Jelmer W. Eerkens, professor of anthropology at the University of California, Davis, is coeditor of The Evolution of Leadership: Transitions in Decision Making from Small-Scale to Middle-Range Societies. Lee M. Panich, professor of anthropology at Santa Clara University, is coeditor of Archaeologies of Indigenous Presence. Christopher Canzonieri is an archaeologist and osteologist at Basin Research Associates, Inc. Christopher Zimmer is an enrolled member of the Amah Mutsun Tribal Band of Mission San Juan Bautista, serving as Tribal Monitor and Most Likely Descendant.