“We have this idea that extroverts are better salespeople. As a result, extroverts are more likely to enter sales; extroverts are more likely to get promoted in sales jobs. But if you look at the correlation between extroversion and actual sales performance - that is, how many times the cash register actually rings - the correlation's almost zero.”

American non-fiction writer

Daniel H. Pink is an American non-fiction writer known for his bestselling books and public work on ideas about work, motivation, and behavior. He is credited with seven New York Times bestsellers. He also hosted and co-executive produced the National Geographic Channel social science series Crowd Control. Earlier, from 1995 to 1997, he served as chief speechwriter for Vice President Al Gore, bringing political communications experience to his later writing.