Mark Zuckerberg is the creator and CEO of Facebook. He developed an interest in computers at a young age and created basic communication programs. He attended Harvard University but dropped out in his sophomore year to focus on Facebook. Zuckerberg launched Facebook from his dorm room in 2004. It quickly gained popularity and Microsoft and AOL tried to recruit Zuckerberg. Facebook filed for its IPO in 2012, making it one of the largest tech IPOs. Today, Facebook has over 3 billion users and Zuckerberg has a net worth of over $49 billion, making him one of the richest and most powerful people in the world.