This document provides an overview of innovation in the food industry based on case studies of innovative food businesses. It finds that innovation requires an understanding of customer needs and market opportunities as well as a commitment to exploiting those opportunities through new products, processes or business models. Both large and small companies benefit from taking an organic approach to management that encourages collaboration between functions. While scientific research can enable innovation, understanding market needs and finding ways to meet them is more important than new technologies alone. The case studies illustrate a variety of sources of innovation, with the most reliable coming from addressing unexpected successes or failures in the market.