Sean O’Leary

Sean has been teaching at the Language Institute Chiang Mai University (LICMU) since 2009. Before working with LICMU, Sean worked at Bilkent University in Turkey as a EFL Instructor in the English Department. Sean holds a TEFL Diploma from Brighton University, UK (1989) as well as Diploma in Teacher Training from the British Council (2000). During semester breaks, Sean returns back to the UK to teach EAP at the University of Glasgow. Sean has extensive knowledge of SEA and has also worked in Vietnam as an Academic Manager.

Recent Albums

Congratulations to Our August–September 2025 CMU TEFL Trainees! 

12 September 2025

🎉 Congratulations to Our August–September 2025 CMU TEFL Trainees! 🏫💛 You’ve officially com [...]
Congratulations to Our February 2025 CMU TEFL Graduates!

16 July 2025

We are proud to celebrate the success of our newest TEFL-certified educators—Tharaphe from [...]
February 2025 CMU TEFL Trainees! – Kindergarten observed teaching practice

16 July 2025

Congratulations to Our February 2025 CMU TEFL Trainees! You’ve completed your kindergarten [...]
Congratulations to Our February 2025 CMU TEFL Trainees!

16 July 2025

You’ve successfully completed your onsite university-level observed teaching practic [...]
Congratulations to our January 2025 CMU TEFL Graduates!

21 May 2025

We are thrilled to celebrate the achievements of our diverse and talented graduates: Your [...]
Well Done, January 2025 CMU TEFL Trainees!

21 May 2025

Our trainees have officially completed all their off-campus observed teaching practices at [...]