Agile methods are based on short iterations delivering functionality in increments, with small, well-defined work requests consisting of just enough requirements definition at just the right time. But with such a short-term focus, how can agile teams manage a product portfolio over months or even years? We'll talk about the building blocks of an effective agile portfolio management strategy, starting with the core tools of the Product Owner, and extending these to look beyond the next few weeks of work into planning and tracking a product release or portfolio over several months.