Christina Latham-Koenig started her career in TEFL in 1976, teaching at International House and later at the British Council, both in Spain (Valencia) and in the UK. She got a distinction in the RSA Diploma in 1987, and then became a local supervisor for this course in Spain. She has worked as a teacher trainer for both native and non-native teachers of English. She now lives in Valencia, and she started collaborating as co-author of the English File series in 1995.