Jo (Jyotsna) Puri is currently working as Adviser, green economy transitions at UNEP. She has almost 15 years of professional experience in the field of development specially in the areas of poverty, environment, infrastructure and energy. Before joining UNEP, she was associate research scientist at Earth Institute, Columbia University and adjunct faculty at the School of International Public Affairs. She has also worked at UNDP and the World Bank in areas of environment and rural development. Puri is specially trained in using mixed qualitative and quantitative methodologies for evidence based policy making. She is lead author of a book on development indicators produced by UNDP and the co-author of a book discussing implications of climate change commitments for developing countries. She holds a Ph.D. and an M.Sc. in Agriculture and Resource Economics, and a Masters in Development Economics. She has country experience in the Caribbean, Central America, Africa and Asia.