The national network of public health institutes, INC. (nnphi) is a national public health organization chartered on JUNE 21, 2001. Its mission is to support national public health system initiatives and strengthen public health institutes to promote (continued on SCH o) multi-sector activities resulting in measurable improvements of public health structures, systems, and outcomes. Nnphi implements a wide range of programs and activities reaching across sectors that impact health. Nnphi programs and initiatives are implemented in collaboration with our nation's public health institutes and other organizations in the public health system.