Guilherme Motta works as an Agile Coach and facilitator, supporting software development teams at global companies. He has certifications in Scrum and agile methods from Scrum Alliance and Scrum.org. Motta lectures on technologies and agile methods and mentors startups. The document discusses how koans, paradoxical anecdotes used in Zen Buddhism to illustrate spiritual principles, can serve as metaphors for learning principles. Koans generate doubts and test the progress of those learning Zen.