The Industrial Areas Foundation (IAF) is a national community organizing network established in 1940 by Saul Alinsky, Roman Catholic Bishop Bernard James Sheil and businessman and founder of the "Chicago Sun-Times" Marshall Field III. The IAF partners with religious congregations and civic organizations at the local level to help them build organizations of organizations, referred to as broad-based organizations by the Industrial Areas Foundation, with the purpose of strengthening citizen leadership, developing trust across a community's dividing lines and taking action on issues identified by local community leaders.