Beatriz Caiuby Labate, PhD, is professor at the Center for Research and Post Graduate Studies in Social Anthropology (CIESAS), in Guadalajara, Mexico, and visiting professor at the Drug Policy Program of the Center for Economic Research and Education (CIDE), in Aguascalientes, Mexico.

Clancy Cavnar, PsyD, is a research associate of the Nucleus for Interdisciplinary Studies of Psychoactives (NEIP) and a clinical psychologist who works at a dual diagnosis residential drug treatment center in San Francisco, CA.