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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 631–648 of 3,373 experts

Pharmacist

Nicholas Ladikos

PharmD, FASCP, BCPS, BCGP, BCIDP

Coppell, TX★ 8.5

Nicholas Ladikos, PharmD, FASCP, BCPS, BCGP, BCIDP is a pharmacy and pharmacology expert specializing in pharmaceutical negligence and fraud litigation. With a career spanning clinical pharmacy, infectious diseases, and geriatric pharmacotherapy, he brings a multi-faceted perspective to litigation work. His work centers on investigating adverse drug reactions, assessing medication errors, and evaluating whether standards of care in pharmacy practice have been met. Mr. Ladikos has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to drug interactions, compounding, and pharmaceutical malpractice. His Doctor of Pharmacy from the University of Florida, along with certifications such as Board Certified Infectious Diseases Pharmacist (BCIDP) and Board Certified Geriatric Pharmacist (BCGP), 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 drug safety and pharmacy standards.

Geriatrics
Information Technology Director and Project Manager

Ivan Zatkovich

Intellectual Property Consulting & Patent Litigation

Tampa, FL30+ years+ yrs★ 8.5

Ivan Zatkovich is an intellectual property consulting and patent litigation expert specializing in telecommunications and internet technology patents. With a career spanning information technology management, e-commerce, and telecommunications, he brings a strategic framework to evaluating complex patent portfolios and identifying potential prior art. His work centers on investigating patent validity, assessing market valuation, and evaluating licensing opportunities. Mr. Zatkovich has been retained in numerous expert witness and consulting engagements across the United States, involving telecommunications, internet, and software disputes. His B.A. and B.S. in Computer Science, along with his M.S. in Computer Networks, and certifications as a Certified e-Commerce Solutions Expert — IBM Websphere and CMM & PMP in project management methodologies, 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 telecommunications and internet technologies.

Publishing / Content ManagementInternet and e-CommerceTelecommunications+7
Structural Engineering

Nick M. Bradford

PhD, PE SE SI LEED AP

Tampa, FL27 years+ yrs★ 8.5

Nick M. Bradford, PhD, PE SE SI LEED AP is a structural engineering expert specializing in structural failure and collapse analysis. With a career spanning structural design, forensic engineering, and building code analysis, he brings a comprehensive framework to litigation work involving complex structural issues. His work centers on investigating structural failures, assessing construction defects, and evaluating whether building codes were adhered to. Mr. Bradford has been retained in numerous expert witness and consulting engagements across the southeastern United States, involving residential, commercial, and industrial property cases. His PhD in Civil Engineering, along with certifications such as LEED AP and multiple state engineering licenses, 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 integrity and construction practices.

Construction EngineeringStructural Failure / CollapseStructural design+9
Cryptocurrency

Garren Hamilton

Cryptocurrency and Cybercrime Investigations Expert

San Francisco, CA25 years+ yrs★ 8.5

Garren Hamilton, M. Cyb, B. Com, CFE, CSS, CAMS, AFHEA is a cryptocurrency and cybercrime investigations expert specializing in cryptocurrency tracing, fraud, and complex financial investigations. With a career spanning law enforcement and private sector roles, he brings a strategic investigative framework to his litigation work. His work centers on identifying and valuing cryptocurrencies, forensic tracing of cryptocurrency transactions, and evaluating whether cryptocurrency-related fraud has occurred. Mr. Hamilton has been retained in numerous expert witness and consulting engagements across Australia, the USA, and the UK, involving cryptocurrency fraud, cybercrime, and financial investigations. His Master of Cyber Security from the University of New South Wales, along with certifications such as Certified Fraud Examiner (CFE) and Certified AML Specialist (CAMS), 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 cryptocurrency tracing and fraud.

FraudIdentifying and valuing cryptocurrenciesForensic tracing of cryptocurrency transactions+3
Architecture

Jeffrey A. Grusenmeyer, RA, NCARB

RA, NCARB

Fairview Park, Ohio40 years+ yrs★ 8.5

Jeffrey A. Grusenmeyer, RA, NCARB is an architecture and construction defects expert specializing in forensic building investigations and building code consultation. With a career spanning program management, owner consultant coordination, and project presentation, he brings a comprehensive framework to litigation work involving construction standards and architectural professional liability. His work centers on investigating construction defects, assessing building code compliance, and evaluating whether design errors have occurred. Mr. Grusenmeyer has been retained in numerous expert witness and consulting engagements throughout Ohio, Pennsylvania, West Virginia, and Michigan, involving civic, commercial, educational, and medical projects. His Professional Degree in Architecture from the University of Detroit School of Architecture, along with certifications such as NCARB Certified and Certified as a Building Official by the State of Ohio, 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 building envelope, waterproofing, and construction management.

Construction DefectsProgram managementOwner consultant coordination+20
Psychology

Deanna Foster, Ph.D.

Psychologist and President

Castle Rock, CO30 years+ yrs★ 8.5

Deanna Foster, Ph.D. is a forensic psychology expert specializing in psychological evaluations and trauma-related litigation. With extensive experience in assessing psychological disorders and organizational dynamics, she brings a nuanced understanding of psychological impacts in legal contexts. Her work centers on investigating psychological conditions, assessing trauma-related claims, and evaluating whether psychological factors influence legal outcomes. Dr. Foster has been retained in numerous expert witness and consulting engagements across the United States, involving civil litigation matters such as employment disputes, psychological injury claims, and organizational assessments. Her Doctorate in Psychology from the University of Southern California, along with certifications such as the Certified Clinical Trauma Professional (CCTP), 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 psychological disorders and trauma.

Forensic PsychologyPsychological DisordersTrauma+5
Construction Defects

Timothy M. Browne

Construction Forensics Expert Witness

Hope, Idaho35 years+ yrs★ 8.5

Timothy M. Browne is a construction forensics expert specializing in construction defect claims and insurance appraisals. With a career spanning residential and commercial construction, he brings a multifaceted perspective to litigation work, informed by his extensive hands-on trade experience and leadership roles in construction management. His work centers on investigating construction defects, assessing building code compliance, and evaluating whether standard of care deviations have occurred. Mr. Browne has been retained in numerous expert witness and consulting engagements across the United States, involving construction defect claims, contract disputes, and building code compliance issues. His education in Building Construction Management, along with certifications as a Certified Residential Building Inspector (B1), Certified Commercial Building Inspector (B2), and Certified Building Inspector (B5), 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 defects and building code compliance.

ConstructionExpert witness testimonyLitigation and insurance claim investigation+12
Traffic Engineering

Lawrence M. Levine

Consulting Engineer

Malta, New York53 years+ yrs★ 8.5

Lawrence M. Levine, P.E. is a Traffic Engineering and Accident Reconstruction expert specializing in accident investigation and reconstruction, civil engineering, and environmental impact studies. With a career spanning over five decades in civil engineering, transportation planning, and traffic engineering, he brings a multidisciplinary approach to analyzing complex accident scenarios and infrastructure issues. His work centers on investigating accident causation, assessing traffic safety measures, and evaluating whether design and construction standards have been met. Mr. Levine has been retained in numerous expert witness and consulting engagements across New York, involving traffic accident cases, civil engineering projects, and environmental impact assessments. His Bachelor of Science in Civil Engineering from Michigan State University and Master’s Degree (MTE) in Civil Engineering from Rensselaer Polytechnic Institute, along with certifications such as NYS and NJ Professional Engineer Licenses and NYSTARS, 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 traffic accidents, structural failures, and safety compliance.

Accident ReconstructionCivil EngineeringEnvironmental Impact Studies
AI Expert

Randy Winters

Expert Witness

Saint George, Utah47 years+ yrs★ 8.5

Randy Winters, SRVB is a technology and patent infringement expert specializing in complex litigation involving AI, machine learning, and software engineering. With a career encompassing technical management, patent drafting, and AI development, he brings a multifaceted perspective to litigation work. His work centers on investigating patent claims, assessing software engineering practices, and evaluating whether AI systems meet industry standards. Mr. Winters has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile technology cases with companies like Apple, Samsung, and Google. His Master’s Degree in Software Engineering from Carnegie Mellon University, along with his extensive patent 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 claim construction and infringement in disputes involving AI and software technologies.

ChatGPTBiometric PrivacyBIPA+19
Dram Shop & Alcohol Services

Patrick Maroney

President

Johnstown, CO33 years+ yrs★ 8.5

Patrick Maroney is a Dram Shop & Alcohol Services expert specializing in dram shop liability and alcohol beverage law. With a career spanning law enforcement, liquor regulation, and compliance training, he brings a regulatory and enforcement perspective to litigation work. His work centers on investigating compliance with liquor laws, assessing liability in dram shop cases, and evaluating whether industry standards were met. Mr. Maroney has been retained in numerous expert witness and consulting engagements across Colorado, involving dram shop liability, liquor compliance, and alcohol-related accidents. His Bachelor of Science (B.S.) in Criminal Justice, along with Colorado P.O.S.T. 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 alcohol service and compliance.

Aquatics Safety

Andrew Schmidt

DO, MPH

Jacksonville, Florida19 years+ yrs★ 8.5

Andrew Schmidt, DO, MPH is an aquatics safety and emergency medicine expert specializing in drowning physiology, rescue, and resuscitation. With a career spanning emergency medicine, aquatics safety, and wilderness medicine, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating drowning incidents, assessing rescue and resuscitation protocols, and evaluating whether standard of care was met in emergency medical situations. Mr. Schmidt has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to drowning incidents, emergency medical services, and water safety protocols. His Doctor of Osteopathic Medicine and Master of Public Health, along with certifications such as American Board of Emergency Medicine board certification and American Red Cross Advanced Life Support Instructor, 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 drowning and emergency medical care.

Emergency MedicineDrowning physiologyRescue and resuscitation
Architecture

William N. Bernstein

President

New York, NY43 years+ yrs★ 8.5

William N. Bernstein, AIA, NCARB, LEED®AP is an architecture and construction expert specializing in standard of care and premises liability litigation. With a career encompassing architecture, engineering, and project management, he brings a multifaceted perspective to his litigation work. His work centers on investigating architectural and engineering standards, assessing construction compliance, and evaluating whether industry norms have been adhered to. Mr. Bernstein has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving medical office buildings, hospitals, hotels, and residential properties. His Master of Architecture from Yale University, along with certifications such as LEED®AP, 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 architecture and construction.

ConstructionEngineeringProject Management+1
Insurance

Collin J. Hite

Insurance Consultant

Richmond, VA33 years+ yrs★ 8.5

Collin J. Hite is an insurance bad faith and claims handling expert specializing in litigation strategy and coverage disputes. With a career spanning senior-level roles in insurance law, regulatory compliance, and litigation management, he brings a strategic perspective to analyzing complex insurance disputes. His work centers on investigating claims handling practices, assessing coverage interpretations, and evaluating whether industry standards were met. Mr. Hite has been retained in numerous expert witness and consulting engagements across the United States, involving commercial liability, property and automobile, cyber liability, and broker and agent standards. His Juris Doctor in Law from Southern Methodist University Dedman School of Law, along with certifications in Cyber Risk Management and E-Discovery Executive Specialist, 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 insurance bad faith and claims handling standards.

Commercial LiabilityProperty and AutomobileCyber Liability+7
Slip Trip & Fall

David M. Gill

CFSE, WACH

Fort Lauderdale, FL16 years+ yrs★ 8.5

David M. Gill, CFSE, WACH is a walkway safety expert specializing in slip-and-fall and trip-and-fall prevention litigation. With a career encompassing consultancy with property owners, managers, engineers, and design professionals, he brings a comprehensive understanding of environmental surface requirements and safety protocols to his litigation work. His work centers on investigating slip resistance testing, assessing visual warning placements, and evaluating whether flooring maintenance protocols meet safety standards. Mr. Gill has been retained in numerous expert witness and consulting engagements across the United States, involving premises liability and walkway safety cases. His B.S. in Textile Management & Marketing, along with certifications such as Walkway Auditor Certificate Holder (WACH) and Certified Forensic Slip Expert (CFSE), 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 dynamic coefficient of friction and walkway safety.

Premises Liability
Software Engineering

Scott Ruthfield

Founder/CEO

Seattle, WA25+ years+ yrs★ 8.5

Scott Ruthfield is a software engineering and technology development expert specializing in software engineering best practices, software consulting expectations and deliverables, and information technology staffing. With a career spanning leadership roles in software engineering, technology development, and IT staffing services, he brings a strategic perspective to litigation work. His work centers on investigating software engineering processes, assessing consulting deliverables, and evaluating whether IT staffing meets industry standards. Mr. Ruthfield has been retained in numerous expert witness and consulting engagements across the United States, involving cases in software engineering, IT staffing, and technology consulting. His Master of Computer Science from Rice University, along with his extensive experience in software engineering and consulting, 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 complex software and system design.

InternetSoftware engineering best practicesSoftware consulting expectations and deliverables+10
Economics

David A. Macpherson

E.M. Stevens Professor of Economics

San Antonio, TX36 years+ yrs★ 8.5

David A. Macpherson, Ph.D. is an economics and labor market expert specializing in economic damages and labor economics litigation. With a career spanning labor economics, business damages, and labor market analysis, he brings a nuanced understanding of economic principles to litigation work. His work centers on investigating economic damages, assessing labor market impacts, and evaluating whether economic losses align with industry standards. Mr. Macpherson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to labor economics, business damages, and employment discrimination. His Ph.D. in Economics from The Pennsylvania State University, along with his extensive publication 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 economic damages in disputes involving labor market dynamics and business interruptions.

Business DamagesLabor EconomicsLabor Market Aspects of Pensions+4
Plumbing

Kevin Hastings

P.E.

San Diego, CA24 years+ yrs★ 8.5

Kevin Hastings, P.E. is an HVAC and plumbing systems expert specializing in forensic consulting and product testing and analysis. With a career spanning HVAC systems, plumbing systems, and fire protection systems, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating system failures, assessing construction defects, and evaluating whether industry standards have been met. Mr. Hastings has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, industrial, and residential construction defect cases. His Bachelor of Science in Mechanical Engineering, along with certifications such as Certified in Plumbing Design and Certified Fire Protection Specialist, 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, plumbing, and fire protection systems.

HVACHVAC systemsPlumbing systems+3
Programming languages and platforms: Java, C/C++, C#, Perl, Python, PHP, .NET, WinForms, WPF, Eclipse, Visual Studio, Java EE, CORBA

George Edwards

President & Principal Computer Scientist

Los Angeles, CA21 years+ yrs★ 8.5

George Edwards, PhD is a computer science expert specializing in software-related litigation. With a career encompassing software analysis, intellectual property evaluation, and advanced analytic techniques, he brings a multifaceted perspective to litigation work. His work centers on investigating software failures, assessing intellectual property portfolios, and evaluating whether software designs infringe on existing patents. Mr. Edwards has been retained in numerous expert witness and consulting engagements across the United States, involving cases of patent and copyright infringement, theft of trade secrets, and breach-of-contract. His Ph.D. in Computer Science, along with his extensive experience in software engineering and intellectual property analysis, 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 software and technology systems.

Internet and web: JavaScript, AJAX, Node.js, Ruby, HTML, XML, CSS, ASP.NETMobile devices and applications: Android, iOS, iPhone, Windows Mobile, Windows Phone, BlackBerry, Palm OS, Java MEMultimedia: MPEG, SVG, DVR, Silverlight, Flash+4
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