The ninth North American Housing and HIV/AIDS Research Summit will be held August 1-3, 2018, in Washington, DC. The scope of Summit IX includes the full range of social drivers of HIV, including poverty, housing status, food security, employment, incarceration, race/ethnicity, behavioral health issues, stigma and intimate partner violence. What impact do these drivers have on ending the HIV epidemic? What policies and programs can influence these drivers or mitigate their negative effects?