Expert Witness Directory

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Fire Protection Engineering
BD

Benjamin Darby Casey

Principal

New Orleans, LA23 years+ yrs★ 9.4

Benjamin Darby Casey, PE, CPP, PSP, DBIA, MBA is a fire protection and security engineering expert specializing in fire protection systems design and security integration. With a career spanning fire protection engineering, security systems, and building code analysis, he brings a comprehensive understanding of risk management and safety compliance to litigation work. His work centers on investigating fire origins and causes, assessing security vulnerabilities, and evaluating compliance with fire safety codes. Mr. Casey has been retained in numerous expert witness and consulting engagements across the United States, involving complex risk-based engineered systems and unique solutions for industries such as data centers, hospitals, and cultural institutions. His BS in Fire Protection Engineering from the University of Maryland, along with certifications such as Physical Security Professional (PSP) and Certified Protection Professional (CPP), 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 and security systems.

SecurityBuilding CodeArson+21
Biochemistry
CM

Christopher Matthew Byrd, Ph.D.

Senior Scientist and Executive

Bethesda, MD★ 9.4

Christopher Matthew Byrd, Ph.D. is a forensic biotechnology expert specializing in DNA forensic analysis and biochemistry in legal contexts. With a career spanning biotechnology research, program management, and strategic analysis, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating DNA evidence, assessing biochemical processes, and evaluating whether laboratory standards were met. Mr. Byrd has been retained in numerous expert witness and consulting engagements across the United States, involving criminal and family law cases. His Ph.D. in Bioengineering, along with certifications as a Level III Program and R&D Manager and ANSI/ANAB laboratory assessor, 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 biotechnology and laboratory practices.

BiologyBiomedicalBiotechnology+15
Drones
HG

Harry G. Direen Jr, Ph.D, PE

Consultant, Expert Witness, COO

Colorado Springs, COOver 40 years+ yrs★ 9.4

Harry G. Direen Jr, Ph.D, PE is an Electrical and Software Engineering expert specializing in intellectual property litigation and patent infringement analysis. With a career spanning control systems, high-performance computing, and brain control interface systems, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating patent validity, assessing product reverse engineering, and evaluating whether intellectual property rights have been infringed. Dr. Direen has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to factory automation systems, encryption methods, and UAV control systems. His Ph.D. in Electronics Engineering / Control Systems, along with his 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 patent infringement and validity in disputes involving complex engineering systems.

Electrical EngineeringElectronicsIntellectual Property+16
Medical Devices
TK

T. Kim Parnell, PhD, PE

Mechanical Engineering Leader | Failure Analysis Specialist | Expert Witness

Sunnyvale, CA50 years+ yrs★ 9.3

T. Kim Parnell, PhD, PE is a mechanical engineering and failure analysis expert specializing in litigation involving medical devices, heavy equipment, and intellectual property claims. With a career spanning litigation consulting, technical investigations, and product development across highly regulated industries, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating mechanical failures, assessing accident causation, and evaluating intellectual property disputes. Mr. Parnell has been retained in numerous expert witness and consulting engagements across the United States, involving cases in medical devices, intellectual property, and product liability. His PhD in Mechanical Engineering, along with certifications such as SEAK Expert Witness Training – 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 mechanical failures and product liability.

Intellectual PropertyMechanical failure analysisFatigue, fracture & stress analysis (FEA)+23
Engineering
RF

Richard Fincher

Executive Engineering Consultant, Expert Witness

Dallas, TX48 years+ yrs★ 9.3

Richard Fincher, Executive Engineering Consultant, Expert Witness is an engineering and software engineering expert specializing in IP & patent litigation and strategic development. With a career spanning engineering management, R&D, product development, and industrial automation, he brings a multifaceted perspective to litigation work. His work centers on investigating intellectual property disputes, assessing engineering management practices, and evaluating whether product development processes meet industry standards. Mr. Fincher has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the manufacturing, software, electronics, telecom, automotive, medical, energy, and high technology industries. His Master of Business Administration in Management, Finance, International Entrepreneurship, along with Project Management Professional Certification and Lean/Six Sigma Black Belt & Master Black Belt 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 engineering management and software engineering.

Software EngineeringEngineering ManagementR&D, Product development+7
Structural Engineering
SP

Scott Phelan, Ph.D., P.E., P.Eng., S.E.

President | Chief Bridge Engineer

Seattle, WA30+ years+ yrs★ 9.3

Scott Phelan, Ph.D., P.E., P.Eng., S.E. is a structural bridge engineering expert specializing in concrete segmental bridge design and design-build project delivery. With a career encompassing leadership in major bridge projects and advanced research in bridge dynamics, he brings a comprehensive understanding of structural integrity and innovative design solutions to litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating whether design deviations contributed to project disputes. Mr. Phelan has been retained in numerous expert witness and consulting engagements across North America, involving complex infrastructure projects and design-build contracts. His Ph.D. in Civil and Environmental Engineering from the Massachusetts Institute of Technology, along with his Professional Engineer (P.E.) and Structural Engineer (S.E.) 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 bridge engineering and structural design compliance.

EngineeringConcrete segmental bridgesDesign-Build pursuit and delivery+5
Maritime
WH

William H. D. Ostara

Incident Investigation – Risk Assessment – Expert Opinion

Gig Harbor, WA1 years+ yrs★ 9.3

William H. D. Ostara is a maritime engineering and risk assessment expert specializing in incident investigation and root-cause failure analysis of shipboard equipment. With a diverse background in marine propulsion, electrical systems, and refrigeration systems, he brings a comprehensive understanding of shipboard culture and organizational psychology to his litigation work. His work centers on investigating engineering failures, assessing vessel operations, and evaluating onboard management best practices. Mr. Ostara has been retained in numerous expert witness and consulting engagements across the United States and the United Kingdom, involving marine engineering casualties, personal negligence, and vessel systems. His Bachelor of Science in Liberal Arts from Excelsior University, along with certifications such as the Certificate in Incident Investigation from Lloyd’s Maritime Academy, 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 propulsion and electrical systems.

EngineeringIncident InvestigationRisk Assessment+5
Geologic, hydrologic and geophysical data interpretation
TJ

Timothy J. Mayotte, Ph.D., CPG, P.E.

Ph.D., CPG, P.E.

East Lansing, Michigan37 years+ yrs★ 9.2

Timothy J. Mayotte, Ph.D., CPG, P.E. is an Environmental Engineering expert specializing in geologic, hydrologic, and geophysical data interpretation. With a career spanning biological and physico-chemical treatment technologies, numerical modeling of water flow, and geotechnical investigations, he brings a multidisciplinary approach to complex environmental litigation. His work centers on investigating contamination pathways, assessing remediation strategies, and evaluating whether engineering standards have been met. Mr. Mayotte has been retained in numerous expert witness and consulting engagements across the United States, involving environmental remediation, civil engineering, and industrial wastewater treatment cases. His Doctor of Philosophy in Environmental Engineering, along with certifications as a Certified Professional Geologist and Professional Engineer, 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 groundwater contamination and remediation strategies.

Biological and physico-chemical treatment technologiesNumerical modeling of ground- and surface-water flowGeotechnical investigations and soil mechanics+15
Structural Engineering
ZA

Zohaib A. Alvi

Civil, Structural, and Forensic Engineering Consultant

Lake Ronkonkoma, New York15 years+ yrs★ 9.2

Zohaib A. Alvi, M.Eng., P.E., ENV-SP is a Civil, Structural, and Forensic Engineering expert specializing in structural failure analysis and construction defect litigation. With a career encompassing structural design, forensic investigations, and building preservation, he brings a multifaceted engineering perspective to his litigation work. His work centers on investigating structural deficiencies, assessing construction compliance, and evaluating whether building codes were adhered to. Mr. Alvi has been retained in numerous expert witness and consulting engagements across the northeastern United States, involving structural failure, construction disputes, and building preservation cases. His Master of Engineering in Engineering Management, along with certifications such as Envision Sustainability Professional (ENV-SP) and Certified XL Tribometrist (CXLT), 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 engineering and construction issues.

Building InspectionCivil EngineeringForensic Engineering
Codes
WJ

William J. Kirkham

Forensic Engineer

Eudora, Kansas20 years+ yrs★ 9.2

William J. Kirkham, P.E., S.E., Ph.D., F. SEI, M.ASCE is a forensic engineering expert specializing in structural failure analysis and construction defect litigation. With a career spanning structural design, forensic investigations, and academic contributions, he brings a multidisciplinary framework to his litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating whether construction defects contributed to damages. Mr. Kirkham has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as defective railings, shotcrete pool failures, and multi-story building collapses. His Ph.D. in Wood Science & Civil Engineering, along with certifications as a Professional Engineer and Structural Engineer, 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 engineering and construction defects.

Civil EngineeringSteelMasonry+18
Mechanical Engineering
SJ

Scott J. Anson, Ph.D., P.E.

Principal Forensic Engineer

Harleton, TX30+ years+ yrs★ 9.2

Scott J. Anson, Ph.D., P.E. is a forensic engineering expert specializing in multidisciplinary failure analysis and non-destructive testing. With a career encompassing mechanical and materials engineering, he brings a comprehensive framework for evaluating complex engineering failures in litigation contexts. His work centers on investigating product liability claims, assessing workplace injury causation, and evaluating whether structural failures align with industry standards. Mr. Anson has been retained in numerous expert witness and consulting engagements across Texas, Georgia, Louisiana, and Oklahoma, involving product liability, workplace injuries, and commercial litigation. His Ph.D. in Systems Science with a Manufacturing Systems concentration, along with certifications such as API 580 Risk Based Inspection and API 510 Pressure Vessel 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 causation in disputes involving mechanical and materials engineering failures.

Failure AnalysisForensic EngineeringNon-Destructive Testing+1
Medical Devices
JM

Jay M. Vincelli

PhD, PE

Orford, NH18 years+ yrs★ 9.2

Jay M. Vincelli, PhD, PE is a forensic analysis expert specializing in medical devices for product liability and patent litigation. With a cross-disciplinary background in biomedical engineering, materials science, and mechanical engineering, he brings a multifaceted perspective to his litigation work. His work centers on investigating device failures, assessing compliance with industry standards, and evaluating whether design defects contributed to adverse outcomes. Dr. Vincelli has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as orthopedic implants, transvaginal mesh, and cardiac devices. His PhD in Electrical, Computer & Biomedical Engineering, along with certifications such as NAMSA Training ISO 10993 Biological Evaluation of Medical Devices and ISO 9001 Lead Auditor Training, 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 medical device failures.

Biomedical EngineeringForensic analysis of medical devicesProduct liability+1
Civil Engineering
CE

Christine E. Carrigan

P.E., Ph.D.

Canton, Maine28 years+ yrs★ 9.2

Christine E. Carrigan, P.E., Ph.D. is a roadway safety engineering expert specializing in highway and roadside safety litigation. With a career spanning highway design, safety research, and engineering ethics, she brings a comprehensive framework to analyzing safety standards and performance evaluations. Her work centers on investigating crash frequency and severity, assessing the effectiveness of roadside safety features, and evaluating whether design deviations impact safety outcomes. Dr. Carrigan has been retained in numerous expert witness and consulting engagements across the United States, involving highway design, roadside safety, and traffic engineering cases. Her Ph.D. in Civil Engineering, along with her certification as a Local Project Administrator and registration as a Professional Engineer in multiple states, 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 roadside hardware and highway safety.

TransportationIn-service performance evaluations of roadside hardwareProbability concepts in highway safety+4
Construction and Civil Engineering
C(

Colonel (Ret.) Robert Carpenter

Professional Engineer | Construction & Federal Infrastructure Expert

LUTZ, Florida30+ years+ yrs★ 9.2

Colonel (Ret.) Robert Carpenter, P.E., CGC is a construction and federal infrastructure expert specializing in engineering quality control and program oversight. With a career spanning construction project management, federal procurement, and disaster recovery operations, he brings a strategic framework to litigation work involving complex infrastructure and regulatory compliance. His work centers on investigating construction standards of care, assessing compliance with Federal Acquisition Regulations, and evaluating whether FEMA Public Assistance program requirements have been met. Mr. Carpenter has been retained in numerous expert witness and consulting engagements across Florida, Virginia, and Puerto Rico, involving federal construction standards, disaster recovery operations, and USACE infrastructure projects. His MS in Civil Engineering from Stanford University, along with certifications such as LEED and his licenses as a Professional Engineer in multiple jurisdictions, 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 federal procurement and infrastructure projects.

Construction project management and construction standards of careFederal Acquisition Regulations (FAR) and federal procurementFEMA Public Assistance disaster recovery programs+5
Artificial Intelligence
JC

Joseph C. Sremack

Managing Director

New York, NY20+ years+ yrs★ 9.2

Joseph C. Sremack, CFE, CISA, CIPP/US is a forensic technology expert specializing in data analysis, source code examination, and IT system assessment. With a career spanning forensic data collection, artificial intelligence design, and enterprise system investigations, he brings a multifaceted analytical framework to litigation work. His work centers on investigating data breaches, assessing software compliance, and evaluating whether systems meet regulatory standards. Mr. Sremack has been retained in over 500 expert witness and consulting engagements across multiple countries, involving artificial intelligence intellectual property disputes, enterprise system failures, and data privacy assessments. His M.S. in Computer Science, along with certifications as a Certified Fraud Examiner, Certified Information Systems Auditor, and Certified Information Privacy Professional, 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 data and software systems.

Software EngineeringForensic data collectionForensic data analysis and data science+4
Construction and Civil Engineering
M(

Makarand (Mark) Hastak

Associate Dean of Engineering for Facilities and Planning

Indianapolis, IN35 years+ yrs★ 9.2

Makarand (Mark) Hastak, Ph.D., PE, MS(Law), CCP, CRIS, FASCE, NAC is a construction engineering and management expert specializing in profitability of construction companies, disaster risk reduction, and infrastructure management. With a career spanning consulting, research, and academia, he brings a multifaceted perspective to litigation work involving complex construction and engineering disputes. His work centers on investigating cost control measures, assessing project management decision-making, and evaluating whether risk management protocols were adhered to. Dr. Hastak has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to construction safety, insurance disputes, and contractual breaches. His Ph.D. in Civil Engineering, along with certifications such as Construction Risk Insurance Specialist (CRIS) and Certified Cost Professional (CCP), 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 engineering and management.

Construction EngineeringProject ManagementRisk Management+1
Mechanical Engineering
JT

John Thomazin

MSME, P.E., DFE

Orlando, FL38 years+ yrs★ 9.2

John Thomazin, MSME, P.E., DFE is a mechanical and electrical systems expert specializing in forensic engineering and accident reconstruction. With a career spanning software development, manufacturing, consulting, and academia, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating vehicle accident reconstructions, assessing product and premises liability, and evaluating whether mechanical failures have occurred. Mr. Thomazin has been retained in numerous expert witness and consulting engagements across the United States, involving vehicle accidents, farm equipment incidents, and structural assessments. His Master of Science in Mechanical Engineering, along with certifications such as Certified XL Tribometrist and ACTAR Accredited Traffic Accident Reconstructionist, 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 electrical systems.

Accident ReconstructionManufacturingSafety Engineering+12
Premises Liability
CL

Craig L. Moskowitz

MBA, MS, PE

Stamford, CT20+ years+ yrs★ 9.2

Craig L. Moskowitz, MBA, MS, PE is a forensic engineering expert specializing in construction defects and premises liability litigation. With a career spanning construction management, civil engineering, and forensic investigations, he brings a multifaceted perspective 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. Moskowitz has been retained in numerous expert witness and consulting engagements across the northeastern United States, involving construction accidents, structural engineering, and property condition assessments. His Master’s in Construction Administration from Columbia University, along with his certifications as a Licensed Professional Engineer in Connecticut and New Jersey, 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 premises liability.

Construction DefectsOSHAconstruction+16
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