California Marijuana Expert Witnesses

California Hospitals & Medical Services Expert Witness Listings

You may limit your search for Marijuana expert witnesses to a specific area by selecting a state from the drop down box.

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Expert Witnesses

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Featured Experts

Richard A Stripp (American Scientific Consultants Corp)

With internationally recognized experts, ASC delivers impartial scientific evaluation of the role of drug and chemical exposure in civil and criminal litigation. ASC expert toxicologists have extensive expertise in the toxicological exposure, effects,... Learn More ›

Theodore J Menadier BSBA, MBA (Approach One LLC)

I am an expert in the business and cultivation of marijuana and hemp. Over the last four years, I have been retained and provided expert services in over 30 cases and insurance claims. I have experience providing opinions in both State and Federal... Learn More ›

Michael J. McCabe Jr., Ph.D. (Intertox, Inc.)

Dr. McCabe is an internationally trained and nationally recognized scientist with a proven track record of accomplishment in toxicology and related disciplines. He has broad-based knowledge and possesses a depth of understanding and experience necessary... Learn More ›

Roger Jones, MD (Belle Meade AMP)

Dr. Jones is board-certified in addiction medicine and emergency medicine, and has treated more than 70,000 patients during a 20-year career. He is a graduate of the Emergency Medicine Residency at University of Mississippi Medical Center and Addiction... Learn More ›

Hannah M Mathers (Mathers Envir, Sci, Service, LLC)

Dr. Hannah Mathers has over 26 years of experience and training in weed control in landscape and nursery crops, and is accomplished in herbicide chemistry, plant biochemistry, plant physiology and agricultural statistics. For the past 5 years, Hannah... Learn More ›

Gregory D Zavatsky (Gregory Zavatsky&Associates LLC)

Location: California

Areas of Expertise: Mr. Zavatsky is a Forensic and Clinical Toxicologist, with experience in DUI, alcohol, drugs of abuse, and prescription drugs to determine the effect on human performance and behavior in different types...

Chris Van Hook (Chris Van Hook Law)

Location: California

Areas of Expertise: Mr. Chris Van Hook, the founder of the Clean Green Certified Program, has been a practicing Cannabis / Hemp attorney in California since 2006. As the founder of the Clean Green Certified Program, in 2004,...

Madeleine J. Swortwood, Ph.D. (Robson Forensic, Inc.)

Location: Multiple Locations

Areas of Expertise: Madeleine Swortwood, Ph.D. is a nationally recognized toxicologist with extensive education and training in the analytical evaluation of chemical agents, and the causal link between chemical exposure and...

Richard C. Pleus, Ph.D., M.S. (Intertox, Inc.)

Location: Multiple Locations

Areas of Expertise: Richard C. Pleus, Ph.D., heads Intertox Inc., the scientific research and consulting company he founded in 1995. Within Intertox, he brings deep knowledge of toxicology to assist in protecting public health....

Heidi C. O’Neill, PhD, DABT (Intertox, Inc.)

Location: Multiple Locations

Areas of Expertise: Heidi O’Neill, PhD, DABT has studied the effects of various chemicals as both pharmacological therapeutics that may benefit and as toxicants that may pose a threat to human health for more than 20 years....

Michael J. Whitekus Ph.D., DABT (Robson Forensic, Inc.)

Location: Multiple Locations

Areas of Expertise: Dr. Whitekus is a board certified toxicologist and applies his broad expertise in drug safety evaluation and toxicology (over 25 years) to his forensic practice involving adverse drug and alcohol events...

Marijuana FAQs

What is a marijuana expert witness?

A marijuana expert witness is someone who is knowledgeable about all aspects of cannabis, including the medical marijuana industry, alternative medicine, cannabis business, drug testing, drug abuse, cancer treatment, pain management, and adverse drug effects.

What is the role of a marijuana expert witness?

A marijuana expert witness provides expert testimony on issues related to the use, cultivation, and regulation of marijuana.

How much can a person make as a marijuana expert witness?

Marijuana expert witnesses may be compensated in the range from $175 to $400 per hour or greater, depending on the type of work the expert is asked to perform.

What are the qualifications of a marijuana expert witness?

A marijuana expert witness should have a strong background in cannabis, including its effects, laws, and regulations, and should have the ability to analyze, interpret and testify in court.

What type of evidence is gathered in a lawsuit by a marijuana expert witness?

A marijuana expert witness may gather evidence such as scientific studies, industry standards, and personal experience to provide testimony in a lawsuit related to cannabis.

What type of evidence is gathered in a legal proceeding by a marijuana expert witness?

A marijuana expert witness may gather and present evidence related to the plant's chemical composition, cultivation, distribution, and effects on individuals and society in a legal proceeding.

What type of cases might require opinions from a marijuana expert witness?

Cases involving marijuana cultivation, distribution, possession, and use, as well as cases related to medical marijuana, cannabis industry regulations, and the effects of marijuana on individuals and society may require opinions from a marijuana expert witness.

What type of lawsuit might require the testimony of a marijuana expert witness?

A lawsuit involving medical marijuana, cannabis cultivation, or drug testing could require the testimony of a marijuana expert witness to provide specialized knowledge and opinions on the subject matter.

Marijuana Expert Witnesses by State

All States, Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming