Barack Obama Angela Merkel Vladimir Putin Bill Gates Pope Benedict XVI Ben Bernanke Abdullah bin Abdul Aziz al Saud Mario Draghi Xi Jinping David Cameron Carlos Slim Helu Sonia Gandhi Li Keqiang Francois Hollande Warren Buffett Michael Bloomberg Michael Duke Dilma Rousseff Manmohan Singh Larry Page Ali Hoseini-Khamenei Rex Tillerson Benjamin Netanyahu Jeffrey Immelt Mark Zuckerberg Rupert Murdoch Jeff Bezos Ashfaq Parvez Kayani Mario Monti Ban Ki-moon Li Ka-shing Ali Al-Naimi Khalifa bin Zayed Al-Nahyan Jamie Dimon Timothy Cook Lloyd Blankfein Mukesh Ambani Christine Lagarde Lou Jiwei Masaaki Shirakawa Charles Koch Larry Fink Akio Toyoda Kim Jong-un Jim Yong Kim Steve Ballmer Lakshmi Mittal Hugo Chavez Sebastian Pinera Bill Clinton