NIIBE Yutaka is a Free Software Hacker for 20 years. He is a contributor/maintainer/tester for GNU Emacs, Linux PLIP driver, GNU C Library, GNU Guile, Linux SuperH architecter port, and more. Yutaka is also a founding member of Free Software Initiative of Japan and a GNU Patron several times. He is acting as a board observer of FSF Latin America. He is the Inventor of the "Gniibe Distributed Hanoi Protocol" and principal author of "Gnuk".