The Chronicle and the Council on Foundations recently invited community-foundation leaders to take part in a discussion on Twitter about how their organizations can more effectively address social problems and advocate for important issues.

Emmett Carson, chief executive of the Silicon Valley Community Foundation; Teri A. Hansen, chief executive of the Gulf Coast Community Foundation; and Rebecca Graves, executive director of CF Insights; contributed to the discussion.

Below are highlights of the discussion. You can read the full archive for more.