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Facebook cofounder and CEO Mark Zuckerberg.
- Mark Zuckerberg launched Facebook on February 4, 2004.
- In the 15 years since then, Facebook has become the most popular social media platform in the world, and Zuckerberg has become the fifth richest person in the world.
- But Zuckerberg has also come under fire in recent years for numerous scandals that have embroiled the company.
- We took a look at Zuckerberg's up-and-down career in honor of Facebook's 15th anniversary.
Mark Zuckerberg launched Facebook on February 4, 2004 - 15 years ago to the day on Monday.
Since then, Facebook has become the most popular social networking site in the world, while Zuckerberg's net worth has exploded to more than $60 billion.
In recent years, Zuckerberg's leadership has come into question - and the scrutiny has ramped up following a bombshell report that it knew about Russian efforts to interfere in the 2016 US election.
In honor of Facebook's 15th anniversary, we took a look at Zuckerberg's up-and-down career, from Facebook's origins in a Harvard dorm room to the CEO's congressional testimony last year.
Take a look at the ups and downs of Zuckerberg's whirlwind career.