1. Mark Zuckerberg at 30 is the youngest most powerful person in the world right now, according to the latest ranking from Forbes. Photo: Reuters/Robert Galbraith
2. North Korean leader Kim Jong Un, 31, comes in second. Photo: Reuters/KYODO Kyodo
3. Google co-founder Sergey Brin at 41 is third. Photo: Reuters/Andrew Kelly
4. Google CEO Larry Page, 41, is fourth. Photo: Reuters/Eduardo Munoz
5. Tesla Motors Inc CEO Elon Musk, 43 is fifth. Photo: Reuters/Lucy Nicholson
6. Tencent Chairman and CEO Ma Huateng (Pony Ma), 54. Photo: Reuters/Bobby Yip
7. A man purported to be the reclusive leader of the militant Islamic State Abu Bakr al-Baghdadi, 43. Photo: Reuters TV
8. Chinese-language Internet search provider Baidu, Inc. Chairman and CEO Robin Li, 45. Photo: Reuters/Tyrone Siu
9. Vice chairman of Samsung Electronics, Jay Y. Lee, 46. Photo: Reuters/Lee Jae Won
10. Microsoft CEO Satya Nadella, 47. Photo: Reuters/Robert Galbraith