Bahaa Ed-Din Ossama teaches Arabic to foreign learners in Cairo. He has a BA degree in Greek and Latin from Cairo University, and has translated works by Ovid from the Latin to Arabic. He also teaches Arabic as a second language in the Faculty of Education, Ain Shams University, Cairo. He is the author of Kilma Hilwa: Egyptian Arabic through Popular Songs: Intermediate Level and Musiqa al-Kalimat: Modern Standard Arabic through Popular Songs: Intermediate to Advanced (AUC Press, 2015 and 2017).
Tessa Grafen is a linguistic consultant currently based in London. She has a master's degree in Arabic and Persian from Edinburgh University and has lived and worked in Cairo and Casablanca.