Hugh Dellar is a teacher, teacher trainer, and coursebook writer based in London. He has over twenty-five years’ experience in the field and is the co-founder of Lexical Lab. He has co-authored two five-level General English series, Outcomes and Innovations, both published by National Geographic Learning, as well as one level of the high-school series Perspectives.

Russell Stannard is a multi award-winning Educational Technologist and founder of www.teachertrainingvideos.com. He received awards from the British Council, the Times Higher and the University of Westminster for his work in the use of ICT in education. He is especially known for his  work in using technology to enhance feedback and his experiments with screen capture technology.  He is a recommended Camtasia Trainer and was previously a Principal Educational Technologist at the University of Warwick and the University of Westminster.