Powerhouse. Coursebook

David Evans is a writer, broadcaster and trainer who specialises in English language teaching. He is the author of seventeen ELT books, including Longman's successful Powerhouse and Powerbase courses, and he has given lectures and workshops in over thirty countries around the world from Argentina to Uzbekistan. David took a degree in English at Cambridge University, and then worked as an English language teacher in London and Paris. In 1991 he joined the BBC World Service as a radio producer, where he was trained in radio journalism, drama production and editing. Over the next ten years, he made hundreds of educational programmes on subjects from business to pop music to poetry. During the mid to late 1990s he spent a lot of time in the countries of the former Soviet Union, where he set up and ran joint broadcasting ventures in several countries. David still broadcasts regularly for the BBC, but he now concentrates mainly on writing educational and business books, as well as doing some teacher training. He is married with a young daughter and lives in north London