This contribution to a forum on "Diasporas and IR" aspires to elucidate theoretical connections between International Relations as a discipline, and the under-theorized study of transnational diaspora poliics. It discusses two important concepts: "autonomy" of diaspora agents vis-a-vis original homelands, and their "positionality," or positions of power in different states and international organizations. These concepts are important yet undertheorized in the study of IR