1. Mark Zuckerberg is the co-founder and CEO of Facebook. He created Facebook in 2004 while attending Harvard University as a way for students to connect online. 2. Facebook has grown tremendously since its creation and now has over 845 million active users worldwide. Zuckerberg remains the CEO and owns 28% of Facebook shares, making him one of the richest people in the world. 3. Zuckerberg started programming at a young age and was always interested in creating communication tools. Though initially focused on Harvard students, Facebook expanded rapidly and went on to become the largest social network globally.