Stephen Hammer serves as Advisor, Global Partnerships and Strategy, to the WBG’s Vice President for Sustainable Development and the Global Director of the WBG’s Climate Change team. Dr. Hammer leads on the Bank’s engagement on climate change issues with the United Nations, the G7, and the G20, and other development partners. He previously served as the Bank’s Manager of Climate Policy, where his team had responsibility for shaping the WBG’s global perspective on climate change policy, mainstreaming climate change into Bank Group operations, and delivering specialized technical advisory services to clients. Prior to joining the climate team, Dr. Hammer led the Bank’s global work on cities and climate change issues, working extensively in Vietnam, Ethiopia, Romania, and Egypt. Between 2005 and 2013, he taught full-time at the Massachusetts Institute of Technology (MIT) and Columbia University, where his courses and research focused on urban energy systems policy and technology and how climate change will affect different urban systems. While teaching in New York, Dr. Hammer served as an advisor to then-Mayor Michael Bloomberg’s PlaNYC initiative. In 2007 he helped co-found and until 2012 served as co-Director of the Urban Climate Change Research Network (UCCRN), a global network of researchers examining climate change from an urban perspective. Dr. Hammer holds a Ph.D. from the London School of Economics, an M.P.P. from Harvard University, and a B.S. degree from University of California, Davis.