Alireza Korangy, Ph.D., is a philologist and a linguist. He is the editor-in-chief of Springer Handbooks in Languages and Linguistics and the International Journal of Persian Literature. Behrooz Mahmoodi-Bakhtiari is a professor of linguistics and Persian at the Faculty of Fine Arts, University of Tehran. As an expert in the field of Teaching Persian to Non-Persian Speakers, he is a co-author of the well-known Series Farsi Biyamuzim (Let's Learn Persian, 2001) and Persian for Dummies (2017) as well as his Tense in Persian (2002) and his co- edited volume Essays on Typology of Iranian Languages (2019). His books in press are Kinship Vocabulary in the Iranian Languages (Yerevan University Press) and A Grammar of Lori (with Alireza Korangy, MGL). He has contributed to many edited volumes in linguistics, including Oxford Handbook of Persian Linguistics (2018) and The Routledge Handbook of Second Language Acquisition and Pedagogy of Persian (2020).