Daniel Barber is a teacher, trainer and writer based in Cádiz, Spain. He's taught classes of all types and ages over more than twenty years as well as tutoring and directing Trinity TESOL courses and managing his own school. He is an author for National Geographic Learning's secondary series Perspectives and Look, a seven-level series for young learners of English. His interests include motivation in learning, coaching approaches to teaching English and the science of learning and the brain. Amanda Jeffries is a teacher, trainer and author. She grew up in the north of England and after graduating in Modern Languages from Oxford University, did her DELTA and then MA in TEFL at Reading University. She has taught in Chile and in the UK, where her work has included teaching in private language schools, examining for Cambridge exams, running a distance learning Masters course in ELT, and working as Academic Advisor for Language Teaching at Oxford University. She is now based in Oxford, UK, where she teaches English and communication skills to university students and runs training workshops for teachers. She has written English language teaching materials for several major publishers, specialising in advanced English. She has taught in the UK and Chile.