Rooting out gender and racial bias in the workplace requires the support of white men, says sociologist Erin Cech. Cech’s research shows white men who were targets of harassment were 70 percent more likely than other white men in their workplaces to recognize gender bias among their colleagues. What makes white men who have been harassed more sensitive to bias in their workplace? And why does it matter? Cech explains the importance of allyship for The Conversation.