Dan Everett, Ph.D. is author of Don’t Sleep, There are Snakes: Life and Language in the Amazon Jungle, as well as Professor of Linguistics, Anthropology, and Biological Sciences and Chairman of the Department of Languages, Literatures, and Cultures at Illinois State University in Normal, IL. He received his Sc.D. from the Universidade Estadual de Campinas, Brazil, in 1983. He has taught at the Universidade Estadual de Campinas, the University of Pittsburgh, and the University of Manchester, England. He is also a frequent Visiting Scientist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. He has conducted research in the Amazon jungle of Brazil for more than thirty years and has authored nearly 100 scientific articles and six books. His most recent book is Don’t Sleep, There are Snakes: Life and Language in the Amazon Jungle from Pantheon Books in the US and Profile Books in the UK. It will appear later in 2009 in Korea, Germany, and France, among other countries. His research on the Piraha Indians of Brazil and his conclusions on the evolution and nature of human language have sparked tremendous controversy internationally. He has been featured in the New Yorker magazine, New Scientist magazine (three times), Scientific American, Science News, The Guardian, Der Spiegel, The Independent, El Mundo (Spain), and other newspapers in countries from Holland, India, Japan, and elsewhere, including extensive coverage in most major Brazilian newspapers and news magazines. PBS Nova and the BBC are planning a documentary on his research. He speaks Portuguese, Piraha, Spanish, and English.