Tiffiniy Cheng co-founded the Participatory Culture Foundation (PCF) in 2005 as a means for building software that could open up the media industry and system to public participation. Her political work and writing has focused on how political power relates to access and consolidation. Tiffiniy is also a co-founder of the Participatory Politics Foundation, which builds tools to make the political process more open and therefore more engaging. A website called Open Congress is a first step in creating a political process that involves the public and the public's interest. She has worked on public policy issues at Solutions for Progress and Public Knowledge.