Appointed Assistant Secretary-General for Economic Development and Chief Economist effective 2 April 2018. Mr Harris served as Assistant Secretary-General and Head of the New York Office of the United Nations Environment Programme (UNEP) from 2015. He joined UNEP’s Senior Management Team in 2013 as Director of the New York Office and Secretary to the Environment Management Group. Prior to joining UNEP, Mr. Harris began his career in the International Monetary Fund (IMF) in 1988, where he worked in the African Department and the Fiscal Affairs Department.