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certificates

GET TESOL/TEFL CERTIFIED with iTDi

Since 2012, iTDi has trained thousands of teachers in over 100 countries through iTDi Global Webinars, iTDi Advanced Skills Courses, and our two popular online courses: English for Teachers (EFT) and Teacher Development (TD). We offer online trainings, face-to-face trainings, and blended learning solutions for Ministries of Education (MOEs), Corporate clients, and individual teachers. We currently offer two TESOL/TEFL certification programs:

English for EFL Teachers

The English for EFL Teachers Certificate Program is a content-based course designed to further develop your English language skills and then have those skills validated by iTDi.

In each 8-week course, you'll explore a subject area like motivation with a small group of other teachers. As you explore content, your tutor will guide you through language tasks that enrich vocabulary, increase fluency, and develop academic writing skills.

Along the way, you'll get lots of personal feedback and evaluation. Each course begins and ends with an English language assessment to measure progress. Seeing the results will increase your confidence. After successfully completing an 8-week course, you will receive a Certificate of Completion and earn 20 professional development credit hours.

Teachers working towards English For EFL Teachers Certification and an official validation of their English language level by iTDi will need to complete a minimum of two 8-week courses in the program.

Who should take courses in the English for EFL Teachers Program?

  • In-Service teachers who want to share and collaborate more internationally with the global ELT community but don't feel confident about their English language skills.
  • In-Service teachers who find it difficult to fully participate in professional development opportunities on or off line because of their English language skills.
  • In-service teachers who want to have the English language skills verified in order to qualify to teach more advanced classes or improve their employment options.
  • In-service or pre-service teachers who want to prepare for standardized tests of English.
  • Pre-service teachers who want to improve their English language skills before taking a TEFL certification course.
Click here to learn more about the iTDi English for TEFL Teachers certificates.

TEFL Teacher Skills Development

The TESOL/TEFL Teacher Skills Development Certificate Program consists of practical 8-week topic-based courses focused on a single area of classroom teaching. With a cohort of fellow teachers and and a world class iTDi Tutor, you'll focus on this area in depth and come away with new understandings and enhanced teaching skills. After successfully completing one of these 8-week courses, you will earn 20 professional development credit hours. Teachers working towards TESOL/TEFL certification from iTDi will need to take four 8-week online courses and complete a face-to-face teaching practicum.

Who should take the TESOL/TEFL Teacher Skills Development Certificate Program?

  • In-service teachers who want to focus on improving specific teaching skills and earn professional development credit to fulfill continuing education requirements.
  • In-service teachers who want to validate their credentials by getting iTDi TESOL/TEFL Certified.
  • Anyone who needs to earn TESOL/TEFL certification in order to begin a career in teaching English as a Foreign Language.
Click here to learn more about the iTDi TESOL/TEFL Teacher Skills Development certificates.

Not All TESOL Certificates Are The Same

Actually, anyone can offer a "TESOL Certificate" these days, so we think you should know who wrote the material you will study. The iTDi Faculty behind our topic-based courses include some of the most respected teacher educators and some of the most experienced ELT materials writers in the world


Each 8-week certificate course costs *US$199 and includes:

  • Small-group collaboration led by a world-class iTDi Tutor.
  • Online lessons that can be repeated and reviewed.
  • A private online discussion area where you'll work with other participants & your tutor.
  • Topic-related tasks and evaluative feedback.
  • 5 Live Online Sessions to review unit contents, reflect and share ideas.
  • Evaluation of coursework by your tutor and verification from iTDi Faculty.
  • A Certificate of Completion for teachers who successfully fulfill course requirements.

*A limited number of full and partial scholarships are available


We have many iTDi Certificate tutors available in our team, but here's introducing four: (Click their pictures for more information)

Steven Herder

Steven Herder

"Making the decision to invest in improving yourself is your job. Helping you get where you want to go is my job. Working together, this course will certainly lead to greater opportunities in your professional development."

Phil Brown

Phil Brown

"Taking courses with iTDi not only offers you professional development you want and need, but also gives you countless opportunities to connect to an ever-evolving and expanding global community of English teachers, trainers, authors and researchers"

Gareth Knight

Gareth Knight

"The success of the course depends on taking new knowledge and combining it with experience. We can look at our experiences and learn from them, and then share with others. It's a collaborative journey of trying and reflecting."

Chuck Sandy

Chuck Sandy

"If we want to keep growing as teachers, we must devote ourselves to a lifetime of learning."

Steven Herder

Steven Herder

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".

Phil Brown

Phil Brown

Phil loves teaching and learning, reflecting and growing with others. Exploring the learning process from many perspectives, he enjoys connecting meaningfully with a wide range of people. From 2001 to 2014, he taught EFL in various contexts in Japan, from kindergarten, junior and senior high school, and university, to 'juku' (cram school), private corporations, and government ministries, as well as volunteered on Peace Boat. He has been a tutor on the University of Birmingham Distance MA TESL and Applied Linguistics programs since 2009, and is founding member of MASH Collaboration, supporting EFL educator's professional development.

Phil's main pedagogical and research interests include learner and teacher autonomy and development (especially vocabulary learning strategies, self-access and negotiated learning), as well as critical and creative thinking, global issues, content-based learning and content and language integrated learning (CLIL). Together with Theron Muller, Steven Herder and John Adamson, Phil is coeditor of Innovating EFL Teaching in Asia (2012, Palgrave Macmillan) and Exploring EFL Fluency in Asia (2014, Palgrave Macmillan).

Gareth Knight

Gareth Knight

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.

Chuck Sandy

Chuck Sandy

Chuck is a teacher, teacher trainer, author & educational activist with 30 years of experience. His many publications include the Passages and Connect series from Cambridge University Press and the Active Skills For Communication series from Cengage Learning. Although he's a frequent presenter at conferences and workshops around the world, much of his work with teachers takes places online. 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 believes so strongly in the principles which drive iTDi.