Catherine D’Ignazio is a hacker mama, scholar, and artist/designer who focuses on feminist technology, data justice and civic engagement. Her 2020 book from MIT Press, Data Feminism, co-authored with Lauren Klein, charts a course for more ethical and empowering data science practices. Her second book, Counting Feminicide: Data Feminism in Action (MIT Press, 2024) is an extended case study about grassroots data activism to end gender-related violence and emerges from the collaborative project Data Against Feminicide. D’Ignazio is an Associate Professor of Urban Science and Planning in the Department of Urban Studies and Planning at MIT where she is the Director of the Data + Feminism Lab.