Andrea E. Holmes, PhD
Scientific Expert Witness • Analytical Chemist • Professor
Dr. Andrea E. Holmes is a chemist, professor, researcher, author, and scientific expert witness whose work focuses on analytical chemistry, controlled substances, cannabis science, forensic testing methodologies, and regulatory interpretation. Through Holmes Research Group, she provides independent scientific analysis, expert witness services, technical review, and strategic advisory support in matters involving complex scientific evidence and regulatory issues.
As a Professor of Chemistry and published author, Dr. Holmes brings a unique combination of academic rigor, practical scientific expertise, and the ability to communicate complex technical concepts clearly to attorneys, judges, juries, regulators, and decision-makers. Her work is grounded in objective scientific principles, evidentiary discipline, and careful review of the underlying facts and data.
Dr. Holmes has extensive experience evaluating laboratory methodologies, testing procedures, analytical results, scientific literature, and regulatory frameworks. She works with legal teams, organizations, and policymakers to provide clear, defensible scientific analysis in matters where technical accuracy is critical.
Areas of Expertise
Analytical Chemistry
Cannabis & Hemp Science
Controlled Substances
Forensic Drug Testing Methodologies
Laboratory Testing Procedures
Scientific Evidence Evaluation
Regulatory Interpretation
Product Classification
Scientific & Technical Analysis
Technical Litigation Support
Expert Witness Services
Dr. Holmes provides scientific support and expert witness services in matters involving:
Scientific evidence review
Expert reports
Sworn affidavits
Depositions
Trial preparation
Court testimony
Regulatory proceedings
Administrative matters
Technical consulting
Independent scientific analysis
Her approach emphasizes clarity, objectivity, scientific accuracy, and effective communication of complex technical issues.
Academic & Professional Background
Dr. Holmes serves as a Professor of Chemistry and has dedicated her career to scientific research, education, and analytical problem solving. Her work has included peer-reviewed publications, scientific presentations, technical consulting, and interdisciplinary research spanning chemistry, analytical methods, and emerging regulatory issues.
She is the author of multiple books and numerous scientific publications and has contributed to advancing understanding in areas related to analytical chemistry and cannabis science.
Representative Areas of Engagement
Cannabis and hemp product analysis
Laboratory methodology review
Scientific evidence evaluation
Controlled substance matters
Regulatory interpretation and compliance
Drug testing procedures
False positive and false negative analysis
Technical review of analytical methods
Product classification issues
Emerging industry regulatory challenges
Publications & Research
Dr. Holmes has authored multiple books, peer-reviewed publications, and technical presentations addressing chemistry, analytical methodologies, cannabis science, and related scientific disciplines.
For a complete list of publications, presentations, appointments, and academic accomplishments, please view her Academic CV.
Expert Witness Credentials
Dr. Holmes provides independent scientific expertise for attorneys, organizations, and decision-makers facing complex technical, scientific, and regulatory questions.
Contact
For inquiries regarding expert witness services, scientific analysis, litigation support, regulatory matters, or professional collaboration, please contact Holmes Research Group.
