Ben is a writer, teacher, teacher trainer and conference speaker. He taught materials writing for many years on the online MATESOL program of the New School, New York. He has written two methodology handbooks for teachers: Language Learning with Digital Video (with Paul Driver) and Working with Images. For students, he has co-authored the coursebook series Evolve, Eyes Open/Uncover/Smart Planet and English Unlimited (all for Cambridge). He has just finished working on the creation of Evolve Digital: an online course combining independent learning with synchronous teacher-led lessons.

Viviane Kirmeliene has worked in the ELT field since 1994 as a teacher, academic consultant, editor, and content writer. She holds a BA in English and Portuguese from the University of São Paulo and the Cambridge ICELT. As an editor and writer, she has worked on several projects for publishers in Brazil and abroad, being one of the authors of Global Changer. She is interested in how content for students and teachers can be more diverse and reflect their realities.

Michael Tomlinson has been teaching English since 1989. He has worked in the UK, Turkey, Spain and Sweden, with students ranging from children to adults and from beginner to proficiency level. He is currently a teacher at Star English, Murcia. He has also led numerous teacher training talks and workshops in Europe, Central and South America and Asia. His publications include two seven level primary courses, Power Up and Kid's Box, both co-authored with Caroline Nixon. Michael and Caroline have also written a three level pre-primary series for Cambridge, called Pippa and Pop.

Caroline Nixon has been teaching English since 1983. She is the Director and Co-proprietor of a successful English school founded in 1989 in Murcia, Spain. With Michael Tomlinson, she has written Kid's Box, Power Up and Be Curious for primary, and Pippa and Pop for pre-primary. Together, they have also written six titles in the Cambridge Copy Collection: Primary Activity Box, Primary Vocabulary Box, Primary Grammar Box, Primary Pronunciation Box, Primary Communication Box and Primary Reading Box. Caroline gives teacher-training talks and workshops internationally.