TwitchCon AsiaPacific or TwitchCon Australia
a TwitchCon in either Australia or the Asia Pacific region.
if not a stand alone con, maybe partner with OzComicCon or SupaNova
Even in Australia partner with state level conventions to hold panels there and stalls (Twitch Merch for sale? and possibly give streamers in that state the ability be involved?).
I'm in South Australia and our local convention/festival is AVCON. They started as a University Club/Event originally but is much bigger now and is run entirely by volunteers! (Yes I have been involved as a volunteer for a number of years too!)
Conventions like this are funded entirely by ticket sales and local sponsors to cover running cost and to partner with state level conventions like AVCON helps to boost Twitch and streamers at a local level and can provide a safe space to run panels on streaming with Twitch; opening conversation on issues facing streamers and viewers on the platform, a place to ask questions in a general sense about ToS and discuss future or potential developments in the pipeline for Twitch generally.
These panels could be a chance for Twitch to recruit local small and big streamers to be panel members to discuss different topics. Possibly you could even run panels for Twitch users only (pre-registration only), similarly a TwitchCon Night for streamers to meet as a part of the convention would be awesome too!
Must get the third venue in Melbourne/Sydney in Australia or Hongkong/Taipei/Tokyo/Seoul for Asia Pacific!