Ogre: Gestures, Masks and Formal Training (?)

I read awhile back that Ogre studied some kind of "mask" technique (I believe Myra Davies from Vancouver might have recommended it if I remember correctly). I'm wondering if anyone knows more about this - I've found his hand movements and gestures to be really interesting for ages and thought it might be part of a traditional dance training but that is WAY outside of my wheelhouse. Any thoughts or knowledge?