Marco Ramos, MD PhD, is Assistant Professor in the History of Medicine and Department of Psychiatry at Yale University. His research and teaching focus on the history of the mental health, with an emphasis on health activism and the history of drugs in Latin America. He is currently writing a book on Cold War violence and health justice in Argentina and is also starting a new project on the history of psychedelics, especially ayahuasca, in the Amazon. His writing has appeared in clinical, academic, and popular journals, including The American Historical Review, Bulletin of the History of Medicine, the New England Journal of Medicine, JAMA, and the Boston Review. His teaching brings a critical historical perspective to anti-racism interventions in science, medicine, and public health.