From Fedora Project Wiki

See http://djdelorie.fedorapeople.org/

DJ Delorie is a software engineer at Red Hat Inc (dj@redhat.c), and a hardware engineer as a hobby (dj@delorie.c), specializing in deeply embedded toolchains (gcc/binutils/sim) and initial hardware bootstrapping.

Relevent websites:

http://www.delorie.com/pcb/

http://people.redhat.com/~dj/