The Momentum Myth: The Impact of Turnover on Women’s Representation on Fortune 500 Boards report addresses the myth that because so many companies are appointing women directors, women’s overall representation is poised to reach parity rapidly. In reality, men currently fill the vast majority of vacant and new board seats, resulting in a dilution effect: women are behind and only have enough momentum to maintain the status quo. More widespread, deliberate, sustained action is necessary to produce meaningful growth in women’s share of board seats.