Cannabis Expert Witnesses

The SEAK Expert Witness Directory contains a comprehensive list of cannabis expert witnesses who testify, consult and provide litigation support on cannabis and related issues. Cannabis expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these cannabis expert witnesses testify regarding may include: Cannabis, Marijuana, Cbd, Alcohol, Drug Testing, Dui, Hemp, Impairment, Opioids, Overdose, Thc, Bankruptcy, Cannabinoid Medicine, Carbon Monoxide, and Drugs.

Use the search box above to further refine your search for cannabis expert witnesses by keyword and state. Attorneys contact the experts directly – with no middleman.

Peter John Ingersoll, CCIM Safe Harbour Equity, Inc.

Oceanside, California
Cannabis, Securities & Investments - Cannabis, marijuana, banking and financing, receiverships, bankruptcy, FINRA, syndication, 1031 exchanges, investor disputes, securities fraud, breach of contract, breach of fiduciary duty, investor lawsuits, unregistered securities, investor fraud, shareholder disputes, governance, compliance
Cannabis real estate and investment thought leader. Managing director and cannabis product chair for Sperry Commercial Global Affiliates, the first national real estate firm to embrace cannabis as legitimate investment sector. Expertise in cannabis including breach of contract issues, breach of fiduciary duty, financing & private equity, governance documents, 1031 exchanges, sale-leasebacks, broken development deals, partner disputes, receiverships (bankruptcy is not available for cannabis enterprises), investor disputes, and unregistered securities litigation. Former Series 65 registered investment advisor. Graduate of Wharton School – University of Pennsylvania - BS of Economics. Co-Captain of the wrestling team

Michael J Kosnett, MD, MPH, FACMT

California
Toxicology, Occupational Medicine - Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, arsenic poisoning, forensic toxicology, DUI,, risk assessment, aviation toxicology, medical monitoring
2016 Recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award [career achievement award in recognition of “extraordinary contributions to the field of medical toxicology”] Diplomate, American Boards of Internal Medicine, Preventive Medicine (Occupational Medicine), and Medical Toxicology Active Medical Licensure in Colorado and California Professional activities have included: • Past President, American College of Medical Toxicology • Committee on Toxicology of the National Academy of Sciences • NIOSH Board of Scientific Counselors • CDC Advisory Committee on Childhood Lead Poisoning Prevention • EPA Science Advisory Board panels (lead in air, water, dust) • ATSDR expert panels (lead biomonitoring, hair analysis) • WHO consultant and temporary advisor (arsenic in drinking water, chelation of heavy metals) • Consultant to US Air Force Science Advisory Board (F-22) • Consultant to the US Navy Naval Air Systems Command (F-18) • US Army Public Health Command (c...

Mario F. San Bartolome, MD, MBA, MRO, FASAM Arete Health

Roseville, California
Addiction Medicine, Family Medicine - Opioids, opiate, methamphetamine, overdose, alcohol, hallucinogens, cocaine, cannabis, club, drugs, illicit, drug rehabilitation, utilization management, drug policy, alcohol and drug treatment, drug intoxication, drug withdrawal, detoxification, drug testing appropriateness, pain
Dr. San Bartolome is board certified in addiction medicine and family medicine. He has extensive experience as a medical director at all levels of care in addiction treatment including detoxification. As a medical director, Dr. San Bartolome has been involved in policy making, setting protocols, utilization management and direct patient care in addiction medicine. Due to the nature of addiction, Dr. San Bartolome is experienced in pain management, mental health and use of psychotropic medications, and in other co-morbidities involving addiction. Dr. San Bartolome is a national expert, serving on committees for the American Society of Addiction Medicine and on the board of the California Society of Addiction Medicine. His experience in addiction medicine spans settings like hospitals, psychiatric units, emergency departments, outpatient clinics and as an administrative medical director of substance use disorders for a large health plan. In all of these settings and at various medical...

Michael J Kosnett, MD, MPH, FACMT

Denver, Colorado
Toxicology, Occupational Medicine - Lead poisoning, cannabis, drug testing, alcohol, marijuana, environmental toxicology, arsenic poisoning, forensic toxicology, DUI,, risk assessment, aviation toxicology, medical monitoring
2016 Recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award [career achievement award in recognition of “extraordinary contributions to the field of medical toxicology”] Diplomate, American Boards of Internal Medicine, Preventive Medicine (Occupational Medicine), and Medical Toxicology Active Medical Licensure in Colorado and California Professional activities have included: • Past President, American College of Medical Toxicology • Committee on Toxicology of the National Academy of Sciences • NIOSH Board of Scientific Counselors • CDC Advisory Committee on Childhood Lead Poisoning Prevention • EPA Science Advisory Board panels (lead in air, water, dust) • ATSDR expert panels (lead biomonitoring, hair analysis) • WHO consultant and temporary advisor (arsenic in drinking water, chelation of heavy metals) • Consultant to US Air Force Science Advisory Board (F-22) • Consultant to the US Navy Naval Air Systems Command (F-18) • US Army Public Health Command (c...

Theodore Menadier, MBA Approach One LLC

Denver, Colorado
Cannabis, Agriculture - Hemp Cultivation, Feminized Seed, Marijuana Cultivation, Clones, Seedlings, Crop Projections, Crop Valuation, Indoor Cultivation Equipment, Outdoor Cultivation, CBD, Cannabis, Economic damages
8 Years of experience in hemp and marijuana I have experience in providing opinions in both State and Federal Court. I have been retained in 12 cases in the last 2 years. I have experience testifying in court and in depositions. My mix of industry experience and education make me uniquely qualified to address many types of issues within Marijuana and Hemp industries. Where many experts have a narrow area of expertise I have developed a broad spectrum of experience that allows me to address in most instances the entirety of issues involved in a case. I am experienced in indoor and outdoor cannabis cultivation, markets, and business practices. I can articulate an educated clear opinion in many areas of the hemp and marijuana industries involving cultivation, equipment, infrastructure, and the broader hemp market. In addition to continuing expert witness case work, I currently work with Rocky Mountain Distributors, a laboratory and cultivation facility producing live rosin for the ...

Donald A Misch, MD, CIME Donald A. Misch, MD, PLLC

Arvada, Colorado
Psychiatry - Adult/Late Adolescent Psychiatry, Psychopharmacology, Benzodiazepine Withdrawal, Psychotherapy, Posttraumatic Stress Disorder (PTSD), Mood Disorders (Depression/Bipolar Disorder), Anxiety Disorders, Psychosis (First Episode), Alcohol/Drug Abuse, Addiction, Marijuana, Cannabis, Impaired Physicians
Dr. Misch is a Board-certified psychiatrist with over 30 years of professional experience, formerly an Associate Professor in the Department of Psychiatry at the University of Colorado School of Medicine and an Associate Professor in the Department of Community and Behavioral Health at the Colorado School of Public Health. A graduate of Harvard College and Rush Medical College (AOA), Dr. Misch completed residency training in both internal medicine (Rush Medical Center) and psychiatry (Northwestern University). He has held leadership positions in public and private academic settings, including Director of Psychiatry Residency Training, Director of Education for the Department of Psychiatry, Executive Director of both the Northwestern University Health Service and the University of Colorado Wardenburg Health Center, and Senior Assistant Vice Chancellor for Health and Wellness at the University of Colorado Boulder. In addition to private practice of general psychiatry in which Dr. M...

Jeff G. Konin, PhD, ATC, PT, FNATA, FACSM The Rehberg Konin Group

Safety Harbor, Florida
Athletic Training, Physical Therapy - Cannabis, CBD, marijuana, cannabis and performance, cannabis and drug testing, policy and procedure, cannabis-related academic clinical policy, physical therapy, athletic training, cannabis work employment, impairment
Dr. Jeff G. Konin is a Clinical Professor at Florida International University, in Miami, Florida. He has been a leading clinician, educator, and scholar for over 30 years. As a licensed and certified athletic trainer and licensed physical therapist, Dr. Konin is the author of over 25 academic textbooks and has delivered hundreds of professional presentations throughout the World. He is a recognized Fellow of the American College of Sports Medicine (ACSM) and the National Athletic Trainers’ Association (NATA), and a member of the NATA’s Hall of Fame. Dr. Konin directs the Global Initiative for Cannabinoid Research & Education at Florida International University and is a well-spoken and sought after speaker and consultant. Dr. Konin is a Founding Partner of The Rehberg Konin Group, dedicated to providing expert advice in the area of sport safety, education, and other areas. Over the past 20+ years, he served in various expert roles for both the plaintiff and defendant. He has consu...

Leon M Gussow, MD

Chicago, Illinois
Toxicology, Emergency Medical Toxicology - Alcohol, Poisoning, opiates, opioids, Marijuana, Overdose, Cannabinoids, cannabis, intoxication, Drug Screening, Dram Shop, Drug Testing, Carbon Monoxide
Over 20 years experience providing consultation and expert witness testimony in cases involving topics including alcohol, marijuana, carbon monoxide, adverse drug effects, drug tests, and urine drug screens. Extensive teaching experience with the Toxikon Consortium Medical Toxicology Fellowship Program in Chicago. Fellow, American College of Medical Toxicology; Board Certified in Emergency Medicine and Internal Medicine; Medical Consultant, Illinois Poison Control Center; Peer Reviewer, Clinical Toxicology; Peer Reviewer, Journal of Medical Toxicology; Peer Review, Emergency Medicine Journal; Peer Reviewer, Cleveland Clinic Journal of Medicine.

Becky K Lynn, MD, MBA, NCMP, IF Evora LLC

Illinois
Obstetrics & Gynecology - pelvic pain, sexual health, sexual medicine, menopause, hormone therapy, transgender, endometriosis, vaginismus, vulvodynia, orgasm, obstetrics, cannabis, marijuana, CBD
I am a board certified Adjunct Associate Professor of Obstetrics and Gynecology at Saint Louis University and the Director of the Evora Center for Menopause and Sexual Health. I who have been in practice for 16 years. I specialize in Sexual Medicine, Menopause and Transgender care. I see patients with painful sex (dyspareunia), chronic pelvic pain, orgasm dysfunction, desire disorders (low libido), vaginismus, vulvodynia and others. I am an expert in hormone therapy in menopausal women. I also manage hormone replacement in both male to female and female to male transgender patients. My published research has focused on the effects of cannabis (marijuana) on female sexual function. I practiced obstetrics for the last 16 years. I have done record review in several cases. I hold a BA in Economics with a minor in Spanish from the University of California, Berkeley. I graduated from Georgetown University School of Medicine with an MD. I completed a residency in Obstetrics and ...

Becky K Lynn, MD, MBA, NCMP, IF Evora LLC

St. Louis, Missouri
Obstetrics & Gynecology - pelvic pain, sexual health, sexual medicine, menopause, hormone therapy, transgender, endometriosis, vaginismus, vulvodynia, orgasm, obstetrics, cannabis, marijuana, CBD
I am a board certified Adjunct Associate Professor of Obstetrics and Gynecology at Saint Louis University and the Director of the Evora Center for Menopause and Sexual Health. I who have been in practice for 16 years. I specialize in Sexual Medicine, Menopause and Transgender care. I see patients with painful sex (dyspareunia), chronic pelvic pain, orgasm dysfunction, desire disorders (low libido), vaginismus, vulvodynia and others. I am an expert in hormone therapy in menopausal women. I also manage hormone replacement in both male to female and female to male transgender patients. My published research has focused on the effects of cannabis (marijuana) on female sexual function. I practiced obstetrics for the last 16 years. I have done record review in several cases. I hold a BA in Economics with a minor in Spanish from the University of California, Berkeley. I graduated from Georgetown University School of Medicine with an MD. I completed a residency in Obstetrics and ...

Bethany Pridgen, MFS The DEVAUS Group, LLC

Wilmington, North Carolina
Forensic Science, Toxicology - Controlled substances, DWI, DUI, retrograde extrapolation, driving while impaired, alcohol, drunk driving, cannabis, THC, marijuana, CBD, hemp, quality assurance, ISO 17025, laboratory management, laboratory accreditation
Bethany has worked in the forensic science industry since 2005. Early in her career, she had the opportunity to open a new regional forensic science laboratory in southeastern NC. She began an 11 year journey and gained a career’s worth of experience as a laboratory director, quality assurance manager, laboratory scientist, grant writer and manager. She is a trained lead and technical assessor for ISO 17025:2017. She is extremely passionate about truth and justice and has learned that the legal system is not always fair. She has a strong desire to see people held accountable to high standards for their work when it affects the lives and freedom of others. She maintains high integrity in her work and interactions. She became very interested in the growing cannabis industry while working in the forensics world. She believes the cannabis testing industry has a lot to learn from the forensic science industry about how to self-regulate in a world where you are not regulated. She believe...

Allison A. Muller, Pharm.D, D.ABAT, FAACT Acri Muller Consulting, LLC

Aston, Pennsylvania
Toxicology, Pharmacology- Clinical - opioids, carbon monoxide, marijuana, cannabis, impairment, DUI, drugs, medication errors, overdose, postmortem toxicology, toxicity, medications, drug testing, adverse event, dietary supplement, kratom, fentanyl, oxycodone, lithium, delta-9
Board-certified toxicologist. Fellow of the American Academy of Clinical Toxicology. Registered pharmacist. Over 20 years’ 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, 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.

Rachna Patel, DO Dr. Rachna Patel, INC.

Pierre, South Dakota
Cannabis - Cannabis, Cannabinoid Medicine, THC, CBD, Marijuana, Hemp, Drug Testing, Toxicology, Impairment, Employment Termination
I am a Medical Cannabis Expert Physician (Cannabinoid Medicine Specialist Doctor). I've treated thousands of patients with marijuana derived and hemp derived CBD products since 2012. I've published a book in partnership with Penguin Random House titled - The CBD Oil Solution: Treat Chronic Pain, Anxiety, Insomnia, and more without the High - which has sold more than 30,000 copies. The book dives into the nuances of how to select high quality CBD products. It walks readers through how to read Certificates of Analysis for hemp derived CBD products and the specifics of what to watch out for when it comes to CBD and THC potency, pesticides, microbial contaminants, heavy metals, and residual solvents. I've given lectures throughout the United States to colleagues at conferences as well as medical residents and medical students about prescription and non-prescription cannabinoids, like CBD and THC, as well as the differences between marijuana and hemp, and so much more. I have also se...

Margaret M Gedde, MD, PhD, DABPath Gedde Whole Health LLC

Fredericksburg, Virginia
Toxicology, Forensic Pathology - THC DUI/DWI, Marijuana DUI/DWI, Medical Toxicology, Forensic Toxicology, Cannabis, Medical Marijuana, Hemp, THC, CBD, Cannabinoid Medicine, Cannabinoid Pharmacodynamics, Cannabinoid Pharmacokinetics, THC Blood Testing, THC Drug Testing, Blood Cannabinoids, THC Impairment, Marijuana Impairment.
Dr. Gedde provides clinical expertise in medical use of cannabinoids through her cannabis-focused telemedicine practice. She is known for a clinical focus in use of cannabinoids in pediatric epilepsy. Dr. Gedde is knowledgeable about the environment around medical marijuana for physicians and has been qualified in civil and administrative courts as an expert witness regarding the practice of cannabis medicine. In addition to the MD degree, Dr. Gedde holds a PhD in Chemistry and is Board Certified in Clinical Pathology, the medical specialty that includes toxicology. As a medical toxicology expert witness, Dr. Gedde brings authoritative clarity to interpretation of blood cannabinoids in criminal and civil THC DUI/DWI cases. Dr. Gedde’s background also includes post-doctoral research into the molecular biology of bacterial pathogenesis at the University of California at Berkeley and five years in the pharmaceutical industry as a clinical microbiology director and consultant. She h...

Eli C Neal, CPA, ABV, CFF 4 Corners Financial Forensics

Bellevue, Washington
Business Damages, Cannabis - Business Valuations, Forensic Accounting, Economic Damages, Cannabis, Lost Profits, Bankruptcy, Business Damages, Commercial Litigation, Shareholder Dissolution, Business Appraisal, Economics, Fraud, Insurance Claims, Products Liability, Lost Wages Damages, Wrongful Death Damages, Invoice Review
Eli solves financial problems for attorneys and their clients with strategic, detailed, and well-reasoned work products. Eli provides business valuations, forensic accounting, and economic damages calculations based on historical financial records and informed assumptions about the future. Ultimately, he thrives when testifying in trial and arbitration to help triers-of-fact understand the financial effect of real-world actions. In 2018, Eli was selected as an AICPA Forensics and Valuation Services Standing Ovation Award Recipient which recognizes CPAs under 40 years old who exhibit exemplary professional achievement in the forensic accounting and valuation services arena.
You can also find Cannabis Expert Witnesses in:
California, Colorado, Washington, and South Dakota