Require corporations to have a minimum percentage of women (and men) on their Boards.

The easiest change would be to require corporations to have a minimum percentage of women (and men) on their Boards. Say, 45%. That sounds about right. Germany is the latest country to establish such quotas: http://www.nytimes.com/2015/03/07/world/europe/german-law-requires-more-women-on-corporate-boards.html?_r=0

This change would erode the unconscious bias against women in higher-paying jobs. It would be a legal change, but would function also as a powerful cultural message for gender equality