In this paper I argue that middle powers that are members of the G20 can extract substantial benefit from their participation in the G20 if they have both a clear long term vision of global economic governance and a plan of action that is based on obtainable short term objectives. In the article I address four issues. The first is that the institutional arrangements for global economic governance will remain unstable until the current process of changes in the balance of global political and economic power plays itself out. The second is that, given the changing international power dynamics, the current “manager” of the global economy, the G20, is unlikely to be a stable entity. Consequently it can only be effective if it focuses on the rel...