Fiddler graduated from the University of Arkansas in 2002 with a Bachelor's degree in International Relations, European Studies and Political Science and received a law degree from the College of William & Mary in 2007.
Fiddler was the Senior Director of External Affairs, the Deputy Director of External Affairs and the External Affairs Associate at Media Matters for America. She was also the Communications Director and the Deputy Finance Director at the Democratic Party of Virginia. She also served as the Development Director for the Center for Progressive Reform. She also worked as a deputy clerk at Henrico County Juvenile and Domestic Relations District Court. During law school, Fiddler completed two legislative internships with Virginia Delegate Jim Scott. She also enjoyed a brief stint as a political cartoonist.
- Site Listing of Staffing of Media Matters Scrubbed from the Web Way Back Machine, May 23, 2009