[waterlesscloud]

The page doesn't say who is behind it, but the wiki is edited by user "vbuterin".

So maybe it's Vitalik Buterin, one of the more interesting cryptocurrency thinkers out there. Hmm.

http://about.me/vitalik_buterin

[bendoernberg]

This is indeed Vitalik's project, you can read the whitepaper on his website: http://vitalik.ca/ethereum.html

[knapp]

Also, the subreddit /r/ethereum is modded by and features a welcome post by "vbuterin".