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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 523–540 of 3,373 experts

Marketing

Larry Steven Londre

Senior Marketing & Advertising Consultant

Los Angeles, CA50 years+ yrs★ 8.6

Larry Steven Londre, MBA, CFLC is a marketing and advertising expert specializing in litigation involving advertising practices, intellectual property, and unfair competition. With a career spanning marketing strategy, brand integrity, and forensic marketing, he brings a comprehensive framework to his litigation work. His work centers on investigating deceptive advertising, assessing breaches of contract, and evaluating trademark infringements. Mr. Londre has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to marketing, advertising, and business practices. His Master of Business Administration in Marketing from the University of Southern California, along with his Certified Forensic Litigation Consultant (CFLC) 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 advertising and marketing practices.

AdvertisingBusiness DevelopmentSales+3
Engineering

John H. Hamilton

MSME, PE

Mountainburg, AR33 years+ yrs★ 8.6

John H. Hamilton, MSME, PE is a mechanical engineering expert specializing in product liability, patent, and occupational safety litigation. With a career spanning engineering education, consulting, and industrial safety, he brings a comprehensive understanding of mechanical systems and safety protocols to his litigation work. His work centers on investigating equipment failures, assessing compliance with safety standards, and evaluating whether proper machine guarding and lockout-tagout procedures were followed. Mr. Hamilton has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to machinery safety, industrial accidents, and product defects. His Master of Science in Mechanical Engineering in Thermal Systems, along with his Professional Engineer license in Arkansas, 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 safety compliance.

Mechanical Engineering
Toxicology

Richard Stripp, Ph.D.

Forensic Toxicologist

Huntington, NY40 years+ yrs★ 8.6

Richard Stripp, Ph.D. is a forensic toxicology expert specializing in litigation involving toxicological assessments and pharmacological evaluations. With a career spanning toxicology, pharmacology, and forensic science, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating toxicological impacts, assessing pharmacological interactions, and evaluating whether substances contributed to legal disputes. Mr. Stripp has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to drugs of abuse, DUI/DWI, and toxic chemical exposure. His Ph.D. in Pharmacology & Toxicology, along with his Laboratory Director Certificate of Qualification, 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 toxicology.

PharmacologyForensic ToxicologyClinical Toxicology
Employment and Vocational Rehabilitation

Beth B. De Lima

Human Resource Management / Vocational Rehabilitation Counselor

Chicago, IL33 years+ yrs★ 8.6

Beth B. De Lima, MBA, SPHR-CA, SHRM-SCP is a Human Resource Management and Vocational Rehabilitation expert specializing in employment regulation compliance and vocational rehabilitation litigation. With a career encompassing the development and implementation of HR programs and policies, she brings a comprehensive framework for analyzing compliance with federal and state employment legislation. Her work centers on conducting vocational assessments, evaluating ADA accommodation processes, and assessing compliance with employment laws. Ms. De Lima has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to ADA/FEHA, FMLA/CFRA, and wrongful termination. Her Master of Business Administration in Organization Behavior & Human Resource Computer Technology Integration, along with certifications such as SHRM Senior Certified Professional and SPHR-CA, 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 vocational rehabilitation.

Human Resource ManagementVocational Rehabilitation
Medical Devices

J. Lawrence Stevens, RAC

FDA Device Expert

East Alton, IL44 years+ yrs★ 8.6

J. Lawrence Stevens, RAC is an FDA regulatory compliance expert specializing in the regulation of medical devices. With extensive experience in FDA field positions and industry roles, he brings a comprehensive understanding of regulatory frameworks and quality systems to his litigation work. His work centers on investigating FDA compliance issues, assessing regulatory submissions, and evaluating whether quality systems meet international standards. Mr. Stevens has been retained in numerous expert witness and consulting engagements across the United States, involving medical device regulation and compliance cases. His Bachelor of Arts in Biological Sciences, along with his Certified in Regulatory Affairs (RAC) 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 regulatory compliance in disputes involving FDA medical device regulations.

Biomedical EngineeringFDA Regulatory ComplianceMedical Device Quality Systems+4
Automotive

Neil Thomas

Master Appraiser

Beverly Hills, CA37 years+ yrs★ 8.6

Neil Thomas, Master Appraiser is an automotive appraisal expert specializing in diminished value and total loss settlements. With a career spanning vehicle appraisal, classic car restoration, and insurance dispute resolution, he brings a nuanced understanding of vehicle valuation and authenticity to litigation work. His work centers on investigating vehicle authenticity, assessing diminished value claims, and evaluating whether total loss settlements adhere to industry standards. Mr. Thomas has been retained in numerous expert witness and consulting engagements throughout Southern California, involving classic car appraisals, insurance disputes, and vehicle valuation cases. His Master Appraiser designation from the International Automobile Appraisers Association, along with certifications in Uniform Standards of Automotive Appraisal Procedures and Diminished Value Parts 1-12, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of valuation and authenticity in disputes involving classic and exotic vehicles.

Appraisal & ValuationVehicle AppraisalClassic Cars+2
Electricity

H. Landis “Lanny” Floyd II

Electrical Safety, Accident & Injury Expert

Elkton, MD45+ years+ yrs★ 8.6

H. Landis “Lanny” Floyd II, PE, CSP, CMRP, CRL, CESCP, Life Fellow IEEE is an Electrical Safety, Accident & Injury Expert specializing in occupational electrical injuries and industry standards compliance. With a career spanning electrical safety management, workforce development, and operational excellence, he brings a strategic perspective to litigation work. His work centers on investigating electrical incidents, assessing compliance with safety standards, and evaluating whether safety management systems meet regulatory requirements. Mr. Floyd has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electrical safety, workplace injuries, and compliance with industry standards such as NEC and NFPA70E. His BSEE in Electrical Engineering from VA Tech, along with certifications such as Certified Safety Professional and Certified Electrical Safety Compliance 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 electrical safety and compliance.

SafetyOccupational Electrical InjuriesIndustry Standards, including NEC, NFPA70E, NESC+8
HVAC & Mission-Critical Systems

Tyler G. Colwell

Licensed Mechanical Engineer

Reno, Nevada35+ years+ yrs★ 8.6

Tyler G. Colwell, P.E. is a mechanical engineering expert specializing in HVAC and mission-critical systems, forensic engineering, and machinery failure analysis. With a career spanning HVAC design, mission-critical facilities infrastructure, and forensic diagnostics, he brings a first-principles analytical framework to litigation work. His work centers on investigating HVAC failures, assessing code compliance, and evaluating machinery diagnostics. Mr. Colwell has been retained in numerous expert witness and consulting engagements across the United States, involving data center cooling, code compliance disputes, and machinery diagnostics. His Bachelor of Science in Mechanical Engineering from Cal Poly State University, along with his Professional Engineer license in Nevada and NCEES Record, 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 HVAC systems and mission-critical infrastructure.

Forensic EngineeringMachinery Failure AnalysisCode Compliance+2
Human Resources

Laura Ingegneri

Human Resources Executive

Mesa, Arizona30+ years+ yrs★ 8.6

Laura Ingegneri, SPHR, PSHRA-SCP, SHRM-SCP is a Human Resources expert specializing in employment issues and workplace investigations. With a career spanning public sector human resources management, recruitment, and employee relations, she brings a strategic and comprehensive perspective to her litigation work. Her work centers on investigating workplace misconduct, assessing compliance with employment laws, and evaluating whether organizational policies were properly implemented. Ms. Ingegneri has been retained in numerous expert witness and consulting engagements across the United States, involving complex human resource issues in public sector and government settings. Her Bachelor’s Degree in Business Administration, along with her Senior Professional in Human Resources Certification (SPHR), Public Sector Human Resources Association's Senior Certified Professional (PSHRA-SCP), and Society for Human Resource Management's Senior Certified Professional (SHRM-SCP), reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving employment practices and workplace policies.

EmploymentRecruitmentAssessment+14
Metals & Manufacturing Expertise

David “Mac” McCracken

Steel and Specialty Metals Manufacturing Expert / Expert Witness

Houston, TX★ 8.6

David “Mac” McCracken, CMI/CQI is a metals manufacturing expert specializing in supplier quality engineering and inspection. With extensive experience across metals mills and metalworking operations, he brings a comprehensive understanding of the manufacturing processes and quality management systems critical to litigation work. His work centers on investigating manufacturing defects, assessing supplier quality compliance, and evaluating whether industry standards were adhered to in complex engineering disputes. Mr. McCracken has been retained in numerous expert witness and consulting engagements across the United States, involving aerospace, automotive, and nuclear industries. His education in Materials Science & Metallurgy, Physics, along with certifications such as Certified Mechanical Inspector (CMI) and Certified Quality Inspector (CQI), 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 metals manufacturing and quality assurance.

Quality ManagementInspection / Testing / Calibration
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
Special education advocacy

Dr. Steve C Imber, LLC

Special Education Expert

Fresh Meadows, NY48 years+ yrs★ 8.6

Dr. Steve C Imber, LLC is a special education expert specializing in special education advocacy and consultation for children with disabilities. With a career spanning nearly five decades, he brings a nuanced understanding of the educational and psychological needs of children with disabilities to his litigation work. His work centers on investigating compliance with the Americans with Disabilities Act (ADA), assessing educational accommodations, and evaluating whether educational institutions meet required standards for children with disabilities. Dr. Imber has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to the Americans with Disabilities Act, disability rights, and educational institutions. His doctoral degree from the Department of Educational Psychology with a focus on Emotional and Behavior Disorders at the University of Connecticut, along with certifications as a teacher of children and adolescents with disabilities, a school psychologist, and an administrator of special education, 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 special education and disability accommodations.

Consultation for children with disabilities
Intellectual Property

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
Engineering

Donald Hopkins, Jr., P.E., FSFPE

Forensic Services & Litigation Support

Belcamp, MD32 years+ yrs★ 8.6

Donald Hopkins, Jr., P.E., FSFPE is a fire protection engineering expert specializing in forensic analysis and origin and cause analysis. With a career encompassing fire protection system design, code compliance, and standards development, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating fire-related incidents, assessing fire protection system failures, and evaluating whether code compliance was achieved. Mr. Hopkins has been retained in numerous expert witness and consulting engagements across the United States, involving complex fire protection cases and system design disputes. His M.S. in Fire Protection Engineering, along with his registration as a Professional Fire Protection Engineer 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 code compliance.

FireForensic analysisOrigin and cause analysis+3
Civil Engineering

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
Equipment & Machinery

Karl L. Linck

PE

Kohler, WI57 years+ yrs★ 8.6

Karl L. Linck, PE is a food process engineering expert specializing in packaging and processing equipment and systems litigation. With a career spanning technical consulting, engineering management, and industry-specific compliance, he brings a multifaceted perspective to legal matters involving food industry operations. His work centers on investigating equipment performance, assessing compliance with sanitary standards, and evaluating whether contract performance obligations have been met. Mr. Linck has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the food processing and packaging industries. His MS in Engineering Management, along with his Professional Engineer certifications in WI, IL, AZ, CA, FL, and ID, 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 food process engineering and equipment compliance.

Food
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
Roadway Hydroplaning Analysis

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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