Most posts on this blog are contibuted by Anders, but there are some other people that chips in sometimes too.
Anders is a passionate agile developer an architect working as a consultant in Oslo. See http://about.me/anderssv for references to twitter, Linkedin and other stuff he has done, and some more information.
Øyvind works as a consultant in Oslo, Norway. He does development on J2EE and J2ME and has past experience as a founder and technical manager at a small start up.