Abstract: Science is only one of many competing priorities for policymakers, so physicists and members of the physics community must be vocal in order to have their needs met. The American Physical Society's Office of Public Affairs (OPA) handles policy and advocacy issues for the society in order to foster the progress of the field of physics. OPA's activities range from helping to craft APS policy position statements to going directly to Capitol Hill with APS members to meet with Senate and House offices to advocate for the needs of the physics community. This talk will discuss the different aspects of OPA's activities and how members of the physics community can get involved to help ensure a positive future for the field of physics.