Mathias Jenny, Ph.D (2005) University of Zurich, is a senior researcher and lecturer at that university. His main fields of interest are language contact and language change in Southeast Asia, with a special focus on the languages of Myanmar/Burma, on which he has conducted fieldwork and widely published over the past twenty years.Paul Sidwell, Ph.D. (1999) University of Melbourne, is an Associate at Sydney University and a partner in the firm Language Intelligence (Canberra). His research focuses on Austroasiatic language history and implications for the language and history of Mainland Southeast Asia.Mark J. Alves, Ph.D. (2000) University of Hawaii, is a Professor at Montgomery College and the Editor-in-Chief of JSEALS. His research has centered on Vietnamese language history, which also encompasses surrounding language groups, including Sinitic/Chinese,Tai, Vietic, and Austroasiatic broadly.