David Didau After 15 years' teaching English in UK state schools, David is now a freelance trainer, education consultant, conference speaker, provocateur, and writer. His award-winning blog, 'The Learning Spy', is one of most influential education blogs in the world. He has written the best-selling, 'The Secret of Literacy', 'What If Everything You Knew About Education Was Wrong?' and 'What Every Teacher Needs to Know About Psychology'.