Jerónimo Mazarrasa is Programs Director at the ICEERS Foundation, where his work focuses on maximizing the benefits and minimizing the harms of the globalization of plant ceremonial practices. He has worked with facilitator communities on self-regulation processes, developed harm reduction tools, initiatives and trainings, and commissioned scientific research, legal analyses and public policy reports. He has written and produced documentaries on the encounter between Western societies and Indigenous knowledge, and lectures internationally on these themes.