This document provides an overview of intentional and systematic approaches to innovation that could improve philanthropy and increase social impact. It discusses how innovation does not need to be unpredictable, but can be managed systematically using distinct processes and tools. A framework is presented for understanding the innovation process, covering stages from defining problems to diffusing solutions. Opportunities for innovation in philanthropy are explored, along with different roles organizations and individuals can play in the innovation process. The goal is to spark discussion on how to advance innovation in the social sector in a deliberate and sustainable manner over time.