FOSDEM is the biggest free and non-commercial event organized by and for the community. Its goal is to provide Free and Open Source developers a place to meet. No registration necessary.

   

Donnie Berkholz

Donnie is an open-source developer and leader of Gentoo Linux as well as
an IT industry analyst at RedMonk. He brings a strong quantitative and
analytical background as a Ph.D.-trained scientist to bear on software
development and community management.