Dr. Ari C. Greis, The Use of Cannabis for the Treatment of Chronic Orthopedic Pain

November 2022

Dr. Ari Greis is a board-certified physician who specializes in the non-operative treatment of spinal and musculoskeletal disorders. He is the director of the Medical Cannabis Department at Rothman Orthopedic Institute. He is interested in the treatment of chronic pain with cannabis as an alternative to opioids. Dr. Greis is a Clinical Assistant Professor of Rehabilitation Medicine at Thomas Jefferson University who has published numerous research articles, textbook chapters, and continues to teach and lecture to residents and medical students. Dr. Greis served as the chief resident at the University of Washington in Seattle and is fellowship trained in sports and spine rehabilitation. He performs fluoroscopic guided spine injections, ultrasound guided peripheral joint injections, trigger point injections, and electrodiagnostic testing.

Previous Webinars

Margaret Haney, PhD

Nov 13, 2025 01:00 PM MST

Cannabis Misuse and Therapeutic Potential: Placebo-controlled Laboratory Studies

Dr. Margaret (Meg) Haney is a Professor of Neurobiology (in Psychiatry) at the Columbia University Irving Medical Center. As the Director of the Cannabis Research Laboratory and of the Substance Use Research Center in the Division of Substance Use Disorders, Dr. Haney is […]

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Dan Ovadya, CEO

New Methods for Induction of Male Flowers and Scalable Feminized Seed Production in Cannabis Sativa

Dan Ovadya is the Co-founder and CEO of FloraGen LLC, an AgTech company based in Davis, California. Dan has
over 30 years of experience in crop optimization, precision horticulture and seed production systems in controlled
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Marguerite Bolt, MS

Sep 17, 2025 11:00 AM MST

Bugs on Buds Pest Management in Cannabis

Marguerite Bolt is the Hemp Extension Specialist in the Department of Agronomy. Marguerite received her M.S. in Entomology from Purdue University, and her B.S. in Entomology from Michigan State University. She has aided in the development of pest management resources for hemp growers in […]

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Mark T. Hamann, PhD.

September 11, 2025 01:00 PM MST

Potential Application of the Cannabinoids as Antivirals

Dr. Mark T. Hamann is the Charles and Carol Cooper/SmartState Endowed Chair of Drug Discovery at the Medical University of South Carolina (MUSC), serving in the Colleges of Pharmacy and Medicine. He holds affiliate appointments with the University of Maryland’s Institute of Marine and […]

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Todd P. Michael, Ph.D.

20 August 2025, 11 AM MST

The Cannabis pangenome

Todd Michael, Ph.D. is a Research Professor at the Salk Institute for Biological Studies, an Adjunct Professor at the University of California, San Diego (UCSD), and Chief Science Officer at the San Diego Botanic Garden (SDBG). His research group focuses on leveraging advanced sequencing technologies and informatics to […]

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