Cameron Albertson

Lead Trainer
Nationality: American

MA Applied Linguistics and English Language Teaching

Cameron has over a decade of experience teaching in many contexts, including English for academic purposes, business English, young learners, and test preparation, both in person and online. He has taught in South Korea, China, and Thailand. His approach to teacher-training focuses on hands-on teaching experience combined with reflective practice, informed by theories of learning and language acquisition.

Sean O'Leary

Trainer
Nationality: British

Sean comes from London but has lived outside the UK for over 20 years, working in a Turkish university for 10 years, teaching and working in the Curriculum & Testing departments. He then lived in Vietnam for three years teaching academic English and IELTS. He then moved to Chiang Mai and has worked in CMU's Faculty of Humanities then the Language Institute for the last 10 years as a teacher trainer and English for specific purposes teacher. Sean is a life long vegetarian and an Arsenal supporter.

Mine O'Leary

Trainer
Nationality: Turkish

Mine has been teaching English for more than 20 years. She has taught in a variety of countries including Turkey, Vietnam and Thailand. She has taught in all fields of English including general English, young learners, academic English, exam based courses, and online.Mine is a vegetarian, a rock singer, a huge animal lover, and an internationally recognized yoga teacher.

Ceylin Özünlü

Trainer
Nationality: Turkish

MA in English Language Teaching

Ceylin is an experienced English language instructor with over 15 years of teaching experience in academic English, young learners, and adult education. She has worked in diverse educational contexts, including universities and international programs with Turkish, Syrian, Myanmar, Chinese, Japanese and Thai students.

Her approach combines communicative language teaching with mindfulness and reflective practice, creating supportive learning environments where students can overcome language anxiety and build confidence. She maintains & broadens her vision by visiting a new country each year, metaphysics studies and partner dancing.

Melissa Jones

Trainer
Nationality: .

BA Linguistics

Melissa is an experienced teacher, TEFL trainer, and curriculum developer with 10 years of international teaching experience in Canada, Saudi Arabia, and Thailand. She has designed and implemented a wide range of English courses, from practical communication programs to academic and research-focused courses. Melissa is passionate about developing learner-centered materials that promote meaningful communication and intercultural understanding.

Geoffrey Mauk

Trainer
Nationality: American

Geoffrey has been teaching at the Language Institute since 2012. He is a certified Cambridge speaking examiner, and has experience teaching the entire spectrum of ages and levels, from three-year-olds to seniors, true beginners to post grad students. Geoffrey is married to a Thai national, so he has a good perspective on Thai culture.