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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 433–450 of 1,756 experts

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Trusts & Estates
D(

Daniel (Dan) FitzPatrick

JD, TEP, MCIT

Greenwich, Connecticut30+ years+ yrs★ 8.6

Daniel (Dan) FitzPatrick, JD, TEP, MCIT is a fiduciary (trust & estate) duties and liabilities expert specializing in fiduciary litigation. With a career spanning fiduciary leadership roles at premier financial institutions, he brings a strategic perspective to litigation work involving complex trust and estate matters. His work centers on investigating fiduciary breaches, assessing trustee responsibilities, and evaluating whether industry standards have been met. Mr. FitzPatrick has been retained in numerous expert witness and consulting engagements across state and federal courts, involving fiduciary breach claims, trust administration disputes, and estate management cases. His JD from Vanderbilt University, along with his Master Certified Independent Trustee 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 responsibility in disputes involving fiduciary duty and trustee liability.

Dispute Resolution
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Structural Engineering
CK

Christopher Klinga P.E.

Solar Product & Project Expert

Boulder, Colorado18 years+ yrs★ 8.6

Christopher Klinga P.E. is a solar structural engineering expert specializing in the structural analysis, integration, and performance of architectural solar solutions. With a career spanning solar product development, structural engineering, and photovoltaic system design, he brings a comprehensive understanding of solar integration challenges to litigation work. His work centers on investigating wind load analysis, assessing solar performance, and evaluating whether building code compliance has been met. Mr. Klinga has been retained in numerous expert witness and consulting engagements across the United States, involving solar PV systems, rooftop solar wind failures, and hybrid ballast systems. His Bachelor of Science in Mechanical Engineering from the University of Colorado, along with his Licensed Professional Engineer designation in Colorado, 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 solar performance and structural engineering.

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Medical Devices
JL

J. Lawrence Stevens

FDA Device Expert

East Alton, IL44 years+ yrs★ 8.6

J. Lawrence Stevens, RAC is an FDA Medical Device Regulation expert specializing in FDA compliance and regulatory affairs for medical devices. With a career encompassing extensive FDA field positions and senior industry roles, he brings a multifaceted perspective to litigation work involving regulatory compliance and quality assurance. His work centers on investigating FDA regulatory adherence, assessing quality system compliance, and evaluating whether medical devices meet FDA approval standards. Mr. Stevens has been retained in numerous expert witness and consulting engagements across the United States, involving complex medical device regulatory cases and compliance issues. His Bachelor of Arts in Biological Sciences, along with his Certified in Regulatory Affairs (RAC) credential, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of regulatory compliance in disputes involving FDA medical device regulation.

Biomedical Engineering
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Structural Design
TN

Trent Nelson

President of Apex Structural Design, LLC

Sioux Falls, SD★ 8.6

Apex Structural Design, L.L.C., is a consulting engineering firm that provides a broad range of professional engineering services associated with buildings and building components. From innovative structural design and up to date specifications to field observation, damage assessment and forensic engineering; Apex personnel are dedicated to providing you with quality, professional service. Apex designers are experienced in Design / Bid, Design / Build and Fast Track types of construction projects utilizing all types of building materials.

Forensic EngineeringTimber StructuresSteel Structures+1
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Maritime
CA

Captain Andy Robertson

Maritime Operations Specialist

Charleston, SC6 years+ yrs★ 8.6

Captain Andy Robertson, USCG 100 Ton Master, ABYC Marine Systems Technician, ABYC Marine Electrical Technician is a maritime operations specialist expert specializing in vessel operation and navigation practices, small craft collision and grounding analysis, and boating under the influence (BUI) cases. With a career encompassing pilot boat maneuvers, ferry operations, and marine systems diagnostics, he brings a multifaceted perspective to litigation work involving maritime safety and compliance. His work centers on investigating vessel handling and safety protocols, assessing mechanical and electrical failures, and evaluating whether standard of care in recreational and commercial boating was upheld. Mr. Robertson has been retained in numerous expert witness and consulting engagements nationwide, involving commercial vessel operation, BUI, system failure, and regulatory compliance cases. His B.A. in Psychology from UNC Wilmington, along with his ABYC Marine Systems Technician Certification and ABYC Marine Electrical Technician 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 maritime operations and safety compliance.

LegalVessel Operation & Navigation PracticesSmall Craft Collision & Grounding Analysis+7
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Intellectual Property
EL

Erik Laykin

CEO & Managing Partner

New York, NY36 years+ yrs★ 8.6

Erik Laykin CHFI, CEDS, CFLC, JMG is a digital forensics and cyber crime expert specializing in trade secret investigations and intellectual property disputes. With a career spanning complex investigations across financial services, technology, and international trade, he brings a multidisciplinary investigative framework to litigation work. His work centers on investigating intellectual property theft, assessing cyber crime impacts, and evaluating whether corporate espionage has occurred. Mr. Laykin has been retained in over 100 expert witness and consulting engagements globally, involving intellectual property, cyber crime, and financial services risk. His degree in Political Science, along with certifications as a Computer Hacking Forensic Investigator, Certified Electronic Discovery Specialist, and Certified Forensic Litigation Consultant, 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 digital forensics and trade secret theft.

Digital ForensicsTrade Secret InvestigationsCyber Crime
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Safety
EP

Eric P Thibodeaux

Short Term Rental Property Mgmt Safety Expert

Friendswood, Texas35 years+ yrs★ 8.6

Eric P Thibodeaux, Certified Safety Professional, Certified Hazardous Materials Manager is a Short Term Rental Property Management Safety expert specializing in premises liability and hospitality safety. With a career spanning safety engineering, property management, and risk assessment, he brings a comprehensive framework to litigation work involving safety standards and liability. His work centers on investigating short-term rental safety, assessing property management practices, and evaluating whether safety protocols meet industry standards. Mr. Thibodeaux has been retained in numerous expert witness and consulting engagements across the United States, involving short-term rental safety, multi-family property management, and hospitality safety. His Master of Public Health in Occupational Safety & Health, along with certifications as a Certified Safety Professional and Certified Hazardous Materials Manager, 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 vacation rental safety and property management practices.

Property ManagementShort-Term Rental SafetyPremises Liability+11
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Cybersecurity
FH

Frederick Haggerty

Digital Forensics and Cybersecurity Expert

Sterling, VA28 years+ yrs★ 8.6

Frederick L. Haggerty, MSLS, CISSP®, CEREA, GREM, CDRE, CDRP, GCFA, Q/FE, FSO is a digital forensics and cybersecurity expert specializing in digital forensics, malware analysis, email investigations, and network intrusion responses. With a career spanning software development and legal studies in cybersecurity, he brings a multidisciplinary perspective to litigation work. His work centers on investigating digital breaches, assessing malware impacts, and evaluating whether security protocols were breached. Mr. Haggerty has been retained in numerous expert witness and consulting engagements across the United States, involving cases of business email compromises, extortion, and trade secret theft. His M.S. in Legal Studies in Cybersecurity and Data Privacy from Albany Law School, along with certifications such as Certified Information Systems Security Professional (CISSP®) and GIAC Certified Forensic Analyst (GCFA), 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 cybersecurity breaches and digital evidence.

ComputersDigital ForensicsMalware Analysis+2
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Human Factors
FB

Francesco Biondi

Associate Professor and Expert Witness

Windsor, ON15 years+ yrs★ 8.6

Francesco Biondi, PhD is a Human Factors and Cognitive Ergonomics expert specializing in distracted-driving analysis and driver-monitoring evaluation. With a career spanning human-machine interaction, cognitive workload assessment, and transportation safety, he brings a multidisciplinary perspective to litigation work. His work centers on investigating driver distraction, assessing cognitive workload, and evaluating human-machine interface usability. Mr. Biondi has been retained in numerous expert witness and consulting engagements across North America, involving transportation safety, human-machine interaction, and cognitive ergonomics. His Doctorate in Psychological Science applied to Human Factors, along with his extensive research and consulting 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 driver distraction and cognitive workload.

TransportationCognitive ErgonomicsDriver Distraction
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Mechanical Engineering
BM

Brian M. Davis

MSME, PE

Cincinnati, OH35 years+ yrs★ 8.6

Brian M. Davis, MSME, PE is a mechanical engineering and forensic engineering expert specializing in products liability and failure analysis. With a career spanning gas turbines, automotive engineering, and medical device design, he brings a multidisciplinary perspective to litigation work. His work centers on investigating component failures, assessing mechanical design compliance, and evaluating whether engineering standards were met. Mr. Davis has been retained in numerous expert witness and consulting engagements across the United States, involving automotive, marine, industrial, and medical device cases. His MS in mechanical engineering, along with certifications such as Certified Six Sigma Greenbelt and Material Review Board 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 systems and engineering practices.

Products LiabilityGas turbinesAutomotive engineering+4
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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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Oil and Gas
JR

John R. Puskar

PE

Hinckley, Ohio39 years+ yrs★ 8.6

John R. Puskar, PE is a fuels and combustion systems risk management expert specializing in gas piping and combustion equipment safety. With a career spanning engineering consulting, safety inspections, and risk management, he brings a strategic engineering perspective to litigation work. His work centers on investigating root causes of explosions, assessing compliance with safety codes, and evaluating whether negligence contributed to incidents. Mr. Puskar has been retained in numerous expert witness and consulting engagements across North America, involving cases such as industrial explosions, boiler failures, and gas piping incidents. His BEME in Mechanical Engineering from Youngstown State University, along with certifications such as Certified Energy Manager and Certified Cogeneration 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 combustion equipment and gas piping systems.

FireGas PipingCombustion Equipment
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Internet and Cybersecurity
JE

Jonathan E. Hochman

Lecturer, Co-Founder

New London, Connecticut33 years+ yrs★ 8.6

Jonathan E. Hochman, Ph.D. is an Internet and Cybersecurity expert specializing in disputes related to technology startups and securities fraud in the technology industry. With a career spanning internet marketing, digital forensics, and website development, he brings a multifaceted perspective to litigation work. His work centers on investigating digital platform vulnerabilities, assessing cybersecurity protocols, and evaluating whether privacy standards have been breached. Mr. Hochman has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to internet marketing, e-commerce, and digital forensics. His Doctor of Philosophy in Computer Science from Yale University, along with his Biomedical Research – Basic certification from CITI 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 responsibility in disputes involving internet and cybersecurity issues.

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Failure Analysis
LE

Lee E. Sale, P.E.

Principal Consultant

Mandeville, LAOver 20 years+ yrs★ 8.6

Lee E. Sale, P.E. is a mechanical engineering expert specializing in failure analysis of mechanical equipment and systems. With a career spanning commercial, heavy industrial, manufacturing, oil and gas, and shipbuilding sectors, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating equipment failures, assessing compliance with engineering standards, and evaluating whether mechanical systems met operational requirements. Mr. Sale has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to cranes, rigging, heavy transport, and industrial facilities. His B.S. in Mechanical Engineering from Louisiana State University, along with certifications such as Certified Overhead Crane/Hoist and Rigging Inspector and Certified Mobile Crane 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 mechanical equipment failures and accidents.

Mechanical EngineeringCranesRigging+5
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Intellectual Property
DC

Dr. Chris Daft

Principal

San Francisco, CA36 years+ yrs★ 8.6

Dr. Chris Daft, D. Phil. is an Intellectual Property and Medical Devices expert specializing in patent and trade secret litigation. With a career encompassing imaging, AI, semiconductors, MEMS, and biomedical engineering, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating patent validity, assessing trade secret misappropriation, and evaluating whether industry standards in medical device design have been met. Dr. Daft has been retained in numerous expert witness and consulting engagements across the United States, involving cases in medical devices, imaging technologies, and consumer electronics. His D. Phil. in Materials Science from Oxford University, along with his Six-Sigma Certified Green Belt, 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 imaging and sensor technologies.

Medical DevicesImagingAI+6
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Architecture
AB

Anthony Bruttaniti

Architect Expert Witness

Philadelphia, PA44 years+ yrs★ 8.6

Anthony Bruttaniti is an Architect Expert Witness specializing in construction defects, premises liability, and building code analysis. With a career spanning architectural design, construction detail drawings, and compliance with building standards, he brings a comprehensive understanding of safety and regulatory frameworks to his litigation work. His work centers on investigating construction defects, assessing ADA compliance, and evaluating whether building codes have been adhered to. Mr. Bruttaniti has been retained in numerous expert witness and consulting engagements across Pennsylvania, New Jersey, and Delaware, involving cases related to construction defects, slip and fall incidents, and ADA compliance. His Bachelors of Architecture from the New Jersey Institute of Technology, along with LEED Certification and SEAK Expert Witness 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 responsibility in disputes involving architectural standards and compliance issues.

Construction DefectsPremises LiabilityBuilding Code analysis+5
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Civil Engineering
H(

Honglong (Hong) Li

Ph.D, Professional Engineer, Civil

Honolulu, HI26 years+ yrs★ 8.6

Honglong (Hong) Li, Ph.D, Professional Engineer, Civil is a Traffic Engineering expert specializing in transportation policies and environmental impact studies. With a career spanning civil engineering, transportation planning, and public transit systems, he brings a comprehensive framework to litigation work involving complex transportation issues. His work centers on investigating traffic accidents, assessing transportation greenhouse gas emissions, and evaluating whether transportation management systems meet regulatory standards. Mr. Li has been retained in numerous expert witness and consulting engagements throughout Hawaii, involving traffic accidents, road maintenance fee disputes, and transportation greenhouse gas emissions. His Ph.D. in Civil and Environmental Engineering, along with his Professional Engineer license in Hawaii, 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 transportation safety and management systems.

Traffic EngineeringTransportation policiesCivil Rights Title VI/environmental justice+3
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Firearms & Ballistics
DP

Donald P. Redl, Jr.

Board Certified Investigator | Use-of-Force & Firearms Expert

Salt Point, NY30+ years+ yrs★ 8.6

Donald P. Redl, Jr., PCI, CFI-FTER is a Use-of-Force & Firearms expert specializing in complex civil and criminal litigation involving firearms training accidents and negligent security. With a career encompassing firearms instruction, scenario-based training, and executive security operations, he brings a multifaceted perspective to litigation work. His work centers on investigating lawful use-of-force incidents, assessing firearms training methodologies, and evaluating negligence in security operations. Mr. Redl has been retained in numerous expert witness and consulting engagements across the United States, involving cases of firearms training accidents and security negligence. His Professional Certified Investigator (PCI) and Certified Forensic Interviewer (CFI-FTER) 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 use-of-force and firearms training incidents.

SecurityUse-of-ForceFirearms Training+2
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