Here's why you should worry if a woman just got promoted to a top position at your company

It's no secret that women are seriously underrepresented in top leadership. In the US, they occupy just 20% of senior management roles. So when you spot your first female colleague setting up shop in a corner office, you might be inclined to rejoice and relax, taking her promotion as a sign that the tides are finally turning. But if there was ever a time to fret about the lack of gender diversity in your organization, it's when the first woman is promoted into senior leadership. According to new...