JOHN G FLEAGLE is Professor of Anatomical Sciences at the State University of New York at Stony Brook. He is author of Primate Adaptation and Evolution (1988, 1999), and co-editor of several other books, including The Human Evolution Sourcebook (1993), Anthropoid Origins (1994) and Primate Locomotion: Recent Advances (1998), and is founding editor of Evolutionary Anthropology.
CHARLES JANSON is Professor of Ecology and Evolution at the State University of New York at Stony Brook. His major research interests are the evolutionary ecology of primate social behavior and the evolution of seed dispersal.
KAYE E REED is Assistant Professor of Anthropology at Arizona State University, Research Associate at the Institute of Human Origins, and Co-Director of the IHO/University of the Witwatersrand Summer Paleoanthropological Field School. Her primary research interests are in the evolutionary paleoecology of fossil primates and hominids, and the structure and dynamics of mammalian and primate communities. Current paleontological and paleoecological research is focused in Ethiopia and South Africa.