Mariama N’Diaye, a design fellow at the MIT Morningside Academy for Design (MAD), works to transform the public sector through design thinking and innovation. With a diverse background in urban planning and business administration — she’s pursuing a dual master’s degree at the Department of Urban Studies and Planning (DUSP) and the MIT Sloan School of Management — N’Diaye has dedicated her career to addressing complex social issues within government systems and uplifting marginalized communities. “Several years ago, my very first summer on the job [at Bloomberg Associates], my boss…