Does It Make Sense for Developers to Wear the Scrum Master’s Hat? Of course I believe you already know what my answer is going to be... Join V. Lee Henson, President and Founder of AgileDad as we discuss an article written by Dave Pereira and what we can do to make certain this never happens. 

https://medium.com/serious-scrum/does-it-make-sense-for-developers-to-wear-the-scrum-masters-hat-a42d0c138a2e