Stephenson, Helen§Helen Stephenson first taught business English in the 1980s. She has written in-house training courses and a course for upper-secondary students. She teaches at the Universitat Oberta de Catalunya.
Bohlke, David§David Bohlke has over 30 years of experience as a teacher, teacher trainer, program director, editor, and materials writer. He has lived and worked in Japan, Korea, Singapore, Australia, Saudi Arabia, and Morocco, and has conducted multiple teacher-training workshops in Asia, the Middle East, Latin America, Africa, and the Pacific. As an editor he has worked on some of the world's best-selling ELT courses for teens and adults. For National Geographic Learning he has authored the series Time Zones, Keynote, and Reading Explorer. David holds an M.A. in Applied Linguistics/TESOL.
Parker, Stephanie§Stephanie started out as a teacher of English in the 1980s, working at International House schools in Madrid and London. After a spell in lexicography that included editing the Oxford Spanish dictionary, she stayed in publishing but moved across to course books. As a Commissioning Editor, she learned the importance of producing materials that aren't just vehicles for language learning but also enrich our understanding of the world. Stephanie currently divides her time between Denmark and the UK, working as a freelance writer and editor on a wide range of English language projects.
