Data Analysis Expert Witnesses

Data analysis expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on data analysis. The data analysis expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Artificial Intelligence, Automotive Engineering, Aviation & Aerospace, Behavioral and Social Sciences, Epidemiology, Infectious Diseases, Information Technology, Law Enf & Criminal Justice, Medical Billing, Medical Coding, Nuclear Engineering, Pharmaceutical Research, Police Practices & Procedures, and Public Health.

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Lawrence S Mayer, MD, MS, PhD

Epidemiology & Public Health - Emeritus Professor

Lawrence Mayer, MD, MS, PhD

Laguna Beach, California
Epidemiology, Public Health - Biostatistics, Statistics, Causality, Study Design, Model Evaluation, Malpractice, Toxic Torts, Patent Disputes, Covid-19, Statistical Models, Data Analysis, Covid-19
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David A Kitzenberg, MD, PhD

Life Sciences and Medical Consultant

Kitz Consulting LLC

Denver, Colorado
Pharmaceutical Research, Infectious Diseases - Molecular biology, Microbiology, Science, Scientific research, Life Sciences, Drug development, Medicine, Literature review, Bacteria, Fungus, Medical chart review, Data analysis, Scientific advisor, Medical scientist, Biotech, Startup, Biomedical, infection
Education M.D. - University of Colorado School of Medicine Ph.D. - Molecular Biology, University of Colorado Anschutz Medical Campus B.A. - Summa cum laude Integrative Physiology, University of Colorado Boulder Awards Catalyst Awardee, National Academy of Medicine, Healthy Longevity Global Competition Molecular Pathogenesis of Infectious Diseases National Institute of Allergy and Infectious Diseases T32 Awardee Sobel Scholar, American Society for Investigative Pathology Howard Hughes Medical Institute Undergraduate Research Awardee I have spent the past 15 years immersed in science and medicine, building expertise across both research and clinical disciplines. Throughout my training, I developed the ability to analyze complex subjects and translate them into clear, actionable insights for diverse audiences. I take pride in making technical material accessible and useful, helping clients understand and apply complex information with confidence. My consulting career began as a scie...
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Marjorie Hackett-Wallace, CFE, RHIA, CHC, CPIP, CPC, CPMA, CDEO, AAPC Fellow

Medical Billing, Coding and Documentation Expert

New Britain, Connecticut
Medical Billing, Medical Coding - Medical Records Review, Provider Documentation, Medicaid/Medicare, State Regulations/Statutes, Federal Regulations/Statutes, Regulatory Compliance, Healthcare Fraud Investigation, Data Analysis, Data Mining, Payment Integrity, False Claims Act, Fraud Waste and Abuse, Provider Billing Verification
Revenue Integrity and Healthcare Compliance leader with over 18 years of experience in medical auditing, coding, billing, and regulatory compliance. Currently serving as Revenue Integrity Manager at Connecticut Children’s, where I lead initiatives to safeguard revenue integrity, ensure compliance with federal and state regulations, and proactively mitigate organizational risk. Holding certifications as a CPC, CPMA, CDEO, CHC, and CFE, I bring deep expertise in healthcare compliance, risk assessment, fraud prevention, and data analysis. Recognized for driving process improvements, strengthening internal controls, and enabling healthcare organizations to optimize operations while maintaining the highest standards of billing accuracy, compliance, and ethical practice.
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Sean E Richey, Ph.D

AI, Social Media & Survey Methodology Expert

Georgia State University

Atlanta, Georgia
Artificial Intelligence, Behavioral and Social Sciences - AI, Defamation, Online Harassment, Statistical Analysis, Sampling Bias, Polling Methodology, Survey Design, Survey Validity, Polling Methodology, Social Media, Political Advertising, Cyberbullying, Conspiracy Theories, Political Communication, Election Disputes, First Amendment, Vaccine Hesitancy, LLM, Measurement Error, Data Analysis
Sean Richey, Ph.D., is a Full Professor of Political Science at Georgia State University specializing in artificial intelligence information environments, survey methodology, public opinion analysis, and digital communication effects. He has authored seven books and more than thirty peer-reviewed articles examining how individuals form beliefs, how information environments influence attitudes, and how research design affects measurement validity. AI and Digital Communication: His recent research includes experimental studies comparing ChatGPT to traditional search engines for political learning, analysis of how large language models affect conspiracy beliefs, and assessment of AI-generated content credibility. He evaluates how exposure to AI systems, algorithmic curation, and social media platforms influences perception and behavior in applied contexts. Survey Research and Polling: Dr. Richey has extensive experience in survey design, sampling methodology, questionnaire constructi...
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Chief Chet Epperson (Ret.), M.B.A.

Law Enforcement Policy Practice Expert

AGR Police Practice Group, LLC

Rockford, Illinois
Police Practices & Procedures, Law Enf & Criminal Justice - Use of Force, Police Shootings, Officer-Involved Shooting, Excessive Force, Wrongful Conviction, Risk Management, Police Complaint Investigation, Deadly Force, Internal Investigation, Police Policy Practices, Police Tactics, Arrest, Police Pursuits, Brady Issues, Mentoring, Author, Mental Health, Training, NIBRS, Data Analysis
Experienced 44-year police professional in areas of use of force, internal affairs, officer-involved shootings, supervision, wrongful convictions, practice, policy, discipline, mental health, auditing, staffing analysis, organizational assessments, investigations, and training. 34 years as an active law enforcement officer and ten of those years as chief of police of a 340 sworn/ non-sworn municipal police department. On-going experience for the past 9-years as a police practice consultant providing Federal Court-Appointed expertise in police Consent Decrees and a United States Department of Justice Civil Rights Division Police Consultant regarding police use of force. Expert in applying constitutional standards, state law, policy, practice, and training to police incidents. Retained in plaintiff and defense litigation incidents. Court approved expert in state and federal civil/ criminal trials. Court approved in the U.S. Virgin Islands, Louisiana, New Mexico, Illinois, Iowa, and...
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Shawn P. Capser, PhD, PE, PStat, CRE

Statistical, Reliability, and Warranty Analyses

Praxis Reliability Consulting

Monroe, Michigan
Statistics, Automotive Engineering - Sampling, Statistical Analysis, Data Analysis, Reliability, Warranty Analysis, Regression, Categorical Data Analysis, Forecasting, Modeling, Quality, Statistical Process Control, Process Capability, Mathematical Statistics, Probability, Automotive Warranty, Supplier Quality
Dr. Capser is an expert witness in areas of statistical and reliability methods. His focus is on product and process quality, reliability, warranty, and product risk assessments. Areas of interest include, but are not limited to, statistical inference, statistical modeling and regression, categorical data analysis and logistic regression, survival analysis, component and system reliability analysis, warranty analysis, customer usage analysis and profiling, reliability modeling and simulation, probabilistic assessment of ‘at-risk’ failures, process capability, statistical process control, forecasting, and sampling. Education: - Doctor of Philosophy in Engineering, University of Toledo (Ohio) - Master of Science in Statistics, University of Toledo (Ohio) - Master of Science in Industrial and Systems Engineering, University of Michigan (Dearborn) - Master of Science in Mechanical Engineering, University of Toledo (Ohio) Licenses / Certifications: - ASA Accredited Professional St...
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Maryam Vatankhah, PhD

AI & Machine Learning Expert Witness

AiTech Space

Fair Lawn, New Jersey
Artificial Intelligence, Information Technology - Generative AI, NLP, AI, Machine Learning, Data Analysis, Deep Learning, Neural Networks, Data Pipeline Architecture, Cloud AI Service, Healthcare AI, HIPPA, Electronic Health Records, FHIR, Digital Health, AI Privacy, AI Transparency, AI Regulatory Compliance, AI System Audit, Data Breach Analysis, Data Process Analytics
Dr. Vatankhah is an Artificial Intelligence, Machine Learning, and Data Analysis expert with over 15 years of experience designing, building, and auditing AI systems across healthcare, enterprise software, and consumer technology. She holds a PhD in Biomedical Engineering and an MS in Computer Science, and is certified in Azure AI by Microsoft. Dr. Vatankhah served as Assistant Professor of Computer Information Systems at higher education universities and is the Founder and CEO of AiTech Space, an AI consulting firm serving enterprise clients in healthcare, supply chain, and IT operations. She is available to serve as an expert witness in matters involving: - AI System Disputes— evaluating whether an AI system performed as represented, including failure analysis, output accuracy, and system behavior under specific conditions - Data Analysis & Statistical Evidence— analyzing datasets, identifying patterns, validating or challenging data-driven conclusions, and presenting complex quan...
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Alexei V Klimenko, PhD

Expert Witness on Nuclear and Space Systems

Santa Fe, New Mexico
Nuclear Engineering, Aviation & Aerospace - Satellite Instrumentation, Radiation Effects, Radiation Sensors, Satellite Conjunction, Data Analysis, Radiological Materials, Radiological Contamination, Fissile Material, Intellectual Property, Satellite Systems, Radiography, Non-Intrusive Inspection, Non-Destructive Assay, Gamma Ray, Neutron, X-Ray, Charged Particle
I am a Ph.D. physicist with over 15 years of national laboratory experience, specializing in radiation detection, space-based systems, and high-consequence engineering programs supporting nuclear security and defense. I leverage this expertise to serve as an expert witness and consultant, providing testimony on issues like radiation exposure, radiological contamination, sensor system performance, and quality assurance failures within the nuclear, aerospace, and defense sectors. My goal is to translate complex technical systems into clear, defensible insights that support litigation, investigations, and regulatory decision-making. Practice Areas - Radiation & Nuclear Technology Patent disputes involving nuclear systems, radiation measurement, or sensor technologies Radiation exposure assessment (occupational, medical, or accidental) Radiological contamination investigations and response Forensic analysis of nuclear and radiological materials Environmental and workplace dose assessm...
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Joseph C Sremack, CISA, CFE, CIPP/US

Forensic AI, Software & Data Analysis

CBIZ

New York, New York
Artificial Intelligence, Software Engineering - data analysis, data science, source code analysis, patent infringement, natural language processing, class action certification, GIS and geospatial data, artificial intelligence, systems controls, data privacy, model analysis, LLM, Python, Java, neural networks, trade secrets, deepfake detection, computer vision, machine learning, SQL
Joe Sremack is a forensic technology expert with more than two decades of experience in complex data, software, and artificial intelligence analysis for high-stakes legal matters. As Practice Leader of CBIZ's Forensic Data Analytics and Technology division, he has served as consultant and testifying expert in over 500 engagements across state and federal courts, international arbitrations, and regulatory proceedings in numerous countries. Mr. Sremack is the author of AI Forensics: Investigation and Analysis of Artificial Intelligence Systems (Chapman & Hall, March 2026) and Big Data Forensics (Packt Publishing, 2015). He is a frequent speaker on AI forensics, source code analysis, and data analytics at legal and industry conferences. His technical expertise spans artificial intelligence system examination (including large language models, generative AI, and machine learning pipelines), deepfake and synthetic media authentication, proprietary source code analysis, advanced data ana...
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Alan J Salzberg, Ph.D.

Ph.D. in Statistics from Univ. of Pennsylvania

Alan Salzberg

Brooklyn, New York
Statistics - statistics, statistical sampling, data analysis, predictive modeling, statistical estimates, unbiased estimation, fraud detection, large databases
Alan Salzberg is Senior Statistician and Principal of Salt Hill. His focus is statistical analysis, sampling, estimation, and modeling, especially using large or complex datasets. Many of Dr. Salzberg's consulting projects and research papers have related to the detection and measurement of bias. He has testified as an expert witness in statistics in federal and state court on multiple occasions. Prior to joining Salt Hill, Alan was CEO of Analysis & Inference. He has also held positions in KPMG’s Economic Consulting group and at Morgan Stanley. Dr. Salzberg holds a Ph.D. in Statistics from the Wharton School of the University of Pennsylvania, where he also received a Bachelor of Science in Economics.
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Kevin W. Forcier, SR

4CA Consulting & Reconstruction LLC

Venango, Pennsylvania
Accident Reconstruction - Light Trucks, Passenger Vehicles, Pedestrian/Bicycle, Motorcycle Reconstruction, Crash Data Retrieval, Data Analysis, Occupant Injury Kinematics, Time distance, drag factor with use of Vericom Vehicle Computer and V-Box Systems, Traffic Studies and scene reproduction with FARO Zone 3D and Reality
Actar Certification 2054. 25 years crash investigation experience with the Pennslyvania State Police, retired April 2010 as a full-time Collision Analysis and Reconstruction Specialist with the rank of Corporal. I was responsible for 3373 square miles & over 470,000 residents of North-West PA. Qualified as an expert witness in Crash Reconstruction at various levels from Depositons to Homicides 50+ times since 1990. Owner and Reconstruction Specialist for 4CA Consulting & Reconstruction LLC, 2009 to present. Member in good standing of numerous professional crash organizations. Certified in the Operation of the Bosch Crash Data Retrieval System and current to latest version and vehicle model year. Tesla EDR System to available May 2018. Scene documentation is provide by the use of digital photographs as well as the use of a Leica MS50 Scanning Multi-Station. The data collected with the MS50 is then used to reproduce acurate scene diagrams, animations and simulations to clea...
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Bryan L Dodson

Quality & Reliability Engineering Expert

THE WOODLANDS, Texas
Risk Management, Statistics - Reliability, Quality, Automotive, Chemicals, Lean, Manufacturing, Warranty, Aluminum, Systems Engineering, Failure Analysis, Inventory, Product Development, Data Analysis, Design Verification, FRACAS, FMEA, Product Design, Database, Six Sigma, Optimization
Employment SKF - Senior Director Quality Systems and Transformation Collins & Aikman - Senior Director Corporate Quality & Continuous Improvement Visteon - Associate Director Quality & Reliability Engineering and Senior Technical Fellow Continental Teves - Manager Reliability Engineering & Quality Information Systems Alcoa - Reliability Leader & Technical Quality Consultant Morton Thiokol – Industrial Engineer Licenses & Certifications Professional Engineer – Michigan Six Sigma Master Black Belt Design for Six Sigma Master Black Belt Lean Six Sigma Master Black Belt Awards Distinguished Alumni Louisiana Tech University Society of Automotive Engineers Forest R. McFarland Award for Technical Leadership Fellow – American Society for Quality Fellow – Society of Automotive Engineers Publications Developer of NASA’s standard reliability life data software Dodson, Bryan, Pat. Hammett and Rene, Klerx, Probabilistic Design for Optimization and Robustness for Engineers, John Wiley & Sons,...