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Meet Our Trainers 


Our courses are delivered by a highly qualified and experienced team of teacher trainers who have diploma-level English language teaching qualifications. They all have substantial varied classroom-based and online English language teaching experience in numerous contexts, and they have taught a range of levels and different types of classes during their careers.

All of our trainers have been through Cambridge CELTA’s rigorous training program, and they are also regularly assessed after each course they deliver by a member of Cambridge’s assessor team. As a result, our training team is extremely effective in the delivery of the CELTA course and continuously involved in their own personal professional development during the courses they teach. All team members are fully committed to their role and are dedicated to the provision of the best possible training experience for our CELTA trainees.

Please see below for comments from our graduates:

CELTA Graduate Testimonials:

“The tutors on the course were obviously experienced and passionate about what they are doing, and I gained a lot from observing them in a teaching environment” (David, CELTA Graduate). 

“The trainers are very experienced teachers, and they always tried their best to help us cope with the teaching practice and assignments” (Liwen, CELTA Graduate).

The tutors were excellent, and with what I learned from them, I feel confident in my ability to manage a classroom and know how to organize a lesson” (Marcus, CELTA Graduate).


Please see below for an introduction to our CELTA trainers:

Paul Nicholson -  Assistant Director of Studies & CELTA Main Course Tutor


  • M.A Applied Linguistics & TESOL (Leicester U.K)
  • B.S.C in Psych & Counselling (Teesside U.K)
  • TESOL Certificate (Language Corp U.S)
  • Cambridge CELTA (ECC Thailand)
  • Cambridge CELTA YL Extension (ILA Vietnam)
  • DipTesol: Level 7 Diploma (Trinity London)
  • Cambridge CELTA Trainer (Cambodia)
  • Cambridge DELTA Tutor (I.H London & ITI Ist.)
  • IELTS Examiner (IDP Hanoi)


My name is Paul Nicholson and I am the Assistant Director of Studies for ACE in Cambodia. I have worked for ACE in Cambodia for over ten years. I began my career here as a teacher back in 2011 and I have delivered all of our programs across all levels and all age groups. I have worked as a Young Learner Lead Teacher, a General English Lead Teacher, an Academic Coordinator, and in my current role as an Assistant Director of Studies responsibile for teacher training and professional development. I currently develop internal professional development programs for around 350 teachers at the Australian Centre for Education’s six campuses in Phnom Penh and Siem Reap.   

I also currently lead the CELTA team and manage the day-to-day delivery of ACE’s CELTA courses as a main course tutor maintaining and developing the high standards we have achieved as the only recognized CELTA center here in Cambodia.

 Brian Cook - Academic Coordinator & CELTA Main Course Tutor




  • B.S. in Chemical Engineering (Delaware U.S.)
  • Juris Doctor (Massachusetts U.S.)
  • Cambridge CELTA (British Council Colombia)
  • Cambridge DELTA (IH London)



My name is Brian Cook. I am currently a CELTA main course tutor at ACE working on the courses we deliver in Phnom Penh, Siem Reap, and online. I have been teaching at ACE since 2014 and have been an Academic Coordinator and teacher trainer for the past several years. Prior to becoming an Academic Coordinator, I was a teacher and Lead Teacher at our campus in Siem Reap, where I got experience teaching young learners as well as teaching courses in General English, IELTS preparation, and English for Academic Purposes both face-to-face and online.

In my roles at ACE, I have helped to write internal and external teacher training courses, and I worked together with the Academic Team to train our teaching staff on how to teach online during the pandemic. I frequently deliver professional development sessions for our teaching staff on a variety of topics, and I have conducted teacher training internationally as a U.S. Department of State Virtual English Language Fellow. Additionally, I have delivered several workshops at the annual CamTESOL English Language Teaching conference in Phnom Penh.


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