In enterprise software companies, the two most important positions tend to be VP of sales and VP of engineering. - Ben Horowitz

courage is particularly important, because every decision that a CEO makes is based on incomplete information. At the time of any given decision, the CEO will generally have less than 10 percent of the information typically present in the post hoc Harvard Business School case study. As a result, the CEO must have the courage to bet the company on a direction even though she does not know if the direction is right. The most difficult decisions (and often the most important) are difficult precisely because they will be deeply unpopular with the CEO’s most important constituencies (employees, investors, and customers).

There has been a powerful shift toward the idea that statistical ways of thinking are going to drive the future.

When I first became a manager, I had mixed feelings about training. Logically, training for high-tech companies made sense, but my personal experience with training programs at the companies where I had worked was underwhelming. The courses were taught by outside firms who didn’t really understand our business and were teaching things that weren’t relevant. Then I read chapter 16 of Andy Grove’s management classic, High Output Management, titled “Why Training Is the Boss’s Job,” and it changed my career. Grove wrote, “Most managers seem to feel that training employees is a job that should be left to others. I, on the other hand, strongly believe that the manager should do it himself.