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David L. Nathan, MD, DFAPA is a Princeton, New Jersey based psychiatrist, writer, speaker, educator, and consultant. He is the founder and board president of Doctors for Cannabis Regulation and a founding steering committee member of New Jersey United for Marijuana Reform. Recently, he was named as one of five leaders of the newly formed coalition to support New Jersey’s 2020 cannabis legalization ballot initiative.


Dr. Nathan was the first physician in New Jersey history to testify in favor of cannabis legalization before the state legislature, and he has provided a total of 15 testimonies in eight US states. In 2019, Dr. Nathan was one of two physicians to testify at the first-ever US House Judiciary Committee hearing on cannabis legalization.

Dr. Nathan is a Distinguished Fellow of the American Psychiatric Association and Clinical Associate Professor of Psychiatry at Rutgers Robert Wood Johnson Medical School. He graduated magna cum laude from Princeton University, received his MD from the University of Pennsylvania School of Medicine, and completed his psychiatry residency at McLean Hospital of Harvard Medical School.


While a medical student at Penn Med, Dr. Nathan created, designed, illustrated, and supervised the completion of medical education software packages for anatomy, histology, and embryology. These early GUI programs were used in medical schools around the world.


Dr. Nathan serves as Director of Continuing Medical Education for Penn Medicine Princeton Health and Director of Professional Education at Princeton House Behavioral Health. On the topic of cannabis policy, Dr. Nathan does not necessarily represent the views of these organizations.


Dr. Nathan is a clinical associate professor at Rutgers RWJ Medical School and a community fellow at Mathey College of Princeton University. Recently, he was appointed to the Editorial Boards of the American Journal of Endocannabinoid Medicine and Cannabis Science and Technology.


Dr. Nathan has written and spoken extensively on cannabis policy, with audiences including lawmakers, businesspeople, state medical societies, hospital medical staff, allied health professionals, and the lay public. Among his dozens of published articles, he coauthored a landmark opinion piece on cannabis regulation with former Surgeon General Joycelyn Elders for the American Journal of Public Health.


Dr. Nathan has appeared in nationally syndicated broadcast, online and print media publications, with more prominent outlets including CNN, The New York Times, Wall Street Journal, Washington Post, US News & World Report, VICE News, San Francisco Chronicle, Politico, The Week (UK), and SinoVision News. He has also appeared in many state/province and local media outlets around the United States and Canada.

Dr. Nathan serves as a cannabis consultant for government and industry.

He has assisted several cannabis companies with license applications in three states and has served as the Chief Medical Advisor for a multistate medical cannabis company.


In his spare time, Dr. Nathan has published articles on a variety of historical topics, including early written language, numismatics, animation, and the dawn of American football.