Kathy Zhang works across sectors to scale public interest technology. As an early employee at Substack, Kathy led Operations and Compliance for the publishing platform. Prior to Substack, she worked on expanding Uber's e-bike and scooter share program internationally, helping cities achieve ambitious sustainable mobility and climate goals. Before entering the private sector, Kathy led operations and special projects at Columbia University’s Tow Center for Digital Journalism and led communications at the UN Sustainable Development Solutions Network (SDSN). Kathy holds a Master of International Affairs with a focus on Urban & Tech Policy and a Bachelor of Arts in Sustainable Development, both from Columbia University.