Despite efforts to increase diversity within Fortune 500 companies and larger numbers of highly motivated and educated women in the workforce, women remain vastly under-represented at the highest levels of corporate leadership. Only about 15 percent of women hold senior executive positions, and about 17 percent are represented on corporate boards; worldwide, only 3-4 percent of CEOs are women. These statistics are in spite of the fact that many companies are actively seeking to take advantage of the financial boost that gender balance at the corporate level brings: Companies that have...