your best bet is Russia or Asia.
and your second best bet is to invite the Russian or Asian tech so that they're a bit nearer.
usually they're really nice, they have a price, that you have to pay, and you divide it into the number of techs attending the training.
or you can ask your distreibutor if they will make one of them come... or if they have an educator with such skills (and request picts)
or also nearer Pepyn Borrel, Internationnal Master Artist for years has settle his own academy in Holland, he works with the best of every brand, and really, this rocks. had the chance to train with him and I can tell you he's a pleasure to learn from, talk to, etc.
and he speaks English, which is not always sure with Russian techs
hth...