Marie Gaarder is executive director of 3ie, leading the organization’s efforts to improve lives in low- and middle-income countries by supporting the generation and effective use of high-quality and relevant evidence to inform decision-making. Gaarder has over 20 years of experience managing operational and research projects with a development focus. Her prior positions include manager in the World Bank’s Independent Evaluation Group, director of the evaluation department at the Norwegian Agency for Development Cooperation, and senior social development economist at the Inter-American Development Bank.