Kathy Zhang is a research affiliate at Columbia’s Center for Sustainable Urban Development and Operations Manager at Substack. Most recently, Kathy worked on decarbonizing urban transport at Uber by expanding its bike and scooter share programs globally. Previously, Kathy directed operations and special projects at the Tow Center for Digital Journalism and led communications at the UN Sustainable Development Solutions Network (SDSN). As an undergraduate, Kathy founded the Sustainability Media Lab, an initiative empowering students to mainstream sustainable development through media and communications. She also founded Columbia’s Sustainability Media Lab and serves as the current president of Columbia's Undergraduate Sustainable Development Alumni Board. 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.