Ana Guadalupe Valenzuela-Zapata is recognized in Mexico and the United States as the foremost botanical and horticultural expert on agaves used in the tequila industry. A professor at the Universidad de Guadalajara, and one of the few women field scientists in a male-dominated industry, she is author of the Spanish language book, El Agave Tequilero, and numerous scientific articles on the blue agave.
A MacArthur Fellow and recipient of a Lifetime Achievement Award from the Society for Conservation Biology, Gary Paul Nabhan is Director of the Center for Sustainable Environments at Northern Arizona University.