Feisal Aziez, Ph.D. is a Lektor (Assistant Professor) with a Ph.D. in Instructed Multilingualism from the University of Pannonia, Hungary. He holds a bachelor’s degree in English Language Education from Universitas Pendidikan Indonesia (UPI) and a master’s degree in Applied English Linguistics from Universitas Negeri Yogyakarta (UNY). His research investigates multilingual language acquisition in formal education, with a focus on instructed multilingual contexts. He also specializes in discourse analysis, exploring the functional aspects of language in social and educational domains. His interdisciplinary expertise connects theoretical linguistics with applied language education and multilingual instruction.