His research interests include anthropological and historical linguistics, comparative writing systems, and archaeological decipherment, with a regional focus on Mesoamerica (particularly Mayan, Ch'orti', and Nahuatl/Aztec).
Bidang penelitiannya meliputi linguistik sejarah dan antropologis, perbandingan sistem penulisan, dan penguraian arkeologis, dengan fokus di Mesoamerika (khususnya Maya, Ch'orti', dan Nahuatl/Aztek).