13 successful people who got their start working in fast food

• Many celebrities, politicians, and entrepreneurs got their start working in fast-food chains.

• Outgoing Apple CEO Tim Cook flipped burgers at a local spot in Alabama.

• Jeff Bezos said working the grill at McDonald's taught him responsibility.

Would you be shocked to learn that many successful entrepreneurs and celebrities once made money flipping burgers?

From Tim Cook to Brad Pitt and Barack Obama, these famous figures prove that even the most successful people can have humble beginnings — and learn a lot of valuable lessons from working at fast-food chains.

Here are 12 successful people who got their start working in fast food.

Áine Cain contributed to an earlier version of this report.