As I talk with various groups about what I can offer, what I want to do in my next gig (do we ever stop answering the "what do you want to be when you grow up" question?), I find myself explaining this ALL the time:
I think Barry Hawkins answers it very well. :)
And it describes me pretty much to a 'T'. Many many teams, projects and a variety of startups in a variety of industries. All of which leads to a significant humility and an aversion to dogma. :) Give it a read. I think you'll enjoy!