The chairwoman of Time’s Up, a group that supports victims of sexual harassment, resigned Monday amid backlash over revelations she helped New York Gov. Andrew Cuomo in drafting a letter that smeared one of his accusers.

The chairwoman of Time’s Up, a group that supports victims of sexual harassment, resigned Monday amid backlash over revelations she helped New York Gov. Andrew Cuomo in drafting a letter that smeared one of his accusers.