous expert witness and consulting engagements across Pennsylvania, New York, and New Jersey, involving commercial, residential, government, and institutional projects. His M.S. in Civil Engineering/Construction Management from the University of Colorado, Boulder, along with his Professional Engineer licenses in Pennsylvania, New York, Maryland, and Florida, 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 management and forensic engineering.

ConstructionConstruction ManagementForensic Engineering+4
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Building Inspection
JE

Jeffrey E Bartrem, C.B.I.

Building Code and Construction Expert

Williamston, Michigan50+ years+ yrs★ 8.7

Jeffrey E Bartrem, C.B.I. is a Building Code and Construction Expert specializing in premises liability and property litigation. With a career spanning building inspection, construction oversight, and code compliance, he brings a multifaceted perspective to litigation work. His work centers on investigating building code adherence, assessing construction practices, and evaluating whether negligence contributed to structural failures. Mr. Bartrem has been retained in numerous expert witness and consulting engagements across Michigan, involving wrongful death, residential and commercial structures, and fire-related cases. His BFA from Michigan State University, along with certifications such as Certified Building Inspector and Registered Building Official, 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 building code violations and construction defects.

ConstructionPremises LiabilityProperty Litigation+16
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Products Liability
MR

Meyer R. Rosen

Forensic Litigation Expert

Bonita Springs, FLOver 40 years+ yrs★ 8.7

Meyer R. Rosen, CPC, CChE, E-FAIC, FRSC, DABFET is a forensic litigation expert specializing in products liability, personal injury, and intellectual property cases. With a career encompassing chemical engineering, forensic analysis, and intellectual property, he brings a multifaceted perspective to litigation work. His work centers on investigating fires and explosions, assessing hazardous chemical exposures, and evaluating whether safety standards in product design and formulation were met. Mr. Rosen has been retained in numerous expert witness and consulting engagements across both Federal and State jurisdictions, involving cases related to consumer and industrial products, chemical burns, and toxic exposures. His M.S. in Chemical Engineering from the Polytechnic Institute of Brooklyn, along with certifications such as Certified Professional Chemist and Certified Fire & Explosion Investigator (Emeritus), 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 technology and safety compliance.

Chemical TechnologyAccident ReconstructionFires & Explosions+5
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Mechanical Engineering
MS

Mike Simard

PE, PMP, CEP

Berwyn, PA30+ years+ yrs★ 8.7

Mike Simard, PE, PMP, CEP is a mechanical engineering expert specializing in equipment failure, design defects, and industrial safety matters. With a career spanning industrial machinery, process design, and manufacturing systems, he brings a technical leadership framework to litigation work. His work centers on investigating mechanical failures, assessing design defects, and evaluating whether industrial safety standards were met. Mr. Simard has been retained in numerous expert witness and consulting engagements across the United States, involving industrial machinery performance, manufacturing systems, and process design disputes. His Master of Science in Mechanical Engineering, along with certifications as a Certified Project Management Professional (PMP) and Certified Estimating Professional (CEP), 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 systems and industrial safety.

DesignProcess EngineeringIndustrial Machinery+21
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Construction Defects
SC

Scott Cohen

Owner and President

Chatsworth, CA30 years+ yrs★ 8.7

Scott Cohen, Certified Building Professional is a construction defects expert specializing in swimming pools, landscaping, and hardscape issues. With a career encompassing landscape design, pool construction, and forensic evaluation, he brings a multidisciplinary perspective to litigation work. His work centers on investigating construction defects, assessing compliance with industry standards, and evaluating whether design or installation errors contributed to failures. Mr. Cohen has been retained in numerous expert witness and consulting engagements across California, involving cases related to swimming pools, spas, and landscape design. His Ceramics Major in Ceramics, along with his Certified Building Professional 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 construction defects and safety compliance.

Landscape DesignSwimming PoolsLandscaping+2
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Biomechanics and Medical Devices
SM

Susan M. Bowley, Ph.D.

Owner, President & CEO

Mansfield, CT37 years+ yrs★ 8.7

Susan M. Bowley, Ph.D. is a Biomechanics and Medical Devices expert specializing in injury causation biomechanics and personal injury litigation. With a career spanning mechanical and biomedical engineering, consumer product liability, and medical device regulatory affairs, she brings a multidisciplinary framework to her litigation work. Her work centers on investigating injury mechanisms, assessing product compliance, and evaluating whether engineering standards were met. Dr. Bowley has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to consumer products, medical devices, and patent infringement. Her Ph.D. in Biomedical Engineering, along with certifications such as Certified English XL VIT Tribometer Operator and BOSCH CDR Technician & Data Analyst Certification, 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 biomechanics and medical devices.

Mechanical and Biomedical EngineeringInjury Causation Biomechanics & Personal InjuryConsumer Product Liability+10
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Fire and Safety
PA

Phillip A. Keena

Practice Leader, Fire Protection

Lenexa, KS33 years+ yrs★ 8.7

Phillip A. Keena, IAAI-CFI, BsFP SET is a fire protection and safety expert specializing in fire and explosion investigations. With a career encompassing fire protection engineering, code consulting, and failure analysis, he brings a comprehensive understanding of fire safety systems and their compliance with industry standards to his litigation work. His work centers on investigating fire origins and causes, assessing compliance with fire safety codes, and evaluating whether fire protection systems functioned as intended. Mr. Keena has been retained in numerous expert witness and consulting engagements across the Midwest, involving residential and commercial fire cases, fire suppression systems, and fire alarm systems. His B.S. in Fire Protection and Safety Engineering Technology, along with certifications such as Certified Fire Investigator through the IAAI and 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 fire protection systems and safety compliance.

Fire suppression systemsFire alarm systemsLife safety systems+5
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Inspection
BR

Bud Rozell

Professional Real Estate Inspector

Dallas, TX34 years+ yrs★ 8.7

Bud Rozell, ACI, TREC Inspector License #4088, Certified Applicator #561975 is a Professional Real Estate Inspection expert specializing in home and commercial property inspections, including wood-destroying insect assessments. With a career spanning inspection, new construction, and standard of care evaluations, he brings a comprehensive framework to litigation involving property disputes. His work centers on investigating inspection compliance, assessing construction standards, and evaluating whether industry practices were adhered to. Mr. Rozell has been retained in numerous expert witness and consulting engagements throughout North Texas, involving real estate, home inspections, builder client disputes, and insurance claims. His Texas Real Estate Property Inspection Certification from Texas Tech University, along with ACI Certification and TREC Inspector 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 standard of care in disputes involving home inspection and real estate practices.

New ConstructionStandard Of CarePre-Pour Inspections+17
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Civil Engineering
MJ

Michael J. Sheleheda, P.E.

Vice President and Corporate Civil/Site Practice Lead

Monroeville, PA21 years+ yrs★ 8.7

Michael J. Sheleheda, P.E. is a geotechnical and civil engineering expert specializing in foundation design and construction, earthwork, and stormwater management litigation. With a career encompassing diverse engineering projects across commercial, residential, and industrial sectors, he brings a comprehensive understanding of engineering principles to his litigation work. His work centers on investigating foundation failures, assessing stormwater management compliance, and evaluating whether construction practices meet industry standards. Mr. Sheleheda has been retained in numerous expert witness and consulting engagements across the United States, involving real estate, natural gas, manufacturing, and mining sectors. His M.S. in Civil Engineering from the University of Michigan, 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 geotechnical failures and construction defects.

Geotechnical EngineeringADA AccessibilityDue Diligence/Project Feasibility+14
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Civil Engineering
HA

Hesham Ali, Ph.D., PE

President-Senior Engineer

Sunrise, Florida36 years+ yrs★ 8.7

Hesham Ali, Ph.D., PE, CPM is a civil engineering expert specializing in infrastructure design, construction management, and geotechnical engineering litigation. With a career spanning artificial intelligence, robotics, and pavement engineering, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating construction defects, assessing compliance with engineering standards, and evaluating whether proper construction management protocols were followed. Mr. Ali has been retained in numerous expert witness and consulting engagements across Florida, involving cases related to infrastructure design, construction management, and geotechnical engineering. His Ph.D. in Engineering from The City University of New York, along with certifications such as Certified Public Manager (CPM) and Licensed Professional Engineer in Florida, 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 road construction, pavement engineering, and construction quality assurance.

Construction EngineeringArtificial IntelligenceRobotics+8
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Product failure analysis involving water loss, fire & explosions, accidents, & forensic investigations.
DT

Dr. Tara Parhizkar, Ph.D., P.E.

Expert Witness

Los Angeles, CA20+ years+ yrs★ 8.7

Tarannom Parhizkar, Ph.D., P.E. is an Energy Systems Engineering expert specializing in fault detection, diagnosis, and prognostic health monitoring of complex systems. With a career encompassing advanced research in risk assessment and system optimization, she brings a robust analytical framework to litigation work. Her work centers on investigating fault detection methodologies, assessing risk management strategies, and evaluating system optimization techniques. Ms. Parhizkar has been retained in numerous expert witness and consulting engagements across the United States, involving energy infrastructure and complex system failures. Her Ph.D. in Energy Systems Engineering, along with her Licensed Professional Engineer designation, 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 energy systems and infrastructure resilience.

Material failures due to abuse/misuse, application, design, environment, fabrication, installation, maintenance, manufacturing, & processing.Fracture analysis of Metals, Plastics & GlassCorrosion & Degradation+29
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Aquatics Safety
MA

Matthew A. Reynolds

P.E.

Highlands Ranch, CO25 years+ yrs★ 8.7

Matthew A. Reynolds, P.E. is an aquatics safety and accident reconstruction expert specializing in drownings and other injuries related to aquatics. With a career encompassing swimming pool design, aquatic codes, and standard of care, he brings a comprehensive understanding of the intricacies involved in aquatic-related incidents. His work centers on investigating drowning incidents, assessing swimming pool equipment failures, and evaluating whether aquatic facilities adhere to industry standards. Mr. Reynolds has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to swimming pools, spas, aquatic amusement rides, and natural bodies of water. His Bachelor of Science in Civil Engineering from Loyola Marymount University, along with certifications such as Aquatic Facility Operator and Certified Pool/Spa Operator, 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 aquatic safety and equipment design.

ConstructionDrownings and other injuries related to aquaticsSwimming pool, spa, and related equipment design+1
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Traffic Engineering
JS

Jeffrey Sanchez

PE, PTOE

Mesa, AZ20+ years+ yrs★ 8.7

Jeffrey Sanchez, PE, PTOE is a traffic engineering expert specializing in forensic investigations related to traffic control and roadway design. With a career spanning traffic operations, highway construction project management, and forensic analysis, he brings a multifaceted perspective to litigation work. His work centers on investigating traffic signal timing, assessing roadway distress and failure, and evaluating whether ADA compliance standards have been met. Mr. Sanchez has been retained in numerous expert witness and consulting engagements across the United States, involving traffic engineering, roadway design, and construction cases. His Bachelor of Science in Civil Engineering from the United States Coast Guard Academy, along with his 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 responsibility in disputes involving traffic control and roadway design.

Traffic Signal TimingRoadway Design and ConstructionTemporary and Permanent Traffic Control+19
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Building Inspection and Construction Defects
JD

Justin D. Watts

Certified Building Inspector • Expert Witness • Consultant

Rancho Santa Margarita, CA26 years+ yrs★ 8.7

Justin D. Watts, ICC Residential and Commercial Building Inspector is a building inspection and construction defects expert specializing in home inspector standards of care in real estate transactions. With a career spanning real estate home inspections, code enforcement, and municipal building compliance, he brings a comprehensive framework to litigation work involving construction defect analysis. His work centers on investigating construction defects, assessing building code compliance, and evaluating whether inspection standards of care have been met. Mr. Watts has been retained in numerous expert witness and consulting engagements across California, involving real estate transactions, construction defect cases, and code compliance disputes. His Bachelor’s of Science in 1999, along with certifications such as California Commercial Building Inspector and California Residential Building Inspector, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standards of care in disputes involving building inspection and construction defects.

Real Estate Home InspectionsUniform Building Code InspectionsConstruction Defect Investigations+1
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Mechanical Engineering
BT

Brian Tenace

Mechanical Engineer

Irmo, SC24 years+ yrs★ 8.7

Brian Tenace, MSME, PE, FM PC® is a mechanical engineering expert specializing in products liability and industrial accident investigation. With a career encompassing mechanical design, safety analysis, and property loss assessment, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating equipment failures, assessing construction defects, and evaluating whether safety standards were met in machinery-related incidents. Mr. Tenace has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to aerial lifts, construction defects, and fire and explosion analysis. His Master of Science in Mechanical Engineering, along with the FenestrationMaster® 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 heavy machinery and equipment damage.

Products LiabilityAerial LiftsConstruction Defects+5
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Architecture
DC

Dan C. Weekes

AIA, NCARB, BECxP, CxA+BE

Fishers, IN25 years+ yrs★ 8.7

Dan C. Weekes, AIA, NCARB, BECxP, CxA+BE is an architecture and building enclosure expert specializing in construction defects and water infiltration investigations. With a career encompassing architectural design, forensic evaluations, and building enclosure commissioning, he brings a comprehensive understanding of the built environment to his litigation work. His work centers on investigating construction defects, assessing water infiltration issues, and evaluating ADA compliance in building projects. Mr. Weekes has been retained in numerous expert witness and consulting engagements throughout Indiana, involving cases related to building design, construction defects, and ADA accessibility issues. His Bachelor of Science and Masters of Architecture in Architecture, along with certifications such as Building Enclosure Commissioning Provider (BECxP) and Commissioning Authority + Building Enclosure (CxA+BE), 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 building enclosure failures and construction defects.

EngineeringBuilding designConstruction defects+3
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Construction
CG

Christopher Grundy

Construction Management Professional

Fort Myers, FL40 years+ yrs★ 8.6

Christopher Grundy, LEED AP is a construction management expert specializing in contractual disputes and construction oversight failures. With a career spanning project and delivery management, cost control, contracts and procurement, and sustainability oversight, he brings a comprehensive framework to analyzing construction-related litigation. His work centers on investigating construction delays, assessing contract compliance, and evaluating whether industry standards were met. Mr. Grundy has been retained in numerous expert witness and consulting engagements across the United States, Canada, and South Africa, involving federal, educational, and multi-family construction projects. His BSc. (Hons) Civil Engineering in Civil Engineering, along with LEED Accredited Professional and DBIA 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 responsibility in disputes involving construction defects, procurement irregularities, and delay and disruption analysis.

Construction EngineeringProject & Delivery ManagementCost Control & Documentation+3
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Roadway Hydroplaning Analysis
JJ

James J. Valenta

Highway Safety Engineer

Dexter, MI★ 8.6

I am an experienced highway safety engineer with two engineering science degrees and over 44 years’ experience in traffic safety research, highway and traffic engineering design, roadway maintenance and traffic data analytics. I have taught at the University of Michigan and the Engineering Society of Detroit. I hold a certificate in Accident Reconstruction for Engineers from Northwestern University’s Transportation Institute and I am a Professional Civil Engineer. My litigation experience includes more than 120 personal injury cases in 28 states since 1996. I have significant experience in designing, constructing, and maintaining urban intersections, including the design, construction, operation and maintenance of traffic control devices. When I was employed as a senior traffic engineer at Midwestern Consulting, LLC I was the designated lead design engineer approved by the Michigan Department of Transportation to design intersection improvement projects including application of geometric design standards. When I was employed as Director of Transportation for the City of Ann Arbor, Michigan I was responsible for the design, construction, operation and maintenance of all traffic control devices in that city. I am knowledgeable in the application of the Manual on Uniform Traffic Control Devices.

GuardrailHighway DesignHighway Maintenance Defects+13
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