Donald M. Topping is professor of linguistics and director of the Social Science Research Institute at the University of Hawaii. He conducted research on Chamorro in the Mariana Islands, and served as consultant to the Chamorro Bilingual Education projects on Guam and Rota. Dr. Topping is also the author of Chamorro Reference Grammar, and Spoken Chamorro.
Bernadita C. Dungca is a native speaker of the Guam dialect of Chamorro and an assistant professor of Bilingual Education, University of Guam.