Edmund Dudley is a teacher trainer, materials writer and teacher of English with more than 25 years of classroom experience. Based in Budapest, he has extensive experience of teaching EFL at both primary and secondary levels. He works with teachers from around the world as a freelance teacher trainer and as a tutor at the University of Oxford’s ELT Summer Seminar. He is the author of ETpedia Teenagers (2018, Pavilion Publishing) and co-author of Mixed-Ability Teaching (2015, Oxford University Press).