Adrian Wallwork has been teaching English since 1984 in Pisa and London. He began specializing in Business English in 1990 and is the author of three Oxford University Press books in this field. He works freelance for a number of international software houses and is currently realizing his dream project: teaching native-English business people to communicate effectively in English with their non-native colleagues and clients. Keith Harding was born in London and educated at St Albans School, and at King's College Cambridge. He completed a Ph.D. in History at the University of Sussex in 1983, before beginning his career in EFL. He worked in language schools in Brighton and International House, London, before joining St Giles International where he has worked as a teacher, teacher trainer (CELTA), Director of Studies, and, since 1994, as Principal.

He has worked at both the London Highgate and San Francisco centres. He completed his RSA Diploma in 1985, and has taught all levelsand aspects of EFL.