Cannabis Expert Witness

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This page contains 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, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts. The issues and subjects these cannabis expert witnesses testify regarding may include: Cannabis, Marijuana, Cbd, Alcohol, Drug Testing, Opioids, Overdose, Thc, Addiction, Cannabinoid Medicine, Cocaine, Dui, Forensic Toxicology, Hemp, and Pain.

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Preston Arndt, MD

Camarillo, California
Family Medicine, General Practice - Cannabis, Cannabinoid Medicine, THC, CBD, marijuana, Cystic Fibrosis, Integrative Medicine, Family Medicine
I have been practicing Family Medicine in Ventura County, California for the past 18 years, during which I have also received a second board certification in Integrative Medicine due to my interests in using other modalities to heal and promote health and wellness. I am a Cannabinoid Medicine specialist. I am proficient in educating patients, colleagues, and anyone else who has need for information on cannabis. I received a Holistic Cannabis Practitioner Certificate from the Holistic Cannabis Academy, and am a member of the Society of Cannabis Clinicians and the American Academy of Cannabinoid Medicine. I give Grand Rounds lectures at the Ventura County Medical Center in Ventura, CA on the topic and am a resource to my colleagues on Cannabinoid Medicine. I also have a special interest in Cystic Fibrosis (CF), and am associate director at the CF clinic in Ventura, CA where I see people, both pediatric and adult with CF using a team based approach. My Family Medicine practice is out o...

Peter John Ingersoll, CCIM Safe Harbour Equity, Inc.

Oceanside, California
Real Estate, 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...

Ted Menadier Approach One LLC

littleton, Colorado
Cannabis, Agriculture - Hemp Cultivation, Feminized Seed, Marijuana Cultivation, Clones, Seedlings, Crop Projections, Crop Valuation, Indoor Cultivation Equipment, Outdoor Cultivation, CBD, Cannabis
7 Years of experience in hemp and marijuana I have experience in providing opinions in both State and Federal Court. My mix of industry experience and education make me uniquely qualified to address many types of issues within Marijuana and Hemp industries. 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. I entered the marijuana industry in early 2015 when several partners and I created a commercial marijuana supply and consulting company SGA. SGA would provide commercial grow equipment and indoor grow facility design and consulting services. In late 2016, I transitioned to commercial cultivation of feminized Cannabis Sativa L. (hemp) seed which is high CBD low THC strains of cannabis. I personally have designed and built or consulted on indoor grow facilities that range from a small 600 square feet of grow space to 6,500 square feet multi room breeding ...

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

Boulder, Colorado
Psychiatry - General Adult and Adolescent Psychiatry, Psychopharmacology, Psychotherapy, Posttraumatic Stress Disorder (PTSD), Mood Disorders (Depression and Bipolar Disorder), Anxiety Disorders, Psychosis, Alcohol and Drug Abuse, Addiction, Marijuana, Cannabis, Psychostimulants, 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...

Christopher Stefan Desarollo Real Estate/Cannabis Capital Advisors

Denver, Colorado
Cannabis, Business Valuation

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

Safety Harbor, Florida
Athletic Training, Physical Therapy - Rehabilitation, licensure, cannabis, CBD, marijuana, physical therapy, discrimination, Title IX, supervision, standard of care, documentation, privacy, sexual harassment
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 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 consulted with organizations, businesses, and academic institutions on various matters of risk management and prevention. Dr. Konin is a contributing writer for Sports Medicine...

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 ...

Dustin Patil, MD Mountain Area Health Education Center

Asheville, North Carolina
Addiction Psychiatry, Addiction Medicine - Addiction, Substance Use Disorder, Substance Abuse, Substance Dependence, Drug Abuse, Opioids, Alcohol, Cocaine, Amphetamines, Marijuana, Cannabis, Benzodiazepines, Drug Testing, Psychiatry, Pain, Overdose, Suboxone, Buprenorphine, Methadone, Naltrexone, Detoxification
Dr. Patil graduated from Vanderbilt University and earned his medical degree at the University of Tennessee Health Science Center. He completed his general psychiatry residency training at Boston Medical Center/Boston University School of Medicine, where he also completed a fellowship in addiction psychiatry. He worked as the Director of the Division of Addiction Psychiatry at Tufts Medical Center from 2018-2021 and ran the inpatient addiction psychiatry consultation service and saw patients with addiction and pain issues in the outpatient psychiatry and primary care clinics. He was an Assistant Professor in the Department of Psychiatry at Tufts University School of Medicine and taught a number of courses at the medical school. Dr. Patil is an approved instructor for the PCSS MAT X-waiver training course; he has trained over 100 providers on the use of medications for opioid use disorder (including buprenorphine/Suboxone, methadone, and naltrexone). He has published on topics pertai...

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...

Margaret M Gedde, MD, PhD Gedde Whole Health LLC

Fredericksburg, Virginia
Toxicology, General Practice - 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 Colorado 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 Board Certification 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 has ...
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Colorado