Postbox letter from Martin Foot
I'm not really sure how much a highly professional teacher can help in your average Thai school. Even as a hypothetical it doesn't seem to be in any way plausible.
Tales from an academic director / recruiter
I was a lead teacher, academic director and recruiter for a private Thai language school with several branches. I did this job for well over a decade and as you would expect - there's a story or two.