I am impressed that you organized almost two hundred people in one meeting. A+

I went to an event called Nostriga - a Riga Nostr conference. nostr:npub1wmr34t36fy03m8hvgl96zl3znndyzyaqhwmwdtshwmtkg03fetaqhjg240  put together these topic circles (I ran one for Zap.Cooking - a nostr recipe app) and If I heard you correctly in this video you wanted to take this group and do smaller group chats amongst this group, pairing people from different countries ( I am still watching it: https://www.youtube.com/watch?v=GXFX-0aaGl8 )

I was thinking that maybe this could be something that happens IRL in the future with this group. 

Not sure if you know each other, but I tagged him just in case this sparks some ideas.