Apple executive Steve Jobs is the most admired celebrity entrepreneur in the US, at least amongst tweens and teenagers, claims the youth organization Junior Achievement. The group recently surveyed 1,000 people aged 12 to 17, asking them to pick a name from a predefined list. Jobs was chosen by 35 percent of respondents, beating out talk show host Oprah Winfrey at 25 percent, and skateboarder Tony Hawk at 16 percent. Facebook founder Mark Zuckerberg attained 10 percent.