Katharina Schreiber is a Professor of Anthropology at the University of California, Santa Barbara, where she has taught since 1985, and served two terms as Department Chair. She received her PhD from Binghamton University, and has also taught at the University of Connecticut and the University of Arizona. She began her field research in the central highlands of Peru in 1974, and has dedicated a large portion of her investigations to the pre-Inca Wari Empire. She is the author of the 1992 book, Wari Imperialism in Middle Horizon Peru, as well as numerous scholarly articles and book chapters. Since the late 1980s she has worked extensively in the Nasca region of the south coast of Peru, and is the co-author of two books on the ancient hydraulic works there: Irrigation and Society in the Peruvian Desert (2003) and Aguas en el desierto [Waters in the desert] (2006). She has also conducted investigations in the Cuzco region and at Machu Picchu on Inca archaeoastronomy, and has published several articles on Inca culture. Her fieldwork has been funded by the National Science Foundation and the National Geographic Society. She has been the editor of the journals Latin American Antiquity, published by the Society for American Archaeology, and —awpa Pacha: Journal of Andean Archaeology, published by the Institute of Andean Studies. She is the editor of the Iowa Series in Andean Studies for the University of Iowa Press, and she has just completed a three-year investigation of Wari imperial sites in the upper Nasca region.