Disaster philanthropy is the term used when a foundation responds to a natural disaster, man-made emergency or complex humanitarian crisis with grantmaking or fund raising. Ever since Hurricane Katrina in 2005, leaders in the philanthropic community have become more aware of the importance of this approach to giving. What follows are the stories of three Minnesota organizations that have made the foray into disaster philanthropy. What have they learned from their experiences? And how can this approach help every foundation do a better job of delivering on its core mission?