Located in the Nation's Capital, NCSD is a national public health membership organization representing health department STD directors, their support staff, and community-based partners across 50 states, seven large cities, and eight US territories. Vision - A nation where all people are empowered to live sexually healthy lives. Mission - To advance equitable, effective STI prevention programs and services in all communities across the country. We do this as the voice of our membership. Values - Integrity. Transparency. Collaboration. Health Equity. Innovation.