It's official: Facebook COO Sheryl Sandberg, 44, is a billionaire - one of the youngest female billionaires ever - thanks to shares of the social networking site spiking on Tuesday, according to a ranking from Bloomberg. But it's not just Sandberg's financial saavy that's earned her a top spot on the billionaire list. With the publication of her book, "Lean In," (2013), Sandberg has rallied a nation of women to reach for their goals at the office and in life. Here are 10 of Sandberg's most valuable career lessons.
Success is a self-fulfilling prophecy: In October, 2012, Sandberg jumped into a Q&A session on the social networking site Quora to share her thoughts on how women can best enter the tech field. "The key thing is to believe in your own abilities," she wrote. "Studies show that women often underestimate their own abilities, which holds them back from taking on the challenges that help any of us achieve to our potential. Stereotype threat - the phenomenon that if people areRead More »from New Billionaire Sheryl Sandberg: What We Can Learn from Her