National Geographic Explorer Guillermo de Anda is an archaeologist dedicated to research on Maya civilization. His specialties include the study of caves and cenotes and the sacred geography of the Maya. For 14 years, de Anda was a professor and researcher at the School of Anthropological Sciences of the Autonomous University of Yucatán, where he founded and directed the underwater archaeology department. Currently, de Anda works for Mexico’s Instituto Nacional de Antropología e Historia (INAH), where he oversees special projects in underwater archaeology. He is the director of the National Geographic-supported Great Maya Aquifer project in the Yucatán, and has also received grants from the Society for his Cenote Cult project. In 2012, de Anda was named a National Geographic Emerging Explorer.