Kenneth J. Gregerson , Ph.D. (1971), University of Washington. Served with the Summer Institute of Linguistics and the University of Texas at Arlington. He has published on Vietnamese, Austroasiatic (especially Rengao), Ideophones, Languages of the Vietnam-China Borderlands and languages of Indonesia. Marilyn J. Gregerson, Ph.

D. (1991), University of Texas at Arlington and Rice University, dissertation "The Rengao of Vietnam: an Ethnography of Texts". Worked as an anthropology and literacy consultant with the Summer Institute of Linguistics, in Vietnam and Indonesia. Paul Sidwell , PhD. (1999), University of Melbourne. Worked for the Australian National University (Canberra), Max Planck Institute for Institute for Evolutionary Anthropology (Leipzig), Center for Research in Computational Linguistics (Bangkok) and serves as President of the Southeast Aslian Linguistics Society.