Ricardo Fuentes-Nieva is the head of research for Oxfam GB. Prior to joining Oxfam, he worked with UNDP where he recently led the production of the first Africa Human Development Report. He co-authored several global Human Development Reports as well as the World Bank's World Development Report 2010. Before joining UNDP, he worked in the Ministry of Social Development in Mexico and the research department of the Inter-American Development Bank.
On why the post-2015 agenda should include a goal to limit the negative characteristics of inequality and how indicators of income concentration are better suited for this. One proposal that could be used is the Palma index.