Despite significant corporate commitment to the advancement of women’s careers, progress appears to have stalled. The percentage of women on boards and senior-executive teams remains stuck at around 15 percent in many countries, and just 3 percent of Fortune 500 CEOs are women.

The last generation of workplace innovations—policies to support women with young children, networks to help women navigate their careers, formal sponsorship programs to ensure professional development—broke down structural barriers holding women back. The next frontier is toppling invisible barriers: mind-sets widely held by managers, men and women alike, that are rarely acknowledged but block the way.