Jose Maria Lopez Bejarano is co-director of the Tiwanaku archaeological project.

Leonardo Benitez is a senior at the University of Pennsylvania focusing on archaeoastronomy at Tiwanaku.

Tony Chapa is a graduate student at the University of Texas, Austin, and has worked on projects in North, Central, and South America. At Tiwanaku, he is re-examining the importance of the Kalasasaya complex and the semi-subterranean temple.

Kate Davis, a teaching fellow for the Harvard University Field School, is currently a Ph.D. candidate studying Andean archaeology. She has worked both on the north coast of Peru and at Tiwanaku since she was an undergraduate at the University of Pennsylvania. Her research interests include faunal analysis, ethnoarchaeology, domestic architecture, state control of storage, and reciprocity.

Kimberly Henderson is an anthropology graduate student at the University of Denver, Colorado. Her primary interest is in using geophysical techniques as non-invasive tools in the study of the archaeological record.

Michele Koons, a graduate of the University of Pittsburgh, has archaeological experience in the Andes and throughout the United States. She is currently a graduate student at the University of Denver studying ground-penetrating radar as a tool for archaeological investigation.

Alison Peters, a student at the University of Pennsylvania, has been organizing updates from the field.

Gary Urton is the Dumbarton Oaks Professor of Pre-Columbian Studies at Harvard University. His research interests include South American archaeology, ethnohistory and ethnology, and Inca record-keeping and mathematics.

Alexei Vranich is a research associate at the University of Pennsylvania Museum of Archaeology and Anthropology and works on a variety of archaeology and conservation projects around the world. His main interest is Tiwanaku, where he has been directing a project since 1996.

Jason Yaeger, director of the Inka Settlement Program at Tiwanaku, is an assistant professor at the University of Wisconsin, Madison.

The Totora Boat Project

Paulino Esteban is a Aymara boat builder.

Paul Harmon directed and managed all aspects of the totora reed boat project.

Chris Knutson, who wrote his Honors Thesis at the University of Pennsylvania on totora reed boats, provided expert technical help.

Mariette Verseveld provided valuable assistance in organizing the project deliverables and locating the appropriate source of the andesite.