Another big loss for Sun – the former MySQL AB CEO
What Mickos doesn't say in the staff letter, but which I sensed in my conversation with him, is frustration at Sun's bureaucracy. As one of the most foundational personalities in open-source business, Mickos should have been given free rein to change Sun's fortunes. I don't think that he was given that freedom, based on other conversations I've had with Sun executives, and this clearly led to his desire to leave Sun.
Letting Mickos go is one of the worst decisions Sun has made. It is likely to lead to an exodus among MySQL's deep talent pool. Mickos was the backbone of MySQL's rising revenues, as an open-source pragmatist and visionary. He was the face of MySQL, but also of the rising open-source industry.