Sarah (Sally) Timpson is a consultant with over thirty-five years of executive experience in the United Nations, including in senior policy-making positions at UNDP headquarters, as well as in operational functions as Resident Coordinator of UN system activities in several developing countries.

At UNDP, Ms. Timpson established a UNDP NGO Division and led efforts to reorient policies and programs to focus on people-centered development, environmental sustainability, participation, and equity. She also headed the UNDP PROWWESS (Promotion of the Role of Women in Water and Environmental Sanitation Services)project, as well as the UNDP/Global Environment Facility Small Grants Programme (GEF SGP) until January 2003.

Most recently, Ms. Timpson has engaged in consultancies with various organizations, including Pathfinder/USAID, MacArthur Foundation, Gordon & Betty Moore Foundation, Conservation International, Barefoot College, several UNDP units and UNIFEM.

Currently, Ms. Timpson chairs the Technical Advisory Committee of the Equator Initiative and serves as a member of the UNDP/UNEP/IUCN SEED Prize jury. She serves as a member of the Board of Synergos and Water Aid US and is a former board member of Rare Conservation. She is also a member of the Council on Foreign Relations and the Asia Society.

Ms. Timpson holds a B.A. from Smith College and an M.A. in International Affairs from Johns Hopkins School of Advanced International Studies.