Read any profile of a successful entrepreneur or executive, and eventually you'll find some reference to the fact that they get up early. The folks who start multimillion-dollar businesses, write bestselling business books, and do TED Talks all seem to get up at the crack of dawn. So where do they get the get-up-and-go?
If your CEO is a man, he most likely has a deeper voice than average, according to recent research from Duke University. If the head honcho is a woman, on the other hand, her voice is likely to be similar in pitch to the average woman. The way she uses it, however, is completely different than her less successful colleagues.