Cannabis Expert Witnesses

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Cannabis expert witness candidates are increasingly in demand, as more states pass marijuana laws governing its use as well as cannabis dispensaries regulation. The cannabis plant, also known as hemp, has a long history for its use for hemp fiber, hemp seeds and oils, hemp leaves for use as s vegetable and as juice, medical cannabis, and as a recreational drug.

Litigation support work by a cannabis specialist could include expert report preparation, expert opinion, deposition testimony and expert testimony at trial. In addition, attorneys may request a cannabis industry expert for pre-litigation consulting work. In a high-profile case, or litigation involving a significant financial stake, a law firm may request a cannabis business professional with prior expert witness experience.

Representing the plaintiff or defendant, top litigation firms call on Cahn Litigation Services to find cannabis expert witnesses for a wide variety of legal proceedings that encompass:

Cahn Litigation Services has the experience required to turn the search for an expert around quickly. The firm has an earned reputation for providing candidates with the right balance of expertise and testimony to get the job done.

Cannabis Expert Witness - Sample Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Cannabis experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Cannabis landscape.


Expert Witness #265176

This expert is a Master Grower with an MBA. Specializing in Yield Optimization for both Greenhouse and Outdoor cultivation, this expert has directed the largest producer processor in the world, outpacing all others in growth, processing and distributing.

Since then, this expert has designed facilities and worked in every aspect of cannabis production, sales and distribution. In addition to Cannabis horticulture expertise, this expert’s business acumen, MBA, and knowledge of widely accepted standards and practices brings an additional and unique skillset and perspective to clients and businesses alike. This expert has served as an expert witness in two previous matters and has been deposed. 


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Expert Witness #247349

This expert specializes in Criminal Forensic Psychiatry, Addiction, and the effects of substances on the brain including cannabis and synthetic cannabis, opioids, tobacco and more. This expert serves on the Chemical Dependency team at a nationally known health insurance provider, and has been the Medical Director of the Opiate Replacement Therapy Program at a VA hospital. This expert is board certified, a diplomate of the American Board of Psychiatry and Neurology and has added a Certificate of Qualification in Forensic Psychiatry from the same Board. Besides being a practitioner, this expert is also involved in current research and is well-published. This expert attends and presents at conferences and symposia and is well recognized as an authority in the field.


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