Dr. David Bearman is a leading expert in medical cannabis with over five decades of experience in substance abuse treatment, public health, and cannabinoid medicine. As a pioneer of the free clinic movement and former Co-Director of the Haight-Ashbury Drug Treatment Program, Dr. Bearman has been instrumental in shaping progressive drug policy and advancing cannabis as a legitimate therapeutic option. His extensive career includes roles on state task forces, advisory committees, and consulting for national organizations, earning him recognition such as the Santa Barbara Medical Society’s Humanitarian Award. A respected author and educator, Dr. Bearman continues to influence the field through his books, advocacy, and appearances in documentaries and films on cannabis and health.