There are many learnings we collect along our journey as Scrum Masters. However, transformative lessons are not that common, except for Jeff in this particular job. Listen how he learned 2 lessons that totally changed how he looks at his job as a Scrum Master.
About Jeff Campbell
Jeff is an Agile Coach who considers the discovery of Agile and Lean to be one of the most defining moments of his life, and considers helping others to improve their working life not to simply be a job, but a social responsibility. As an Agile Coach, he has worked with driving Agile transformations in organisations both small and large. He is one of the founding members of www.scrumbeers.com and an organiser of www.brewingagile.org in his spare time. He is also the author of an open source book called Actionable Agile Tools, where he explains how he uses 15 of the tools he uses in his daily work as a scrum master and agile coach.
You can link with Jeff Campbell on LinkedIn, and connect with Jeff Campbell on Twitter.

Dennis is an Agile Coach with a lot of experience in the technical side of software development. Dennis has worked with teams in different industries, is thinking of writing a book about continuous delivery (bug him if you want to know more), and he loves, really loves his work.
Juha is a entrepreneur, programmer, kanbanista and a unicorn. He calls Software a garden, and says that he tries to be a gardener tending the soil as well as the specific plants.
Daniel is a developer turned Scrum Master turned Agile Coach, with an increasing focus on the coach part. Over the last 10+ years, his interest in how teams work and how we interact as individuals has only grown. He has worked in both small and large companies and tried to cope with the complexities in both worlds.
Sebastian has an extremely strong work ethic, a great passion to his work, unwavering desire for excellence, and unabated willingness to share his rich knowledge.