Core members-wise, it was Miburo, Ramza, IG, Me, Glads, and occasionally Kamen when he behaved himself.
Then we expanded it to include you, I believe and tried to get GG and Nik in it, but I don't recall them in any of the group chats.
Of course, this was SHR/SHR2 era stuff, so my memory might have gone to shit since then.