It is currently estimated that only 13 percent of middle managers posted overseas by U.S. companies are women, even though women make up nearly half of the middle managers at these companies.

What do you think are the reasons for such an imbalance? At the same time, a poll of human resources executives shows that 80 percent of them believed that global work experience was essential for advancement. Can this be seen as the potential for creating a global glass ceiling?

What can companies do to overcome such bias?