A famous GNOME hacker, the main author of libart, Gill, gnome-print, Gdome, gfontend; contributor to many other GNOME packages; lead developer of Ghostscript. The founder of Adogato, a site for Free Software developers, and author of its engine, mod_virgule. He transferred his 19 patents (mainly for graphics algorithms) to the Free Software community. He is a member of the Board of Directors of the GNOME Foundation.