Dr. Osiris García Cerqueda is an Indigenous Mazatec historian and sociologist from Huautla de Jiménez, Oaxaca, Mexico. He is Program Coordinator of Chacruna’s Indigenous Reciprocity Initiative of the Americas (IRI) at the Chacruna Institute for Psychedelic Plant Medicines. He is also Affiliated Researcher at Georgetown University. From a very young age, he has dedicated himself to the study of the history of his community and the practice of the ancestral ritual with psilocybin mushrooms, of which Maria Sabina was renowned. He has conducted a needs assessment in his community in the past and is currently developing activities to strengthen the Mazatec bioculture. He is the author of the book Huautla tierra de magia, de hongos y hippies [Huautla land of magic, mushrooms, and hippies] (2014) and the independent magazine, Mirador Mazateco (2010–2015). His work centers the history of Mazatec communities, the ancestral ritual use of psilocybin mushrooms, and the contemporary challenges posed by climate change, cultural extraction, and the global psychedelic renaissance.