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Gina Bianchini
Company: Ning
Home: Palo Alto

As CEO of Ning.com, Bianchini has helped make the company she co-founded in 2004 with Marc Andreessen the leading online tool for building custom social networks. Ning has raised more than $100 million, and people have used it to build more than 600,000 networks. The company’s software hosts groups on topics ranging from raw-food enthusiasts to Britney Spears fans. Bianchini is a former Goldman Sachs analyst, CKS Group executive, and president of Harmonic Communications. The Stanford business school grad is a Bay Area native, hailing from Cupertino.