Women at Davos

Angela Merkel, German chancellor Photograph: Yves Herman/Reuters Arianna Huffington, co-founder and editor-in-chief of The Huffington Post Photograph: Stefano Carofei/Rex Features Cynthia Carroll, chief executive of mining group Anglo American Photograph: Bloomberg/Getty Images Ellen Kullman, chairman and chief executive of chemical group DuPont Photograph: Bloomberg/Getty Images Finland's president Tarja Halonen Photograph: Bloomberg/Getty Images France's finance minister Christine Lagarde Photograph: Martin Bureau/AFP/Getty Images Indra Nooyi, chairman and chief executive of PepsiCo Photograph: Bloomberg/Getty Images Melinda Gates, co-chair of the Gates Foundation Photograph: Jim Watson/AFP/Getty Images Patricia Woertz, chairman, president, and chief executive of agricultural group Archer Daniels Midland Photograph: Bloomberg/Getty Images Spain's finance minister Elena Salgado Photograph: Christian Sinibaldi for the Guardian