Nidia A. Olvera Hernández is a historian and anthropologist. She has a Ph.D. in modern and contemporary history at the Mora Institute in Mexico City. Nidia earned a B.A. in ethnohistory from the National School of Anthropology and History (ENAH) and a M.A. in social anthropology from the Center for Research and Higher Studies in Social Anthropology (CIESAS), in Mexico City. Her main areas of interest are the old and modern history of psychoactive substances and drug policy. She is co-editor with Bia Labate of the book Plantas Sagradas en México: tradición, religión y ritualidad [Sacred Plants in Mexico: Tradition, Religion and Ritual, COLSAN/Chacruna Institute 2023], and author of several peer-reviewed articles. She has worked as the Project Coordinator at the United Nations on a drug treatment program, has experience working at social research consultancies and has been a professor at the Autonomous University of Mexico City and ENAH. She collaborated as the Research Associate at Chacruna Latinoamérica in México. Currently, she is a Postdoctoral Researcher for the project, “Poison, Medicine or Magic Potion. Shifting Perspectives on Drugs in Latin America (1820-2020)” at Radboud University, Netherlands.