Chris Sims is a certified scrum trainer, agile coach, and recovering C++ developer who helps organizations improve their productivity and happiness. Chris is the founder of Agile Learning Labs and the co-author of two best-selling scrum books: The Elements of Scrum and Scrum: a Breathtakingly Brief and Agile Introduction. More of their writing can be found on the Agile Learning Labs blog. Before starting Agile Learning Labs in 2007, Chris made a living in roles such as: scrum master, product owner, engineering manager, project manager, software engineer, musician, and auto mechanic.