called “scaffolds” holds the prospect of using stem cells to generate bone and other tissues. She has also published findings on transplanting stems cells from one person to another without rejection. In 2003, Arinzeh received a National Science Foundation Faculty Early Career Development award for her work, and she was honored by President George W. Bush with the Presidential Early Career Award for Scientists in 2004. Arinzeh received her Ph.D. in bioengineering from the University of Pennsylvania in 1999.
Vanessa Morrison, President / Twentieth Century Fox Animation / 38. Why she’s hot: A 13-year veteran of Fox, Morrison is now in charge of animated projects at one of Hollywood’s biggest studios. She also has control over Fox-owned Blue Sky Studios, a computer animation company behind the release of the profitable Ice Age films with No. 3 in the works and development of Dr. Seuss’ Horton Hears a Who! Prior to her current position, Morrison served as senior vice president of production with oversight of family-oriented fare such as the Garfield, Dr. Dolittle, and Cheaper by the Dozen franchises.
LeBron James. Professional Athlete / 22. Why he’s hot: These days, LeBron James considers himself to be 80% basketball player and 20% businessman. But that’s something that’s likely to change over time. “At this point, it’s 80/20. When I first entered the league, it was 100/0 and so in five years, hopefully we’ll be at 70/30.”
Despite that disparity, the 22-year-old small forward for the Cleveland Cavaliers has managed to become one of the most successful branding stories in sports. His many lucrative endorsement deals include Sprite, Powerade, Microsoft, and Upper Deck, but the most notable is the $90 million Nike deal that includes his signature athletic shoe line. He also gained control of the business side of sports by breaking with his agent at the time and forming LRMR Innovative Marketing & Branding, a sports marketing company, in 2005 with three of his childhood friends. “I [formed the company] for two reasons,” says the 6-foot-8 James. “First, I did it so I can own my own business. Second, I wanted the guys around me to grow also.” LRMR manages James’ deals but is looking to add other athletes to its roster. In August, the company signed Ted Ginn Jr., a rookie wide receiver for the NFL’s Miami Dolphins. James describes his involvement with LRMR as hands-on. “Hopefully in five years, as I continue to grow, the company will grow,” he says. “Our target is long-term. Basketball doesn’t last forever. You have to have something to go to later.” —Alan Hughes
Tim “Timbaland” Mosley, Music Producer / 36. Why he’s hot: Timbaland is one of the music industry’s most prolific hit makers. This legendary producer’s distinctive sound sets him apart from the rest of the pack. He has helped create some of the hottest pop and hip-hop tunes, including singles for Jay-Z, Missy Elliott, The Pussycat Dolls, 50 Cent, and Ludacris. Through Mosley Music Group, a joint venture with Interscope, he’s penned and produced a number of chart-topping albums,