Grassroots Campaigns, Inc. (GCI) is a for-profit left-wing advocacy consultancy best known for supplying canvassers for left-of-center advocacy causes. Doug Phelps, president of the left-wing telemarketing company Telefund and the Public Interest Network, is chief executive officer of GCI. GCI is affiliated with the Public Interest Network.
GCI was created in December 2003 in Denver, Colorado. As of October 2018, its principal office is in Boston, Massachusetts.