Exactly, as Lamont Cranston determined from his in-depth research, corporations and boardrooms are not diverse because minorities self-select into low-wage jobs. Only white males are capable of being "aggressive sales types".

"Affirmative Action Is Great For White Women. So Why Do They Hate It?"

http://www.huffingtonpost.com/entry/affirmative-action-white-women_us_56a0ef6ae4b0d8cc1098d3a5