EGF 7d Ten (Antti Törmänen) is going to be giving paid lectures on OGS, starting August 2nd, 2015. Please see this group for further details.
Lectures will be on Sundays at 8:00 PM GMT +9 (11:00 AM GMT).
More posts to follow regarding individual lectures.
You can also check out Ten’s blog for more background on the man himself.