* Red Hat / Fedora OS developer (2007 to present)
* Xorg (X Wingow System) developer (2007 to present)
* GCC compiler maintainer (2003 to present)
* Red Hat / Fedora OS developer (2007 to present)
* Xorg (X Wingow System) developer (2007 to present)
* GCC compiler maintainer (2003 to present)