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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.

Showing 577–594 of 3,373 experts

Actuarial

Arthur B. Kagan, FSA, EA

Consulting Actuary

Woodland Hills, CA40 years+ yrs★ 8.6

Arthur B. Kagan, FSA, EA is a consulting actuary expert specializing in pension plan disputes and compliance issues. With a career spanning actuarial consulting, pension plan design, and IRS compliance, he brings a strategic framework to litigation involving complex retirement plan matters. His work centers on investigating compliance violations, assessing plan design efficacy, and evaluating whether actuarial standards have been met. Mr. Kagan has been retained in numerous expert witness and consulting engagements across the United States, involving marital dissolution, estate issues, and pension plan disputes. His B.A. in Mathematics from Rutgers University, along with certifications such as FSA, EA, and Accredited Pension Administrator, reinforce 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 responsibility in disputes involving retirement plans and actuarial valuations.

StatisticsPension Plan DesignActuarial Valuations+5
Construction Defects

David K. Walters

Construction Professional

Cumming, Georgia30 years+ yrs★ 8.6

David K. Walters is a construction defects and property damage expert specializing in residential and light commercial construction litigation. With a career encompassing structural repair evaluation, property damage investigation, and project management, he brings a comprehensive framework to litigation work involving construction defects and insurance property claims. His work centers on investigating construction defects, assessing property damage, and evaluating whether repair scopes meet regulatory compliance. Mr. Walters has been retained in numerous expert witness and consulting engagements across Georgia, involving construction defect cases, insurance property claims, and wood-destroying organism deterioration. His Georgia Licensed Residential & Light Commercial Contractor certification, along with his Georgia Property & Casualty Adjuster 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 construction defects and property damage.

Property DamageGeneral Contracting & RemodelingStructural Repair Evaluation+14
Failure Analysis

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
Legal

John Conlon

President & CEO

Noblesville, IN48 years+ yrs★ 8.6

John Conlon, J.D. is a legal fee dispute expert specializing in attorney fee disputes, legal billing disputes, and insurance coverage disputes. With a career spanning legal practice, insurance litigation management, and environmental claims, he brings a multifaceted perspective to his litigation work. His work centers on investigating the reasonableness of legal fees, assessing compliance with litigation guidelines, and evaluating the allocation of defense costs. Mr. Conlon has been retained in numerous expert witness and consulting engagements across jurisdictions including MI, WA, DC, DE, IN, KY, CA, and OH, involving cases such as environmental contamination, construction defects, and legal malpractice. His J.D. from Indiana University, along with his licensure as an attorney in IN and KY, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of the reasonableness of legal fees in disputes involving complex litigation matters.

Insurance
Meteorology

David L Mitchell, PhD

Expert Witness

Dayton, TX35 years+ yrs★ 8.6

David L Mitchell, PhD is a Meteorology and Environmental expert specializing in forensic meteorology and environmental litigation. With a career spanning forensic geoscience, air dispersion modeling, and severe weather analysis, he brings a comprehensive scientific framework to litigation work. His work centers on investigating weather event re-construction, assessing air pollution impacts, and evaluating whether meteorological factors contributed to aviation and marine accidents. Mr. Mitchell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to aviation accidents, marine accidents, and severe weather events. His PhD in Meteorology from Purdue University, along with his Certified Professional Geoscientist designation and Licensed Professional Geoscientist (#1330) in the State of Texas, 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 weather-related property damage and personal injury.

Environmental
Human Factors

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
Employment and Human Resources

Ramona Powell

SPHR

San Marcos, CA35 years+ yrs★ 8.6

Ramona Powell, SPHR is a Human Resources and Employment Practices expert specializing in cases involving discrimination, retaliation, wrongful termination, workplace harassment, and ADA accommodation. With a career spanning strategic planning, organizational design, and mergers and acquisitions, she brings a strategic business partner perspective to litigation work. Her work centers on investigating employment practices, assessing compliance with HR standards, and evaluating whether workplace policies align with legal requirements. Ms. Powell has been retained in numerous expert witness and consulting engagements across the United States, involving cases in technology, healthcare, manufacturing, and distribution industries. Her major in Economics from the University of Wisconsin – Madison, along with her SPHR 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 responsibility in disputes involving employment discrimination, ADA accommodations, and workplace policies.

Strategic PlanningOrganizational DesignTotal Rewards and Compensation+15
Structural Design

Trent Nelson

President of Apex Structural Design, LLC

Sioux Falls, SD★ 8.6

Trent Nelson, P.E. is a structural design and forensic engineering expert specializing in the analysis and evaluation of building components and systems. With extensive design experience in timber, steel, and concrete construction, he brings a comprehensive understanding of structural integrity and failure analysis to his litigation work. His work centers on investigating structural deficiencies, assessing storm and environmental damage, and evaluating whether construction practices meet industry standards. Mr. Nelson has been retained in numerous expert witness and consulting engagements across the Midwest, involving commercial, residential, and industrial property types. His Bachelor of Science degree in Civil Engineering from South Dakota State University, along with Haag Roof Inspector Training – Commercial & Residential, 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 failures and damage assessments.

Forensic EngineeringTimber StructuresSteel Structures+1
Intellectual Property

Dr. Chris Daft

Principal

San Francisco, CA36 years+ yrs★ 8.6

Dr. Chris Daft is a biomedical engineering and imaging systems expert specializing in intellectual property and medical devices litigation. With a career encompassing diverse technical consulting and leadership roles in multinational corporations and startups, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating imaging system failures, assessing intellectual property claims, and evaluating whether medical devices meet regulatory standards. Dr. Daft has been retained in numerous expert witness and consulting engagements across the United States, involving medical devices, imaging systems, and semiconductor technologies. 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 imaging and biomedical engineering technologies.

Medical DevicesImagingAI+7
Internet and Cybersecurity

JONATHAN E. HOCHMAN, PH.D.

Lecturer, Co-Founder

New London, Connecticut33 years+ yrs★ 8.6

Jonathan E. Hochman, Ph.D. is an Internet and Cybersecurity expert specializing in software engineering, digital identity, and data analytics litigation. With a career spanning software development, cybersecurity, and digital identity infrastructure, he brings a multifaceted technological framework to his litigation work. His work centers on investigating cybersecurity breaches, assessing digital identity systems, and evaluating whether software engineering practices meet industry standards. Mr. Hochman has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases related to internet technologies, cybersecurity, and digital advertising. His Doctor of Philosophy in Computer Science from Yale University, along with his CITI Program certification in Biomedical Research, 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 cybersecurity breaches and digital identity systems.

Software EngineeringInternet TechnologiesCybersecurity+4
Pipeline Integrity Management

Cassandra K. Moody, M.S, P.E.

Principal Engineer

Houston, TX★ 8.6

Cassandra K. Moody, M.S, P.E. is a pipeline integrity management expert specializing in midstream pipeline operations and regulatory compliance. With a career encompassing midstream operations and integrity engineering, she brings a risk-informed perspective to litigation work. Her work centers on investigating pipeline failures, assessing regulatory compliance, and evaluating risk and threat management strategies. Ms. Moody has been retained in numerous expert witness and consulting engagements across the United States and Canada, involving midstream pipeline operations and regulatory compliance cases. Her Master of Science in Environmental Engineering, along with her Professional Engineer licenses in Texas and Oklahoma, 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 pipeline integrity and safety management systems.

Midstream Pipeline OperationsRegulatory ComplianceRisk and Threat Assessment+3
Acquisitions, Mergers & Dispositions

Douglas E. Johnston, Jr.

Investigative Business Consultant and Litigation Support

Santa Monica, California30 years+ yrs★ 8.6

Douglas E. Johnston, Jr. is an investigative business consultant and litigation support expert specializing in acquisitions, mergers & dispositions, banking & lending, and corporate finance. With a career encompassing executive management, due diligence, and real estate transactions, he brings a strategic and analytical framework to litigation work. His work centers on investigating financial irregularities, assessing corporate finance structures, and evaluating whether industry standards were adhered to in complex financial transactions. Mr. Johnston has been retained in numerous expert witness and consulting engagements across the United States, involving cases in commercial real estate, corporate finance, and international banking. His Bachelor of Science in Economics from Washington and Lee University, along with his education from the Graduate School of Banking at the University of Wisconsin, 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 complex financial structures and transactions.

Banking & LendingCorporate FinanceReal Estate Finance
Negligent Hiring

Jean L. Seawright, CMC

Certified Management Consultant

Maitland, Florida36 years+ yrs★ 8.6

Jean L. Seawright, CMC is a human resource management expert specializing in employment regulations and compliance. With a career spanning executive advisory, regulatory compliance, and human resource consulting, she brings a strategic framework to analyzing employment practices and policies. Her work centers on investigating negligent hiring and retention, assessing compliance with employment regulations, and evaluating whether discrimination or harassment occurred. Ms. Seawright has been retained in numerous expert witness and consulting engagements across the United States, involving employment discrimination, harassment investigations, and employee policy development. Her Bachelor of Science in Chemistry, along with her Certified Management Consultant (CMC) 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 compliance and responsibility in disputes involving employment and human resource matters.

Negligent RetentionBackground ChecksADA+24
Forensic Toxicology

Dr. Sara J. Schreiber, PhD, D-ABFT-FT

Forensic Toxicologist, Educator, and Consultant

Frankenmuth, MI★ 8.6

Dr. Sara J. Schreiber, PhD, D-ABFT-FT is a forensic toxicology expert specializing in controlled substance analysis and medicolegal death investigation. With a career encompassing senior roles in governmental forensic institutions and academia, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating toxicological data, assessing laboratory methods, and evaluating whether forensic practices meet accreditation standards. Dr. Schreiber has been retained in numerous expert witness and consulting engagements across the United States, involving criminal and civil cases related to drug and alcohol findings. Her Doctor of Philosophy in Forensic Toxicology and Chemistry, along with her Diplomate certification from the American Board of Forensic Toxicology, 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 postmortem toxicology and opioid-related toxicology.

Controlled Substance AnalysisMedicolegal Death InvestigationExpert Testimony+3
Telecommunications

Tal Lavian, Ph.D.

Telecommunications, Computer Networks, Network Communications, and Internet Technologies Expert

Encino, CA35 years+ yrs★ 8.6

Tal Lavian, Ph.D. is a telecommunications and network communications expert specializing in litigation involving Internet protocols, data communications, and computer networks. With a career spanning research, development, and academia, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating telecommunications systems, assessing network protocol compliance, and evaluating whether industry standards have been met. Dr. Lavian has been retained in numerous expert witness and consulting engagements across the United States, involving cases with leading technology companies such as Google, Amazon, and Cisco Systems. His Ph.D. in Computer Science from the University of California, Berkeley, along with his Certified IEEE-WCET - Wireless Communications Engineering Technologies 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 telecommunications and network communications.

InternetNetwork communicationsInternet protocols+6
Construction Engineering

Larry W. Cormicle

President and Owner

Ames, Iowa40+ years+ yrs★ 8.6

Larry W. Cormicle, P.E. is a construction engineering expert specializing in construction defects, construction schedule delays, and construction contract disputes. With a career spanning general contracting, construction management, and real estate development, he brings a comprehensive framework to his litigation work. His work centers on investigating construction methods and means, assessing construction CPM scheduling, and evaluating whether construction industry practices meet the standard of care. Mr. Cormicle has been retained in numerous expert witness and consulting engagements throughout Iowa, involving construction defects, construction schedule delays, and construction contract disputes. His M.S. in Civil Engineering in Construction Engineering and Management, along with his certification as a Certified Instructor for the Associated General Contractors of America, Lean Construction Education Program 2.0, 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 construction engineering and management.

ConstructionConstruction ManagementReal Estate Development
Architecture

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
Professional Liability

Frederick J. Fisher, J.D., CCP

President

El Segundo, CA50+ years+ yrs★ 8.6

Frederick J. Fisher, J.D., CCP is an insurance and professional liability expert specializing in claims management, insurance broker standards of care, and bad faith claims handling. With a career spanning over five decades in professional liability, claims management, and insurance consulting, he brings a comprehensive framework to litigation work involving complex insurance disputes. His work centers on investigating claims handling practices, assessing insurance broker compliance, and evaluating whether industry standards of care have been met. Mr. Fisher has been retained in numerous expert witness and consulting engagements across the United States, involving insurance broker errors and omissions, bad faith claims handling, and professional liability disputes. His J.D. degree in Law from Lincoln University Law School, along with certifications such as Certified Claims 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 standard of care and responsibility in disputes involving insurance policy interpretation and broker compliance.

Claims ManagementInsuranceBusiness Operations+13
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