Both forms of agility—local and enterprise—matter in the 21st century, and the tension can be productive. The essential role of leaders is to find the right balance in order to gain the benefits of small, divisional, local units as well as the benefits of large, integrated organizations that exploit the collective assets of scale. In a truly collab

First is the program level: a group of two or more teams working in coordination to achieve a shared goal. The second is the portfolio level: the collection of all the work in an organization.