Cannabis Expert Witnesses
What is a cannabis expert witness?
Cannabis expert witness candidates are increasingly in demand, as more states pass marijuana laws governing its use as well as cannabis dispensaries regulation. Cannabis cultivation expert witnesses often have expertise in hemp cultivation, agriculture, the biotechnology used in cannabis/hemp cultivation, toxicology, or business and marketing practices. As with most candidates, years of experience and advanced degrees (PhD, MD, MBA) specific to becoming cannabis cultivation expert witnesses are important considerations.
What types of cases require a cannabis expert witness?
Cases that require expert witness support for legal matters can relate to cannabis crop valuation, dispensary operations, toxicology of cannabinoids and other cannabis products, and issues related legal cannabis dispensation. Matters requiring the services of a cannabis expert witness can involve intellectual property, such as patent infringement litigation or trade secret disputes.
Cannabis expert witness case examples
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:
- cannabis dispensary operations
- marijuana plant farming,
- medical marijuana distribution,
- cannabis drug testing and marijuana impairment,
- CBD products (Cannabidiol)
- contract dispute claims, and
- legal cannabis cultivation.
What litigation support work might a cannabis expert witness be expected to perform?
Litigation support work by a cannabis specialist could include research and literature review, authoring expert reports, providing 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.
Cahn Litigation Services has the experience required to turn a search for a cannabis expert witness around quickly, providing the right balance of expertise and testimony experience.
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Cannabis Expert Witness - Representative 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.
The below expert witness bios represent a small fraction of those Cannabis experts known by Cahn Litigation Services. These bios are provided to give lawyers 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.
Start Cannabis Expert SearchExpert 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.
Start Cannabis Expert SearchExpert Witness #265182
This expert and his company provide services which include Operational Management, Acquisition and Equity Partnerships, Brand Licensing, and Horticulture services. This expert has many years of horticultural experience, owning and operating domestic and international businesses. Working in the specialty cut flower market and running indoor gardens early on helped this expert to understand complex growing systems and production protocols while developing master gardening skills. This expert has designed and built over 1.5 million square feet of cultivation space, with another 250,000 square feet under construction. This expert’s career path has positioned this expert to play an integral role in helping both individual companies to succeed as well as aiding the emerging cannabis industry to prosper as a whole. This expert has prior litigation experience having been deposed and testified.
Start Cannabis Expert SearchExpert Witness #265363
This pesticide application and pesticide drift expert holds a Ph.D. and currently provides independent research and consulting services on a wide range of agricultural topics. This expert previously served as a Professor at a well-regarded university, a State Extension Specialist in nursery crops, and a provincial nursery specialist for agricultural ministries in Canada.
This expert has distinguished experience in weed control in horticultural crops, with over 30 years of work in the field. This expert has conducted thousands of herbicide efficacy and phytotoxicity research trials, including several involving herbicide drift and degradation, assisted in the registration of over 10 new U.S. nursery herbicides, and conducted cost-comparison studies of herbicides versus hand-weeding and herbicide drift dissipation.
This expert is a practicing weed scientist and independent researcher whose work involves agricultural pesticide application and best practices. This expert also owns a farm in Ohio where pesticide applications are performed. This expert has extensive knowledge of pesticide overspray and spray drift, along with experience involving commercial cannabis growers and familiarity with their production practices.
This expert is an experienced expert witness and litigation consultant.
Start Cannabis Expert SearchExpert Witness #272090
This damages expert is a CPA and Certified Fraud Examiner (CFE) with over 20 years of experience performing economic damages calculations. This expert has prepared numerous analyses and testified as an expert witness in federal court, state court, and arbitration regarding lost profits, disgorgement, and other matters involving accounting, finance, or business valuation. This expert was previously honored by a prominent professional association for notable contributions to the field.
This expert has analyzed damages associated with alleged profit participation and consulting agreements involving the cannabis industry, including claims regarding future performance and overall valuation, and has provided expert witness testimony in deposition.
This expert has prepared disgorgement calculations related to claims involving improper use of name, likeness, and common law trademark rights to advertise, promote, and sell products, including analyses of both infringing and ancillary products.
This expert has investigated allegations involving theft of trade secrets and customer lists by former employees in a commercial sales context. The review and rebuttal of opposing expert analysis was also a major component of that work.
This expert has extensive experience with economic damages due to breach of contract, including matters involving management agreements, and has particular experience in the cannabis industry. This expert has over 15 years of testimony experience, including state court, federal court, and domestic and international arbitration.
This expert is an experienced expert witness and litigation consultant with experience as a testifying expert and has qualified in both state and federal courts.
Start Cannabis Expert SearchExpert Witness #277952
This business valuation, forensic accounting, and cannabis business damages expert is a CPA and forensic accountant who has provided investigative analysis and testimony regarding business valuations and business damages, with a focus on all aspects of the cannabis business.
This expert has significant expert witness experience and has testified in cannabis-related matters. This expert is well-published, frequently presents at industry conferences, and is recognized as an authority in this field. This expert also hosts a regular podcast in which the cannabis business has been an integral topic. A prominent professional accounting association selected this expert for an award in forensics and valuation services.
Start Cannabis Expert SearchExpert Witness #284568
This cannabis horticulture expert is a well-known author, consultant, public speaker, cannabis expert witness, curatorial professional, and internationally respected authority on cannabis, industrial hemp, medical marijuana, cultivation, garden yields, processing, dosages, commercial intent, personal use, and cannabis culture.
This expert teaches at the college level, has given numerous presentations for continuing legal education (CLE) and continuing medical education (CME) programs, and has provided testimony that helped shape California medical marijuana law.
Start Cannabis Expert SearchExpert Witness #284577
This cannabis horticulture and damages expert has been a large-scale commercial cannabis facility operator, consultant, and educator for over 15 years. As a department chair at a well-regarded cannabis education institution, this expert develops advanced curricula and has helped teach over 50,000 students from around the globe regarding cannabis horticulture and how to optimally design and operate commercial cannabis cultivation facilities.
This expert has helped design, license, fund, construct, launch, and optimize dozens of large indoor, outdoor, and greenhouse cannabis facilities across the country. This expert has also served as an editor and contributing author for a cannabis grower?s handbook, focusing on indoor facility design and equipment optimization.
This expert has served as an expert witness in a number of matters involving valuation of crop losses. Because cannabis is highly regulated, state-mandated data from individual licensees and state regulatory agencies may provide information on the volume and sales of cannabis biomass and products produced and sold. Statewide data on sales and crop pricing may also be aggregated by third-party services, with customized analytics available.
This expert?s experience includes using regulatory, scientific, and financial information to support opinions on reasonable valuation of cannabis crop losses and helping legal teams understand the regulatory, scientific, and financial landscape of the legal cannabis industry, including its overlapping and sometimes conflicting federal and state legal and regulatory frameworks.
Start Cannabis Expert SearchExpert Witness #284577
This cannabis horticulture and damages expert has been a large-scale commercial cannabis facility operator, consultant, and educator for over 15 years. As a department chair at a well-regarded cannabis education institution, this expert develops advanced curricula and has helped teach over 50,000 students from around the globe regarding cannabis horticulture and how to optimally design and operate commercial cannabis cultivation facilities.
This expert has helped design, license, fund, construct, launch, and optimize dozens of large indoor, outdoor, and greenhouse cannabis facilities across the country. This expert has also served as an editor and contributing author for a cannabis grower's handbook, focusing on indoor facility design and equipment optimization.
This expert has served as an expert witness in a number of matters involving valuation of crop losses. Because cannabis is highly regulated, state-mandated data from individual licensees and state regulatory agencies may provide information on the volume and sales of cannabis biomass and products produced and sold. Statewide data on sales and crop pricing may also be aggregated by third-party services, with customized analytics available.
This expert's experience includes using regulatory, scientific, and financial information to support opinions on reasonable valuation of cannabis crop losses and helping legal teams understand the regulatory, scientific, and financial landscape of the legal cannabis industry, including its overlapping and sometimes conflicting federal and state legal and regulatory frameworks.
Start Cannabis Expert SearchExpert Witness #284577
This cannabis horticulture and damages expert has been a large-scale commercial cannabis facility operator, consultant, and educator for over 15 years. As a department chair at a well-regarded cannabis education institution, this expert develops advanced curricula and has helped teach over 50,000 students from around the globe regarding cannabis horticulture and how to optimally design and operate commercial cannabis cultivation facilities.
This expert has helped design, license, fund, construct, launch, and optimize dozens of large indoor, outdoor, and greenhouse cannabis facilities across the country. This expert has also served as an editor and contributing author for a cannabis grower's handbook, focusing on indoor facility design and equipment optimization.
This expert has served as an expert witness in a number of matters involving valuation of crop losses. Because cannabis is highly regulated, state-mandated data from individual licensees and state regulatory agencies may provide information on the volume and sales of cannabis biomass and products produced and sold. Statewide data on sales and crop pricing may also be aggregated by third-party services, with customized analytics available.
This expert's experience includes using regulatory, scientific, and financial information to support opinions on reasonable valuation of cannabis crop losses and helping legal teams understand the regulatory, scientific, and financial landscape of the legal cannabis industry, including its overlapping and sometimes conflicting federal and state legal and regulatory frameworks.
Start Cannabis Expert SearchExpert Witness #284577
This cannabis horticulture and damages expert has been a large-scale commercial cannabis facility operator, consultant, and educator for over 15 years. As a department chair at a well-regarded cannabis education institution, this expert develops advanced curricula and has helped teach over 50,000 students from around the globe regarding cannabis horticulture and how to optimally design and operate commercial cannabis cultivation facilities.
This expert has helped design, license, fund, construct, launch, and optimize dozens of large indoor, outdoor, and greenhouse cannabis facilities across the country. This expert has also served as an editor and contributing author for a cannabis grower's handbook, focusing on indoor facility design and equipment optimization.
This expert has served as an expert witness in a number of matters involving valuation of crop losses. Because cannabis is highly regulated, state-mandated data from individual licensees and state regulatory agencies may provide information on the volume and sales of cannabis biomass and products produced and sold. Statewide data on sales and crop pricing may also be aggregated by third-party services, with customized analytics available.
This expert's experience includes using regulatory, scientific, and financial information to support opinions on reasonable valuation of cannabis crop losses and helping legal teams understand the regulatory, scientific, and financial landscape of the legal cannabis industry, including its overlapping and sometimes conflicting federal and state legal and regulatory frameworks.
Start Cannabis Expert SearchExpert Witness #285049
This cannabis horticulture and horticulture damages expert has over 15 years of experience in the commercial cannabis industry, including general and cultivation management roles for multiple cannabis cultivation businesses with large-scale cultivation facilities and annual lab-tested cannabis production measured in thousands of pounds.
This expert works with architects and engineers to finalize designs, incorporate specialized cannabis systems and equipment into plans, and support contractors throughout construction, commissioning, and inspection phases. At the onset of operations, this expert works with clients to select genetics for their sites, oversee recruiting and hiring, create standard operating procedures for operations, train staff on their use, train staff to operate facility systems, and oversee or support operations throughout the start-up period.
This expert also supports and oversees post-processing operations for cannabis businesses, including harvest, drying and curing, trimming and manicuring, laboratory testing, packaging, extraction, and product manufacturing.
Start Cannabis Expert SearchExpert Witness #285427
This cannabis cultivation/cannabis business expert holds a senior executive role with a number of cannabis-related businesses that cultivate and process cannabis products, including edibles, tinctures, and salves, for commercial sales. Previously, this expert held a cultivation leadership role for a large, state-of-the-art indoor cannabis cultivation facility.
The cultivation work involves organic growing practices, which are uncommon in the industry and arguably more difficult than methods used by many cultivators relying on hydroponic systems and techniques. This expert has experience with testing and cultivation conditions, including irradiation and appropriate HVAC needs.
Start Cannabis Expert SearchExpert Witness #285516
This vape pen expert holds a PhD and PE credential and is a seasoned expert witness with experience in hundreds of e-cigarette and vape pen matters involving product liability, patents, and design, including cannabis-related products.
Start Cannabis Expert SearchExpert Witness #294856
This cannabis economics, operations, and supply chain expert founded and serves as chief economist for a highly sought-after consultancy. This expert is widely considered a global leader in cannabis and hemp business consulting, data, and economic research. Applications of economic principles to create actionable operational and policy recommendations have been recognized by governments and by economic, investment, and business communities.
This expert has over 10 years of experience in the cannabis industry. This expert previously served as COO of a cannabis company, where responsibilities included cultivation, processing, manufacturing, distribution, and retail. During that period, the business grew substantially, and this expert helped guide the company through a public listing.
This expert has presented data and insights about cannabis and hemp economics to a prominent international organization. White papers analyzing adult-use, medical, and industrial cannabis markets have been referenced in major national newspapers, wire services, and leading cannabis industry publications.
This expert is a member of a national economics association, has held a leadership role in a state chapter of a national business economics association, has served on multiple regulatory advisory committees throughout the U.S., and participates on a state council of economic advisors. This expert has provided policy recommendations at the state, national, and international levels and is considered an authority on cannabis economics and the supply chain.
This expert does not take a position on the legality of cannabis or on pending legislation.
Start Cannabis Expert SearchExpert Witness #301946
This agrochemical/pesticide drift expert holds a PhD and is a Professor Emeritus of Biological & Agricultural Engineering at a well-regarded public university, where this expert served as a tenured faculty member with joint appointments in engineering and agricultural and environmental sciences for over 30 years before retirement.
This expert conducts teaching, research, and outreach in agricultural spraying and pesticide applications. This expert has invented and commercialized pesticide application systems, working closely with ground- and aerial-based spray technology and equipment. This expert is a licensed commercial and agricultural pilot and aerial pesticide applicator and holds a Qualified Applicator License for ground-based pesticide application, including the application and supervision of restricted-use materials.
This expert has actively worked in agricultural spraying as a researcher and practitioner for over 45 years and continues to research, teach, and apply pesticides. This expert has served as a reviewer and editor for academic journals that publish peer-reviewed articles on pesticide application, pesticide spray drift, and hazard assessment. This expert has taught courses in pesticide application techniques at the undergraduate, graduate, and practitioner levels for over 35 years and has provided continuing education instruction for pesticide applicators as part of required license renewal for over 35 years.
This expert has served as an expert witness in spraying technology, spray drift, and potential exposure in state, federal, and international courts for over 30 years. This expert served a federal environmental regulatory agency pesticide program as an evaluator and reviewer of spray drift scientific projects and field data collection. These projects formed the foundations of AgDisp and AgDrift spray drift models, which are used as the basis for pesticide spray drift and hazard assessment procedures by federal and state pesticide regulatory agencies.
This expert has collaborated with a state pesticide regulatory agency in conducting field trials of spray drift and human exposure assessments and has published these studies in peer-reviewed academic journals. This expert has served as an expert witness in pesticide regulatory enforcement actions and litigation. This expert recently served as a scientific steering and review committee member for spray drift model and dataset development for ground-based and remotely piloted aerial spray applications.
This expert is an experienced expert witness and litigation consultant and has provided deposition and trial testimony in a number of cases, with over 15 years of experience in litigation support related to spray drift cases. This expert has worked in matters involving both plaintiffs and defendants, including cases related to cannabis and hemp production.
Start Cannabis Expert SearchExpert Witness #301946
This agrochemical/pesticide drift expert holds a PhD and is a Professor Emeritus of Biological & Agricultural Engineering at a well-regarded public university, where this expert served as a tenured faculty member with joint appointments in engineering and agricultural and environmental sciences for over 30 years before retirement.
This expert conducts teaching, research, and outreach in agricultural spraying and pesticide applications. This expert has invented and commercialized pesticide application systems, working closely with ground- and aerial-based spray technology and equipment. This expert is a licensed commercial and agricultural pilot and aerial pesticide applicator and holds a Qualified Applicator License for ground-based pesticide application, including the application and supervision of restricted-use materials.
This expert has actively worked in agricultural spraying as a researcher and practitioner for over 45 years and continues to research, teach, and apply pesticides. This expert has served as a reviewer and editor for academic journals that publish peer-reviewed articles on pesticide application, pesticide spray drift, and hazard assessment. This expert has taught courses in pesticide application techniques at the undergraduate, graduate, and practitioner levels for over 35 years and has provided continuing education instruction for pesticide applicators as part of required license renewal for over 35 years.
This expert has served as an expert witness in spraying technology, spray drift, and potential exposure in state, federal, and international courts for over 30 years. This expert served a federal environmental regulatory agency pesticide program as an evaluator and reviewer of spray drift scientific projects and field data collection. These projects formed the foundations of AgDisp and AgDrift spray drift models, which are used as the basis for pesticide spray drift and hazard assessment procedures by federal and state pesticide regulatory agencies.
This expert has collaborated with a state pesticide regulatory agency in conducting field trials of spray drift and human exposure assessments and has published these studies in peer-reviewed academic journals. This expert has served as an expert witness in pesticide regulatory enforcement actions and litigation. This expert recently served as a scientific steering and review committee member for spray drift model and dataset development for ground-based and remotely piloted aerial spray applications.
This expert is an experienced expert witness and litigation consultant and has provided deposition and trial testimony in a number of cases, with over 15 years of experience in litigation support related to spray drift cases. This expert has worked in matters involving both plaintiffs and defendants, including cases related to cannabis and hemp production.
Start Cannabis Expert Search