From the Violence Interrupters website:
Tio Hardiman, Executive Director for Violence Interrupters, NFP, has dedicated his life and career to community organizing for peace and social change. In 1999, Mr. Hardiman joined CeaseFire, an award-winning public health model that has been scientifically proven to reduce shootings and killings. In 2004, Tio created the Violence Interrupters Initiative.