Wenfei Xu is a Research Affiliate at the Civic Data Design Lab. Wenfei is a designer and planner specializing in spatial data science and visualization. She has experience in data and design firms including Stamen Design and Senseable Cities Lab at MIT. She holds a Master of City Planning and Master of Architecture from MIT and a Bachelor of Arts in Economics from the University of Chicago. At the Civic Data Design Lab, Wenfei is currently researching vacancies or underuse in residential developments in China through social media and crowd-sourced data. Previously, her projects have addressed the impact of street infrastructure on ethnic minority communities in Los Angeles, citizen-driven pollution documentation in China, network effects of governmental and non-governmental organizations in Latin America, and informal transit in Nairobi.