The director for the National Domestic Workers Alliance and one of TIME's Most Influential People, Ai Jen Poo has dedicated her life to advocating tirelessly for the rights, dignity and empowerment of women whose voices are too often silenced. In this first ChangeMAKERS installment, Cristen and Caroline talk with Poo about the role of caregivers in our society and the power women wield when they come together to make change happen.