Leah Greenberg is a political activist. She is known for co-founding the organization Indivisible, where she currently serves as co-Executive Director.Greenberg was raised in Chevy Chase, Maryland. She received her B.A. from Carleton College in 2008 and her Master's degree in Law and Diplomacy from Tufts University.After graduating, Greenberg worked for Humanity United. In 2016, along with three other former Congressional staffers, she co-created the online publication Indivisible: A Practical Guide for Resisting the Trump Agenda. The guide went viral, and the project became a movement. With Levin, Greenberg created a website and encouraged supporters to form their own local chapters. In 2017, the co-founders formed a 501(c) organization, with Levin designated as Indivisible's first President and Greenberg as Vice-President.Greenberg's first book, "We Are Indivisible: A Blueprint for Democracy After Trump," was published in 2019.