Dr. Herbert Puchta is a full time writer and teacher trainer. He has been a plenary speaker at numerous international conferences, and has conducted workshops and given seminars in more than 30 countries. For almost three decades, he has carried out research into the practical application of findings from cognitive psychology to the teaching of English as a foreign language. Herbert has co-authored a number of bestselling course books for the teaching of English as a foreign language, and written numerous articles and resource books. Until recently, Herbert was President of IATEFL, the International Association of Teachers of English as a Foreign Language.