Philanthropy, Inequality, Social Progress How families are the unit of change and the source of leadership that our country needs Luz Vega-Marquis is the president and CEO of Marguerite Casey Foundation. Their guiding principle is “building the power of poor and low-income families to end poverty”. They encourage the nonprofits and networks they support to fight “across the dividing lines of policy issues, geography, race, gender, resource scarcity, and economics". Here’s some of the lessons they’ve learned with their grantees. Lesson one is about the agency that strong networks provide.  Article: The Power of Families: From Poverty to Agency to Unity