David S. Whitley specializes in the archaeology and ethnography of far western North America as well as rock art globally. He is a director at ASM Affiliates, Inc., a cultural resource management firm, in Tehachapi, California, and a research associate at the Rock Art Research Institute, University of the Witwatersrand.

Johannes H. N. Loubser is an archaeologist and rock art specialist at Stratum Unlimited LLC, Atlanta, and a research associate at the Rock Art Research Institute, University of the Witwatersrand. He specializes in rock art conservation and management but also conducts archaeological excavations when needed.

Gavin Whitelaw is an archaeologist at the KwaZulu-Natal Museum, South Africa, and an honorary lecturer in the School of Social Sciences, University of KwaZulu-Natal. His research focuses on Iron Age farmers of southern Africa.