His research focuses on the history of Indigenous Peoples of the Northwest Coast of North America, specifically that of Tsimshian and Musqueam communities. His work explores the archaeology and ethnohistory of cultural contact and colonialism, space- syntax analysis of architecture and households, the use of Indigenous oral records in archaeology, and the role and interpretation of archaeological data in Canadian jurisprudence, especially its implications for Aboriginal rights and titles. He is the Director of the Canadian Archaeological Radiocarbon Database.