U.N. Secretary General Ban Ki-moon named September 24 Kandeh Yumkella as director-general of the United Nations Development Organization, chair of UN-Energy, and chief executive of the Sustainable Energy for All initiative, a United Nations public-private partnership campaign to globally expand renewable energy access. The year-old initiative aims to provide universal energy access, to double the rate of global energy efficiency improvement, and to double the share of renewable energy in the global energy mix.