ACE TEFL was founded by George Vassilakis and Alexander Makarios in January 2021, as a teacher development centre for teachers of English to speakers of other languages. We are a centre authorised by Cambridge Assessment English. Cambridge Assessment English is part of the University of Cambridge and helps millions of people learn English and prove their skills to the world

Alexander and George have trained thousands of teachers in a range of contexts, including the Cambridge CELTA and DELTA.

Alexander Makarios has been an English language teacher since 2005, a CELTA tutor since 2010, a CELTA assessor since 2019, and a DELTA tutor since 2018. Alexander is a well-known teacher trainer in the Greek ELT community, has presented in a number of conferences and published articles in local and international ELT publications. At ACE TEFL, Alexander is the Lead Trainer on the Cambridge CELTA courses..

George Vassilakis has been an English language teacher since 1986, a DELTA tutor since 1990 and a CELTA Tutor since 2005. . George is also an ELT author and has written more than twenty coursebooks. In addition, he has extensive ELT management experience as a Director in language school chains, language testing organisations and teacher training centres. At ACE TEFL, George is the Lead Trainer on the Cambridge DELTA courses and the Train the Trainer course.

ACE TEFL (Athens Centre for Teachers of English as a Foreign Language) is the business name of ACE TEFL Private Company (registration number: 157784903000, Greek Business Registry).

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