The Master of Public Administration (M.P.Adm., M.P.A., or MPA) is a professional post-graduate degree in public administration which is the public sector's offering equivalent to the private sector's Master of Business Administration.The MPA program is a professional degree for the public sector and it prepares individuals to serve as managers in the executive arm of local, state/provincial, and federal/national government, and increasingly in nongovernmental organization (NGO) and nonprofit sectors; it places a focus on the systematic investigation of executive organization and management.