His research focuses on using analytical chemistry to characterize archaeological materials – primarily ceramics and obsidian. Regional areas of focus include the American Southwest, Great Basin, and Northern Japan. Additional archaeological research topics include experimental archaeology, skill and apprenticeship, hunter-gatherer behavioral ecology, and children in the archaeological record. He recently received ans NSF collaborative grant to examine hunting territories in the Mesa Verde area using faunal bone isotope analysis and has been the PI on the last five years of NSF grants supporting the MURR Archaeometry Laboratory.