If you think politics get ugly, you've clearly never sat in the boardroom of a multi-million (or billion) dollar startup. In recent years young companies reaching the arc of their success have seen explosive CEO shakeups, with employees all too eager to share their inside knowledge and experience of toxic work environments, aggression, and mismanagement all stemming from their leaders, who are often hailed as innovators and disruptors. Until, that is, it all comes crashing down.

[Photo via Getty]