Cannabis Expert Witnesses in Pennsylvania

STROUDSBURG, Pennsylvania

Addiction Medicine, Family Medicine - Opioids, Alcohol, Addiction Medications, Withdrawal Management, Detoxification, Methamphetamine, DUI, Drug Testing, Toxicology, ASAM Criteria, Buprenorphine, Overdose, Impaired Physicians, Standards of Care, Residential Care, Cannabis, Gambling & Behavioral Addictions, Drug & Alcohol Treatment, Addiction Treatment, Naltrexone

Dr. Joseph Valdez is a board-certified physician in both Family Medicine and Addiction Medicine with over a decade of clinical, academic, and leadership experience. He currently serves as Program Director of the ACGME-accredited Addiction Medicine Fellowship at Geisinger Health System and is a Clinical Assistant Professor at the Geisinger Commonwealth School of Medicine. Dr. Valdez has extensive experience in outpatient addiction treatment, medication-assisted therapy, and the integration of addiction services into primary care. He has led clinical teams at ASAM levels 3.7 (medically managed inpatient), 2.5 (partial hospitalization program) and 1.7 (medically managed outpatient). His expertise spans the evaluation and treatment of substance use disorders, opioid & alcohol pharmacology, withdrawal management, and the neurobiology of addiction. He has served in leadership roles across multiple institutions, developed curricula, and contributed to national conversations on addiction ...

Meadowbrook, Pennsylvania

Substance Abuse, Cannabis - Employment Drug Testing, Workplace Safety, DOT Compliance, Drug Testing Regulations, Cannabis Testing, Occupational Health, Urinalysis, Alcohol Testing, Oral Fluid Testing, SAMHSA Compliance, Substance Testing Regs, Drug Lab Analysis, State Cannabis Regulations, Drug Testing Laws, Impairment, Saliva Testing, Marijuana, Drug Screen

Leading substance abuse industry drug and alcohol testing authority with over 30 years of industry experience, serving as an expert witness, litigation consultant, and policy advisor in matters involving workplace drug testing, impairment assessment, and regulatory compliance. Proven expertise in federal regulations and state drug testing law, including DOT, SAMHSA, ADA, cannabis, and state-specific laws. Extensive background in designing compliant, defensible testing programs, and providing authoritative opinions involving wrongful termination, discrimination, and workplace safety claims. Skilled in translating complex scientific, regulatory, and operational issues into clear, court-ready testimony. Nina is a frequent presenter and author as a workplace safety and drug testing expert. Ms. French has served as the past President of the Drug & Alcohol Testing Association (DATIA) and is currently a member of the Scientific Advisory Board of the Impairment Science Organization (DRUID).

Aston, Pennsylvania

Toxicology, Pharmacology- Clinical - opioids, carbon monoxide, marijuana, cannabis, impairment, DUI, drugs, medication errors, overdose, postmortem, toxicity, medications, drug testing, adverse event, dietary supplement, kratom, fentanyl, oxycodone, lithium, mold

Board-certified toxicologist. Fellow of the American Academy of Clinical Toxicology. Affiliate Fellow of the American College of Medical Toxicology. Registered pharmacist. Over 30 years of experience in the field of clinical toxicology. Two decades as a clinical toxicologist and managing director at the Poison Control Center at The Children’s Hospital of Philadelphia (CHOP), consulting on toxicology cases from 21 counties in Pennsylvania and Delaware. Expert witness experience has involved cases related to alcohol, drugs of abuse (ie, opioids, marijuana, synthetic cannabinoids, cocaine), carbon monoxide, medication errors, and postmortem toxicology. Extensive teaching experience including as faculty at the University of Pennsylvania School of Veterinary Medicine. *Please note that I am only able to work on cases with licensed attorneys.

Phoenixville, Pennsylvania

Cannabis, Laboratories & Testing - Chemical differentiation of hemp vs. cannabis, Verification and technical review of Cannabis COAs (Certificates of Analysis), Cannabis Deposition & Expert Witness Testimony, Cannabis laboratory methods and validation, cannabis testing chain-of-custody and testing workflows, Cannabis/Hemp Testing Laboratories

Jimmy Dodsworth is an analytical chemist and laboratory leader with 25+ years of experience spanning instrumental analysis, method development and validation, QA/QC systems, accreditations and licensing, and general management of large laboratories (>$10M). He has specialized in cannabis and hemp testing since 2014, including building and accrediting laboratories, developing analytical methods, and advising attorneys and regulators on the scientific and quality-system requirements underlying compliant testing programs. Legal Matters & Technical Focus Areas • Chemical differentiation of hemp vs. cannabis using laboratory testing data and analytical method review • Verification and technical review of COAs (Certificates of Analysis) and supporting laboratory documentation • Authenticating licensing status, laboratory accreditation scope, and batch/lot documentation supporting COAs • Assessing compliance with federal hemp requirements through data interpretation, method suitability, a...

Phoenixville, Pennsylvania

Cannabis, Laboratories & Testing - Cannabis Impairment Pharmacology & Drug Testing, Extraction Formulation & Manufacturing Practices, Cannabis Cultivation, Hemp vs THC Testing, Cannabis Expert Witness, Cannabis Product Testing & Laboratory Issues, THC, Cannabis Scientist, Cultivation & Product Quality, Cannabis Certificates of Authority COAs

Professional Profile Seth Martin, M.S. is a cannabis and hemp industry scientist with expertise garnered from over seven years of experience in regulated markets. His background spans analytical chemistry, pharmacology, extraction and formulation chemistry, and cultivation, with hands-on work in multiple state programs including Colorado, Pennsylvania, Massachusetts, Rhode Island, Georgia, and Maine. Seth combines advanced scientific training in medical cannabis with real-world operational leadership for multi-state operators, enabling him to clearly explain complex technical issues to attorneys, judges, and juries in both civil and business disputes involving cannabis and hemp. Key Qualifications for Legal Matters • Advanced cannabis-specific education as the first graduate of Thomas Jefferson University’s M.S. in Medical Cannabis Science & Business. • Deep analytical chemistry background in testing cannabis and hemp for potency, contamination, and product integrity. • Pharmacolog...