“The most confusing places to start are midsize, rapidly growing companies. That’s because parts of the company are growing quickly, with an emphasis on execution, and other parts have largely stabilized, with ideas becoming the more valued currency. Long bones have growth plates at their ends, which is where the growth happens, and the middle doesn’t grow. This is a pretty apt metaphor for rapidly growing companies, and a useful mental model when trying to understand why your behaviors might not be resonating in a new role.”