Gizem İyigün holds a B.A. in English Language Teaching and an MA degree in the field of Linguistics. She has been an English language teacher for 15 years. She has mainly worked as a language instructor and a teacher trainer in higher education institutions. She worked at a civil society organization as an educational specialist and delivered training sessions of various kinds and education levels around Turkey. She holds a DELTA in ELT Management and works as a freelance teacher trainer for Oxford University Press.