The owner of this forum Technically is Satoshi Nakamoto.
But now it is run by Theymos he is the new boss here and he do all the things related to the forum and everything is under him he is the new owner we can say. You can check his posts though you will understand and the rest of the post in META section.
Also this post is not in the right section.
Not really. The forum is founded by Satoshi, but you can say that now it's owned by theymos. He has the highest authority here and holds and manage the forums Bitcoin.
The first user was made for testing purposes.
I believe sirius is the owner of bitcointalk.org and Bitcoin.org (if I remember clearly what I read few years here somewhere).
Not anymore.
Bitcoin.org and Bitcointalk.org are now co-owned by theymos and
CøbraIs it the bitcoin foundation?
No. The Bitcoin Foundation has nothing to do with the forum.
Both bitcoin.org and bitcointalk.org are owned by me and theymos, though I'm more active on the bitcoin.org project, and theymos is more active here.
Satoshi and Sirius used to be involved, but they're not active anymore.