Dr. Susan Weiss, Cannabis Research and Policy: State of the Science

October 2021

Dr. Susan Weiss is the Director, Division of Extramural Research at the National Institute on Drug Abuse (NIDA), which oversees NIDA’s extramural programs, operations planning, and trans-NIH initiatives, such as the Adolescent Brain Cognitive Development (ABCD®) and HEALthy Brain Child Development (HBCD) studies, and the Brain Research through Advancing Innovative Neurotechnologies® (BRAIN) Initiative. Dr. Weiss also serves as a senior science advisor to the NIDA Director and scientific liaison to the NIH, HHS, and other Federal Agencies. Previously, she served as the Chief of the Science Policy Branch and Acting Director of NIDA’s Office of Science Policy and Communications.

Before coming to NIDA, Dr. Weiss was the Senior Director of Research at the National Mental Health Association (now Mental Health America), and previously she directed a translational research program in the Biological Psychiatry Branch of the National Institute of Mental Health.

Dr. Weiss received multiple awards, including NIH Plain Language Awards, NIH and NIDA Director’s Awards, and an Emmy for her contributions to the HBO Addiction Project. She has published more than 150 scientific articles and chapters, graduated from the State University of New York at Stony Brook, and received her Ph.D. in Psychology from the University of Maryland.

Previous Webinars

Tony P. George, MD, FRCPC

June 11, 2026 at 1 PM MDT

Understanding the links between cannabis use and mental illness: Implications for treatment

 

Dr. George is Professor of Psychiatry in the Temerty Faculty of Medicine at the University of Toronto (UofT), and Senior Scientist at the Centre for Addiction and Mental Health (CAMH). He received his B.Sc. (1988) and M.D. (1992) degrees from […]

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Jacob MacWilliams, Ph.D.

May 20, 2026 11:00AM MDT

Unlocking the mystery of a key hemp pest, cannabis aphid

Dr. Jacob MacWilliams is a research scientist in Dr. Punya Nachappa’s lab in the Agricultural Biology Department at Colorado State University. Jacob received his Ph.D. in Biochemistry and Molecular Biology at the University of California, Riverside focusing on cowpea aphid resistance in […]

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Shanna Bablonis, Ph.D.

Cannabis and Opioid Interactions: Human Laboratory Studies and Clinical Implications

May 14, 2026 1:00PM MDT

Shanna Babalonis, PhD is an associate professor in the University of Kentucky (UK) College of Medicine Department of Behavioral Science and Center on Drug and Alcohol Research. Her NIH-funded research focuses on clinical trials and human laboratory assessments of the abuse potential, […]

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Michael Petersen

Apr 15, 2026 11:00 AM Mountain Time

Trait Modifications in Cannabis Through Engineering and Editing

Michael Petersen has over 40 years of experience as a researcher and mentor in the plant biotech space. He worked for 10 years at Agracetus, a small startup in Wisconsin and then 20 years as a Senior Fellow with Monsanto. Mike stayed […]

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Francesca Filbey, PhD

Apr 9, 2026 01:00 PM Mountain Time

Understanding Cannabis Use Disorder Through Neuroimaging and Behavior

Francesca Filbey is a Professor and Director of the NeuroImaging of Reward Dynamics Laboratory at the Center for BrainHealth, School of Behavioral and Brain Sciences at The University of Texas at Dallas, and an Adjunct Associate Professor at the University of Texas […]

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Travis Higginbotham

March 25 at 11:00 AM (MDT)

Turning Science into Cash Flow. Crop production performance and ROI analysis driven by crop science.25

Travis Higginbitham is the Founder & CEO of Due Diligence Horticulture (DDH). He is a horticultural and operations executive with deep experience leading controlled-environment agriculture, cannabis, and ornamental production businesses through innovation, growth, transition, and turnaround. Mr. […]

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