It takes Champions to make champions. But is that actually true? What it takes to win is not what it takes to teach. Being a BJJ Champion requires incredible levels of focus, discipline and self determination. Being a great coach requires great communication skills, setting a good example and empathy to relate to someone else's struggles. 
JT & Joey examine examples of great coaches who were not champions and phenomenal athletes who have proven to suck at coaching. Your relationship with your coach is one of the most important factors in the BJJ Journey and their past experience can really help or hinder your development.