Angela Merkel, German chancellorPhotograph: Yves Herman/ReutersArianna Huffington, co-founder and editor-in-chief of The Huffington PostPhotograph: Stefano Carofei/Rex FeaturesCynthia Carroll, chief executive of mining group Anglo American Photograph: Bloomberg/Getty Images
Ellen Kullman, chairman and chief executive of chemical group DuPontPhotograph: Bloomberg/Getty ImagesFinland's president Tarja HalonenPhotograph: Bloomberg/Getty ImagesFrance's finance minister Christine Lagarde Photograph: Martin Bureau/AFP/Getty ImagesIndra Nooyi, chairman and chief executive of PepsiCoPhotograph: Bloomberg/Getty ImagesMelinda Gates, co-chair of the Gates FoundationPhotograph: Jim Watson/AFP/Getty ImagesPatricia Woertz, chairman, president, and chief executive of agricultural group Archer Daniels MidlandPhotograph: Bloomberg/Getty ImagesSpain's finance minister Elena SalgadoPhotograph: Christian Sinibaldi for the Guardian
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