Roundtable on Collective Impact In the NewsAug 16, 2012 Roundtable on Collective Impact On June 4, a dozen social sector leaders gathered in Washington, D.C., to discuss the ways in which growing numbers of communities are aligning resources and pulling together to create significant change on a community problem—an approach called collective impact. Aug 16, 2012 Stanford Social Innovation Review Eric Nee, Michele Jolin