Marelize works at the intersect of innovation and human development. She has in the last two decades supported low- and middle-income countries and teams in all World Bank regions with evidence, regulatory aspects, technical advice, and implementation know-how in the health, education, and agriculture sectors. Marelize is on the editorial boards of Oxford Digital Health and Global Health Science and Practice, and have led global efforts to improve allocative efficiency of government funding in health systems. Her research interests focus on the value and regulatory dimensions of digital and data technologies for human development. Prior to joining the Bank, Marelize worked for leading private sector and non-governmental organizations on social sector transformation and innovation efforts, was an entrepreneur, university lecturer, and an employee of Malawi’s Ministry of Education, Science and Technology.