Safrina is a faculty member at the English Language and Literature Study Program. She obtained her doctorate in literature from Universitas Indonesia in  2006. Her expertise is in adolescent literature and critical theory in literature. She has been actively involved in several national and local literary and cultural communities.

Erika Matruglio is Senior Lecturer TESOL in the School of Education, University of Wollongong, Australia. Her research explores connections  between disciplinary language, knowledge, and values. Her scholarship employs complementary theories of Systemic Functional Linguistics and Legitimation Code Theory to explore school literacy practices, especially with regards to writing in the disciplines. 

Ardian Wahyu Setiawan is a faculty member of Politeknik Negeri Malang, Indonesia. He is a productive academic and prolific writer who has published in a wide array of publications both in Indonesia and overseas. His research interest includes technology in education, ESP, and innovative language pedagogy.

Kingsley Bolton is Professor Emeritus at the University of Stockholm. He has previously served as Professor of English linguistics at Nanyang Technological University, Singapore, City University of Hong Kong, and Stockholm University, where he was also Chair of the English Department. He has published widely on English in the Asian region and his latest book, the Handbook of Asian Englishes (2020, co-edited with Werner Botha and Andy Kirkpatrick, Wiley-Blackwell), was given the 2021 PROSE Award from the Association of American Publishers (AAP) for outstanding academic research in the category ‘Language and linguistics’. He is also Co-Editor of the journals, World Englishes (Wiley-Blackwell), and Educational Studies (Routledge/Taylor & Francis).