Susan Castillo heads the Oregon Department of Education as the Superintendent of Public Instruction. Although she currently holds an elective statewide non-partisan office, she is a Democrat, and served from 1997 to 2003 in the Oregon State Senate as a member of that party. Wikipedia*
On the C-SPAN Networks:
Susan Castillo has two videos in the C-SPAN Video Library; the first appearance was a 2004 Meeting as a Vice Chair for the Platform Committee of the Democratic National Committee.