Generally the reason they fail in the job is, you made some mistake in the hiring process in that you didn't match... them to the needs of your company accurately enough. That's the #1 reason this fails. And that's generally a good place to start: Here's where we are and here's what I didn't recognize about us and about you when I made the decision, and now it is what it is.
Ben HorowitzMost large mistakes in organizational design come from putting the individual ambitions of the people at the top of the organization ahead of the communication paths for the people at the bottom of the organization.
Ben HorowitzThe one thing with stress is, you've got to keep your focus on what you can do, not what happened to you.
Ben Horowitz