Ariane Macalinga Borlongan earned his Ph.D. in Applied Linguistics in 2011 at De La Salle University (Manila, the Philippines). At present, he is Lecturer in Sociolinguistics at the Tokyo University of Foreign Studies (Japan). He was previously with De La Salle University, Tamagawa University (Tokyo, Japan), and The University of Tokyo (Japan) and also held posts at Nanyang Technological University (Singapore), SEAMEO Regional Language Centre (Singapore), the University of Freiburg (Germany), The University of Malaya (Kuala Lumpur, Malaysia), and Wenzao Ursuline University of Languages (Kaohsiung, Taiwan). His teaching and research have focused on sociolinguistics, migration linguistics, world Englishes, English linguistics, and historical linguistics.