Re: @ Jon Arden
GDC used to be mainly about and to some extent still is about talks and presentations on new mathematical approaches to AI and GFX rendering techniques and women are represented 40/60 female to male on Mathematics degrees.
My first response to this seems to have gone into moderation, or dev null so I won't repeat what was in that post (comments from a lady friend). However, I forgot two things.
Have an upvote.
And it's a very great mistake to believe that if you have a 40/60 ratio for maths degrees, that doesn't necessarily translate to a similar ratio in regards to game development.