As public services enter an era of permanently declining resources, partnerships and new sources of funding will increasingly become the norm. Supported by the federal Social Innovation Fund, social impact bonds are a promising new financing model that could both accelerate social innovations and improve the impact of local public services. But how would they work in San Francisco? Join Eric McDonnell, Chief Operating Office for the United Way of the Bay Area, Jason Elliott, Director of Legislative & Government Affairs for the Office of Mayor Edwin M. Lee, Monica Pressley, Chief Financial Officer of the San Francisco Foundation, and Lenny Mendonca, Senior Partner and Director of the McKinsey Global Institute.