On Tuesday, Jan. 21, it was announced that the Facebook, Inc. stock closed at an unprecedented record high. As a result of the monumental feat, the company’s chief operating officer Sheryl Sandberg became a billionaire.

According to Bloomberg, Sandberg owns approximately 12.3 million shares of the online social networking service, which closed at $58.51 on the Nasdaq exchange late Tuesday. Her stake in the company equates to more than $750 million.

It has also been noted that Sandberg has collected more than $300 million selling shares since the Menlo Park, CA-based company became publicly traded in 2012. The former Google executive also owns an estimated 4.7 million stock options that began vesting in May of last year.

In March 2008, it was announced that Sandberg would be leaving Google to join Facebook. The Harvard alum immediately began working to implement effective methods to make the world’s largest social media platform even more profitable.

Sandberg was also referenced by The Facebook Effect author David Kirkpatrick. The author, whose book chronicles the history of the company, weighed in on Sandberg’s feat in a phone interview with Bloomberg. “Did she do a billion dollars-worth of work? I don’t know,” said Kirkpatrick. “She had the good fortune to land in the right place where her talents could really be applauded.”

However, Sandberg’s accolades go much further than her executive position for the global company. She is also the author of the best-selling book Lean In: Women, Work, and the Will to Lead, which was released in 2013. The book, co-written with journalist Nell Scovell, has sold more than one million copies nationwide.

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“She went to Google, moved on to go to Facebook, went to write a book, and she’ll know when to run for political office, and probably win that office,” Kirkpatrick said.

With her long list of laudable feats, only time will tell where her success will lead. According to the Bloomberg Billionaires Index, the 44-year-old COO is now considered one of the youngest female billionaires in the world.

Image(s) via Wikimedia Commons | Lean In (Book)  Wikimedia Commons | Sheryl Sandberg