The pioneer of Facebook is Mark Zuckerberg. He co-founded Facebook, originally called "The Facebook," with fellow Harvard University students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes.

Zuckerberg is often credited as the primary driving force behind the platform's creation and growth.

For more information, you can refer to:

• Facebook Newsroom - Mark Zuckerberg Reflects on 11 Years of Facebook
• Britannica - Mark Zuckerberg