This document discusses Communitech, a not-for-profit organization founded in 1997 to help tech companies in Canada start and grow. It provides insights into how large, established companies can foster innovation through a portfolio approach that balances executing current business models, experimenting on new ideas, and disrupting existing models. It emphasizes that innovation succeeds through discipline, not just ideas, and stresses the importance of identifying different types of employees - those focused on execution, experimentation, and disruption - and engaging them in appropriate ways to rapidly translate ideas into action.