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.

   

Allan Day

Allan Day is a long-standing member of the GNOME design team, and has
worked on the design of many GNOME components, including GNOME Shell,
the GNOME Control Center, Nautilus and Contacts. He is also a member
of the GNOME marketing team. He works for Red Hat as a User Experience
designer.