World Bank
Andersen joined the World Bank in 1999 as Coordinator of the UNDP-World Bank International Waters Partnership between 1999 and 2001 In the following years she worked in various roles, focusing on water, environment, and sustainable development, with the Middle East and North Africa as her main area of work.
From 2010 until 2011, Andersen served as the World Bank's vice president for Sustainable Development and Head of the CGIAR Fund Council. During her tenure she oversaw the creation of the CGIAR Fund Council and the CGIAR Consortium. As Vice President for Sustainable Development, Andersen profiled a number of World Bank priorities, including: agricultural productivity and enhancing food security; infrastructure investment; climate change resilience; green growth; social accountability; disaster risk management; and culture and development.
During her tenure as Sector Director, she oversaw the scaling-up of the World Bank's analytical and investment support to underpin resilient infrastructure development for access to energy, water, and transport as well as investments in the agriculture and environment sectors. She placed special emphasis on the need to relieve climate and water stress in the region, both of which she argued pose key threats to peace and stability.
Andersen co-chaired the 2012 international donor meeting for Yemen Riyadh with the then Finance Minister of Saudi Arabia, Ibrahim Abdulaziz Al-Assaf. As Vice President for MENA, Andersen was also outspoken on the humanitarian consequences of the war in Gaza in 2014, and called for access to imports and freedom of movement in Gaza and the West Bank, while stressing the imperative of mutual assurance of security in both Palestinian territories and Israel. In 2011, Andersen represented the World Bank in the G8/G7 Finance Minister's Deauville meetings which sought to provide additional support to the Arab Region.