DELTA Teacher Development Series

David Byrne has taught in Spain, South Korea, Ireland and England. He is now based in London as Curriculum Manager of EC English and the Regional Academic Director of Europe & South Africa. In his spare time, he writes teaching materials and fiction.

Alessia Cogo is Senior Lecturer in Applied Linguistics at Goldsmiths, University of London. Originally from Italy, she worked as a teacher of English before starting research in English as a Lingua Franca and multilingualism. She has published widely on aspects of English diversity and linguistic justice.

Graham V. Crookes is Professor, Department of Second Language Studies, University of Hawai‘i. Originally from the UK, he has lived and worked as a teacher of English, researcher and teacher educator in the Asia-Pacific Region since 1977. His most recent book is Starting points in critical language pedagogy (Information Age Publishers).

Hugh Dellar is a classroom EFL teacher, teacher trainer and coursebook writer. He has delivered conference talks, training sessions and teacher development workshops all over the world. In 2016, he founded London Language Lab, a lexically-oriented school in central London, together with Andrew Walkley. They run the www.lexicallab.com site. Hugh lives in north London with his family.

Gail Ellis has over 30 years experience as a teacher, teacher educator and manager, and is an advocate of children’s rights.
Her recent publications include Tell it Again! and Teaching Children How to Learn. Her main interests are picturebooks
in ELT, young learner ELT management and inclusive practices.

Andreas is a teacher, author, linguist, Cambridge Exams Centre Manager and former HELTA Chair. A speaker of eight languages, he learnt English (his fourth) at primary school in Scotland and Suffolk. As a country collector, he takes every chance to explore language(s) in context. After several visits to Africa he founded Teachers 4 Schools e.V. together with a group of friends.

David Heathfield is a storyteller who tells tales and runs workshops in the UK and around the world. He offers online Creative and Engaging Storytelling for Teachers courses. David has worked as an online storytelling teacher trainer internationally with the British Council, IATEFL and the Hands Up

Mark Heffernan has taught English for over 16 years, spending many of those years focusing on exam teaching. In 2016, he moved to Queen Mary University where he teachers EAP, is a materials writer and a module convenor. Together, he and David have written a popular blog and a teachers resource book, called Textploitation.

I’m Gill Johnson and I’ve been a teacher and trainer of EFL for over twenty years. My first job, post CELTA, at the age of 22, was in a prison, where I taught English to foreign inmates. It was a baptism of fire and I certainly learned to be creative and think on my feet there!

Later, I joined IH Hastings, where I became interested in humanistic methodology and trained as

I live in Gdynia, Poland, and work on a freelance basis as a teacher-trainer, writer and translator. I previously lived and worked in Germany, Sweden and the UK.

I've written and co-written books and articles in the fields of teacher resources, coursebooks and  teacher development, and I’ve contributed to monolingual and bilingual dictionaries. As well as   See more