Masaki Oda received his Ph.D. from Georgetown University in 1990 and has been with Tamagawa University in Tokyo Japan since then. He is currently Professor of Applied Linguistics and Dean of the Graduate School of Humanities at Tamagawa University in Tokyo, Japan. He is also the founding Director of the Center for English as a Lingua Franca (CELF). His primary research areas include sociopolitical aspects of language teaching, Critical discourse analysis and Language program managements. He is Vice President for Membership of AsiaTEFL and Vice President/Director of Academic Affairs at Japan Association of College English Teachers (JACET), and present frequently in International conferences including AILA, TESOL and TEFLIN.

Hywel Coleman is an Honorary Senior Research Fellow at the School of Education, University of Leeds, UK. He is an experienced researcher who has conducted research in many parts of the world including Asia, Afrika and the Middle East, and Europe. He has done extensive research in the fields of sociolinguistics, language planning and policy, language and development, and the roles and status of English and Indonesian in the Indonesian context. He has published with the British Council, Multilingual Matters and other major publishers. Two of his recent books are Language and the Sustainable Development Goals (in press) and The Condition of English in Multilingual Afghanistan (2019).

Siusana Kweldju has been a full professor at State University of Malang since 2002 and a lecturer since 1986. She received her doctoral degree in English Language Education from IKIP Malang, Indonesia in 1989. She wrote extensively on syntactic and semantic language acqusition, gender, and lexically-based language teaching. Recently she has been interested in linguistic landscape and educational neuroscience. She finished her secondment as a language specialist at  SEAMEO RELC Singapore in 2016. Before the secondment she was a Fulbrighter for her research on presidential rhetoric at Ohio State University, USA, in 2011. The International Case Study Award on Education for International Understanding  was bestowed on her from UNESCO-APCEIU, Korea in 2008.  She has devoted herself for various activites of education, both academic and practical, at national and international level. 

Eri Kurniawan is a faculty member of English Education Department of Universitas Pendidikan Indonesia, Bandung, Indonesia. Upon completion of his PhD at the University of Iowa, USA in linguistics, he has done extensive investigation on grammatical description of Sundanese, (critical) discourse/text analysis and academic writing.