EXECUTIVE OFFICE OF THE MAYOR - OFFICE ON AFRICAN AFFAIRS EXECUTIVE OFFICE OF THE MAYOR - OFFICE ON AFRICAN AFFAIRS The mission of the Mayor’s Office on African Affairs (OAA) is to ensure that the full range of health, education, employment, social services, safety, business and economic development information, services and opportunities are accessible to the District’s African Diaspora community. By serving as the liaison between the District’s African community, District government agencies and the Mayor, OAA aims to: Improve the quality of life of the District’s diverse African born constituencies and their children; Increase civic and public engagement in the District’s African Diaspora community; and Support community development.