There are a lot of talks and stories about Agile methods such as Scrum, Kanban, and XP. They certainly work for individual teams. And what would you do if you have a lot of teams in the company, or if you have a big product, which requires interaction between many teams for success? There are successful examples of scaling using Agile and Lean principles for the last 5 or more years. During the lecture, I talk about the principles and practices behind the scale.