Cannabis Grand Rounds is produced by healthcare professionals for healthcare professionals to provide accurate and unbiased education on all things cannabis. The show is hosted by Drs. Matthews, Vinocur and Altman, who are all physicians with Masters Degrees in medical cannabis science and therapeutics from the University of Maryland School of Pharmacy. The Podcast accepts no external funding or advertising.


Pediatric Cancer & Cannabis with Dr. Bonni Goldstein
In the last part of our series with Dr. Bonni Goldstein, we focus on cannabis treatments for pediatric cancer patients. ... read more


Our conversation with Dr. Bonni Goldstein continues today, focusing on the specific ailments and patients who receive medical cannabis. ... read more
Cannabis and the Pediatric Brain with Dr. Bonni Goldstein
There is so much research out there about the dangers of THC and marijuana on the development of the pediatric brain. But our guest Dr. Bonni Goldstein specializes in working with pediatric patients and cannabis. ... read more
Introduction to Pediatric Cannabis Expert Dr. Bonni Goldstein
Bonni Goldstein, M.D., is the owner and medical director of Canna-Centers Wellness and Education, a medical practice devoted to educating patients about the use of cannabis for serious and chronic medical conditions. ... read more
The Benefits and Efficacy of Medical Cannabis with Dr. Thomas Trincetto
Dr. Thomas Trincetto has been described by friends as a "thoughtful skeptic." ... read more
Transitioning to Cannabis Medicine with Dr. Thomas Trinchetto
Our guest today Dr. Thomas Trincetto attended Johns Hopkins University in Baltimore (with Hal & Les). ... read more
Human agriculture started about 10,000 years ago and hemp was most likely one of the first cultivated crops. ... read more
Sour Diesel, Girl Scout Cookies, Pineapple Express. ... read more
Cannabis is an interesting plant been around for thousands of years. ... read more
Interesting Findings from Dr. Ari Greis' Work
Dr. Ari Greis is the director of the Medical Cannabis Department at Rothman Orthopaedic Institute.

... read more
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Leigh Vinocur MD, MS

Dr. Leigh Vinocur is a board-certified emergency physician, with one of the first master’s degrees in the country in medical cannabis science and therapeutics from the University of Maryland School of Pharmacy. As a medical cannabis physician advisor and consultant, she is focused on medical cannabis education and management for both patients and the industry. She serves on the scientific advisory committee for the National Cannabis Industry Association, (NCIA.) And she provides patients, businesses, and organizations with the most up-to-date evidence-based strategies on medical cannabis science and therapeutics.

She is a media-savvy, experienced, national medical contributor who can translate technical and scientific information into consumer-friendly terms. And her adjunct medical broadcasting career dovetails into her passion for educating both physicians and the public on medical cannabis. Aside from regular appearances on national media outlets, such as The Today Show, Cable News Network (CNN), Headline News (HLN), the Fox News Channel (FNC), and the popular syndicated Dr. Oz Show; she is a regular contributor to the Hearst publication GreenState, where she has an “Ask Dr. Leigh” column answering their reader's cannabis-related questions.

She is also a spokesperson for the American College of Emergency Physicians (ACEP), the Society of Cannabis Clinicians (SCC). She has also won numerous awards for her contributions in healthcare from organizations including but not limited to the Centers for Disease Control and Prevention, the Maryland Network Against Domestic Violence, and the American College of Emergency Physicians.

Hal Altman MD, MS

Dr. Hal Altman is a pediatrician and former Chief Medical Officer, who has completed a Master’s of Science in Cannabis Science and Therapeutics (MCST) from the University of Maryland’s School of Pharmacy.

Dr. Altman received his undergraduate degree from Johns Hopkins University and his M.D. from Temple University’s School of Medicine. He completed his pediatric residency and chief residency training at the Children’s Hospital of Pittsburgh. In the spring of 2021, he became a graduate of the inaugural class of the University of Maryland’s School of Pharmacy MCST program.

Dr. Altman was a pediatric clinician in western Pennsylvania for 25 years. During that time, he was an Assistant Clinical Professor of Pediatrics with the Children’s Hospital of Pittsburgh and participated in clinical research studies with Dr. Jack Paradise.

The last 20 years of his career were spent in medical leadership roles. He was the Medical Director of Children’s Community Pediatrics for 5 years and then became the first CMO of ACMH Hospital in western Pennsylvania for the next 16 years. He retired in 2019 and assumed his MCST studies.

Dr. Altman currently leads the Scientific Advisory Committee for a hemp company, exploring the clinical applications of hemp and its cannabinoids. His professional interests are to explore the potential of cannabis as medicine, to provide cannabis education for fellow clinicians, and to advocate for the rescheduling of medical cannabis.

Leslie S. Matthews MD, MBA, MS

Dr. Leslie S. Matthews is a Board Certified Orthopedic surgeon who enjoyed a long and rewarding career in clinical and academic orthopedics. After over 35 years of clinical orthopedic practice in which he specialized in Sports Medicine and treatment of disorders of the knee and shoulder, Dr. Matthews continued in academic orthopedic administration until 2020.

In addition to an MD degree from Baylor College of Medicine, Dr Matthews holds an MBA from the Loyola University Sellinger School of Business as well as a Master’s Degree in Medical Cannabis Science and Therapeutics from the Inaugural program of the University of Maryland School of Pharmacy.

Dr. Matthews’ interests in the field of medical cannabis focus on the education of health care professionals in all things cannabis-related.