Los 20 más poderosos del mundo, según Forbes

FET15 MOSCÚ (RUSIA) 25/04/2013.- El presidente ruso, Vladímir Putin, asiste a una sesión televisada en directo en la que responde a las preguntas de la ciudadanía, en Moscú, Rusia, hoy jueves 25 de abril de 2013. Vladímir Putin, reconoció hoy que la corrupción se ha convertido en una amenaza para la sociedad, pero negó que las autoridades vayan a procesar a los cargos públicos corruptos sólo para satisfacer a la opinión pública. "No oculto que nuestra corrupción cotidiana se ha salido del marco de lo tolerable y, en resumen, representa una amenaza para la sociedad", dijo Putin en una comparecencia para responder en directo a la pregunta de los ciudadanos. EFE/Mikhail Klimentyev / Ria Novosti CRÉDITO OBLIGATORIO: RIA NOVOSTI

DMCF02 ESTOCOLMO (SUECIA) 05/09/2013.- El presidente de EE.UU., Barack Obama, se despide desde el avión Air Force One tras completar su visita a Estocolmo (Suecia), hoy, jueves 5 de septiembre de 2013. Obama ha volado a San Petersburgo (Rusia), donde tiene previsto participar en la cumbre del G20, que reúne a los países desarrollados y las potencias emergentes. EFE/CLAUDIO BRESCIANI PROHIBIDO SU USO EN SUECIA

VTC49 CIUDAD DEL VATICANO (VATICANO), 19/03/2013.- El papa Francisco sonríe durante la misa solemne de inicio de su Pontificado en la plaza de San Pedro del Vaticano hoy, martes 19 de marzo de 2013. EFE/Ettore Ferrari

German Chancellor and candidate for the Christian Democratic Union (CDU) Angela Merkel waves as she addresses supporters after exit polls were broadcast on television in Berlin on September 22, 2013, after the German general elections. Chancellor Angela Merkel clinched a third term in German elections Sunday but will be forced to form an awkward coalition with her chief rivals to govern Europe's top economy, exit polls indicated. AFP PHOTO ? ODD ANDERSEN

Microsoft Chairman Bill Gates (L) looks on during a news conference at company headquarters in Redmond, Washington June 15, 2006. Microsoft announced that effective July 2008 Gates will transition out of a day-to-day role in the company to spend more time on his global health and education work at the Bill & Melinda Gates Foundation. After July 2008, Gates will continue to serve as the companyÕs chairman and an advisor on key development projects. Robert Sorbo/Microsoft/Handout

Federal Reserve Board Chairman Ben Bernanke speaks during a press conference following the Federal Open Market Committee (FOMC) meeting in Washington, DC, June 20, 2012. The Federal Reserve on Wednesday slashed its estimate for the economy's growth this year by a half point, and projected unemployment would be higher than it thought just two months ago. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)

Saudi Arabia's King Abdullah, shown last November, has appointed women for the first time to a top advisory body. But in a country where the sexes are strictly segregated, the women will meet in a separate room from the men.

Photo by Spencer Tirey The 2012 Walmart Shareholder's meeting, June 1, 2012, at Bud Walton Arena in Fayetteville Arkansas.

Mexican tycoon Carlos Slim smiles as he attend to a meal with Spanish Prime Minister Mariano Rajoy and Mexican President Felipe Calderon at the National Palace in Mexico City on April 18, 2012. Rajoy is now in an oficial visit to Mexico after attending a meeting of the World Economic Forum on Latin America in the Pacific resort of Puerto Vallarta. AFP PHOTO/Yuri CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)

Billionaire Warren Buffett, CEO and chairman of investment company Berkshire Hathaway, speaks during a conversation with David Rubenstein, president of the Economic Club of Washingtron, during the club's 25th anniversary dinner in EWashington on June 5, 2012. AFP PHOTO/Nicholas KAMM (Photo credit should read NICHOLAS KAMM/AFP/GettyImages)

TO GO WITH China-India-Pakistan-Germany-Switzerland-Li,ADVANCER by Kelly Olsen (FILES) This file photo taken on March 17, 2013 shows new Chinese Premier Li Keqiang waving as he leaves his first press conference after the closing session of the National People's Congress (NPC) at the Great Hall of the People in Beijing. Li Keqiang embarks this weekend on his first foreign trip since taking office, heading to India, Pakistan, Switzerland and Germany as Beijing seeks to address security and economic disputes. AFP PHOTO / FILES / Ed JONES

(FILES): This September 28, 2011 file photo shows Amazon CEO Jeff Bezos addressing a press conference to introduce new Amazon and Kindle products in New York. Amazon founder Jeff Bezos will buy the struggling Washington Post newspaper from longtime owner the Graham family for USD 250 million, the Post announced August 5, 2013. AFP PHOTO / Files / Emmanuel DunandEMMANUEL DUNAND/AFP/Getty Images

Google founder Sergey Brin poses for a portrait wearing Google Glass before the Diane von Furstenberg Spring/Summer 2013 collection show during New York Fashion Week in this September 9, 2012 file photo. Social networking services Facebook Inc and Twitter are coming to Google Glass, the wearable computer made by the Internet search company. Google Inc announced on May 16, 2013 a half-dozen apps specially designed to work on its Glass devices. REUTERS/Carlo Allegri/Files (UNITED STATES - Tags: FASHION SCIENCE TECHNOLOGY BUSINESS)

QTR 02. Doha (Qatar), 23/06/2013.- French President Francois Hollande speaks during the French - Qatari Economic Forum at Four Season Hotel, Doha-Qatar on 23 June 2013 EFE/EPA/STR

Apple CEO Tim Cook speaks during Apple's special event at the California Theatre in San Jose on October 23, 2012 in California. Apple unveiled a smaller version of its hot-selling iPad on Tuesday, jumping into the market for smaller tablet computers dominated by Amazon, Google, and Samsung. The iPad mini's touchscreen measures 7.9 inches (20cm) diagonally compared to 9.7 inches(24.6cm) on the original iPad. AFP PHOTO/ Kimihiro Hoshino

Brazilian President Dilma Rousseff delivers a speech during the Diplomat Day ceremony at Itamaraty Palace in Brasilia, on June 17, 2013. Brazilian Government faces protest in some state capitals against the allocation of funds towards the Confederations Cup and next year's World Cup at a time when Brazil is in dire need of investment in other areas. AFP PHOTO / Evaristo SA