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iTDi Board of Directors

Gareth Knight

Gareth Knight

Managing Director

Scott Thornbury

Scott Thornbury

Academic Advisor

Steven Herder

Steven Herder

Program Director,
Teacher Development

Barbara Hoskins Sakamoto

Barbara Hoskins Sakamoto

Program Director,
English for Teachers

Chuck Sandy

Chuck Sandy

Community Director

Giovanni Rottura

Giovanni Rottura

International Marketing Director

David O'Callaghan

David O'Callaghan

Commercial Director

About iTDi

iTDi is a global online teacher development institute that is owned and staffed by dedicated teachers.

Our mission is to provide quality professional development that is meaningful, accessible and affordable for all teachers. We share a vision of a vibrant global community of educators, helping one another to become better teachers.

The iTDi community brings together teaching professionals working at every level -- newcomers and veterans, native and non-native teachers from a wide range of contexts, all sharing a common belief that being a teacher means a never-ending commitment to growing and learning.

iTDi provides:

Online courses to improve your classroom teaching or English language skills, written by some of the most respected authors in English language teaching.

  • A safe, private, supportive, international community of teachers and teacher-mentors, working and learning together online
  • Live online workshops and chats with educators from around the world
  • Live online advanced teaching skill courses

iTDi Principles

We believe that every teacher deserves the chance to improve. It doesn't matter where you start; what matters is where you want to go.

Read more about the principles behind iTDi

Garth Knight

Gareth Knight

Managing Director

Gareth has worked in the education field in Asia for more than twenty years. Leaving London and a career at British Telecom, Gareth headed to Tokyo to work in educational publishing and training. He co-founded a highly successful corporate training venture within a leading Japanese educational publisher. He joined Cambridge University Press in Tokyo and led their sales and marketing drive into the Japanese market. Armed with an MSc in Teaching English, Gareth moved to Bangkok in 1997 and lectured post-graduate linguistics at Srinakharinwirot University. During this spell, Gareth authored two textbook series published by Cambridge. In 2000, Gareth rejoined Cambridge to build sales channels and marketing throughout Southeast Asia for educational product. He became the Asia group director for Cambridge Learning. He is now working full-time as iTDi Managing Director based in Bangkok.

Scott Thornbury

Scott Thornbury

Academic Advisor

Scott is a teacher and teacher educator, with over 30 years' experience in English language teaching. He is currently Associate Professor of English Language Studies at the New School in New York, teaching on an on-line MATESOL program. His previous experience includes teaching and teacher training in Egypt, UK, Spain, and his native New Zealand. Scott's writing credits include several award-winning books for teachers on language and methodology including The A-Z of ELT, How to Teach Grammar and Teaching Unplugged. He is series editor for the Cambridge Handbooks for Teachers (CUP) and was also the co-founder of the dogme ELT group, whose archived website, called Teaching Unplugged, can be found here. Scott currently leads a fascinating community at the popular and thought-provoking blog, A-Z of ELTblog. He also is lead author in the iTDi Teacher Development program.

Steven Herder

Steven Herder

Program Director, English for Teachers

Steven has been teaching within the Japanese EFL context since 1989. Having over 20 years teaching experience at the elementary and secondary school level, he is currently an assistant professor in the International Studies department at Doshisha Women's College of Liberal Arts. He is also extremely active in professional development within the ELT community. He co-founded MASH Collaboration in 2007, an online community devoted to professional development through collaboration. He is an avid user of Skype and can often be heard saying, "Collaboration creates just the right amount of tension to get lots done." He also spends time editing numerous articles, academic volumes and proceedings, and leading teacher training seminars for various companies throughout Japan. Steven works from the perspective that, "being a teacher means a never-ending commitment to learning".

Barbara Hoskins Sakamoto

Barbara Hoskins Sakamoto

Program Director, English for Teachers

Barbara has taught both English and ESL in the United States, and EFL in Japan for more than 25 years. She earned her BA from Western Oregon University and her Masters in TESOL from Northern Arizona University. Barbara has conducted workshops throughout Asia, the U.S. and Latin America, and is co-author of the best-selling young learners Let's Go series (Oxford University Press). She is also a founding member of the JALT Teaching Children special interest group. Her motto is "Always try new things," so these days, when she's not teaching, writing, or giving workshops, you'll often find Barbara online exploring the potential of social media for professional development. If you'd like to explore with her, you can usually find Barbara on her award winning blog, Teaching Village.

Chuck Sandy

Chuck Sandy

Community Director

Chuck is a teacher, teacher trainer, author & educational activist with 30 years of experience in the US, Japan and Brazil. His many publications include the Passages and Connect series from Cambridge University Press and the Active Skills For Communication series from Cengage Learning. He is a frequent presenter at conferences and workshops around the world. Chuck believes that positive change in education happens one student, one classroom, and one school at a time, and that it arises most readily out of dialogue and in collaboration with other educators. This is the reason he has built a Facebook group with over 9000 teachers from 24 countries that meet for ongoing educational discussions. It is also the reason he has worked to introduce Design For Change into Taiwan, Thailand, Indonesia, Japan, and Russia.

David O'Callaghan

David O'Callaghan

Commercial Director

David has been a Banker for the past 40 years, principally in New Zealand. He is currently working as an Advisor to a large Bank in Bangkok. Over his career David has been involved in many facets of the Banking industry having held positions in Branch Banking, Personal, and Training. For the past 15 years he has held Senior Management roles to General Manager level covering Operational and Strategic areas related to Banking.

Theron Muller

Theron Muller

Customer-Experience Director

Theron is a teacher and researcher based in Japan, and is current an Associate Professor at the University of Toyama, Japan. His publications include exploration of TBL, including a chapter in the award-winning book, Teachers Exploring Tasks, and various essays on academic publishing. He is also lead editor on two book projects related to EFL, including Innovating EFL Teaching in Asia, published by Palgrave Macmillan. Currently, his research interests include investigating the experiences of authors pursuing academic publication, journal review systems, and improvement of distance MA programs. A Featured Speaker at JALT2011, he is active with JALT Publications, an Associate Editor with the Asian ESP Journal, part of the University of Birmingham CELS Open Distance Learning team, and an active member of MASH Collaboration, where he is an instructor for the online MASH Academic Publishing course.

Giovanni Rottura

Giovanni Rottura

International Marketing Director

Giovanni has spent his whole career working in the education industry. Although originally from Italy, he's been based in the UK since 1989 and is C.E.O of Gallery Languages. Thanks to his dedication and good natured sense of humor, he's always received top results. "Once I start running," says Giovanni, "no one can catch me, except for Reuben, my chocolate Labrador. Giovanni's work with teachers across Europe and his support for teacher development projects is legendary.