Women are promoted into management at much lower rates then men are in many industries, which ends up in underrepresentation at the highest levels.
https://www.ellevatenetwork.com/articles/7823-lecturing-men-...
https://www.ellevatenetwork.com/articles/7823-lecturing-men-...
It's a biology thing related to men having more testosterone and being more prone to pursuing promotions due to being more aggressive.
It's like punishing the teacher for only calling upon the people who raise their hands.