A Decade After ‘Lean In,’ Progress for Women Isn’t Trickling Down

That’s one of the central findings of a new, 10-year study of the roles and promotion rates of millions of women and men at major North American companies. After all the public efforts to advance women at work, most C-suite promotions put women in positions, like human-resources and marketing, that don’t lead to the CEO job. Now as company programs designed to diversify workforces face questions about fairness, sustaining the progress could get tougher.