Sarah Cunningham has worked in ELT for over twenty-five years, originally as a teacher, teacher trainer and Director of Studies. She has worked in Greece, Spain, Hungary, Argentina and the UK, and for the last twenty years she has been involved in writing ELT materials. She is the co-author of Cutting Edge and New Cutting Edge with Peter Moor, as well as a number of titles in the Headway Pronunciation and Making Headway series.