Coolest College Start-ups 2011

Niki Dankner
3 of 14, Washington University in St. Louis

Founder: Juliette Brindak began working on the social-entertainment site for tweens when she was just a teen herself. Today she's a CEO and a senior majoring in anthropology and public health.
Concept: Girls-only online community for tweens, where girls ages 8 to 14 can safely interact and get advice.
Funding: As of a 2008 investment of $350 million by Proctor & Gamble, the company was valued at $15 million. It relies on advertising, partnerships, and book sales for revenue.
Takeaway: "It's incredible that the company's aim—to instill confidence in girls—has actually been something that's happened simultaneously to me."
Read more.