Pop superstar Taylor Swift has been replaced as the youngest self-made female billionaire, a title she held since late 2023.

Guo, the daughter of Chinese immigrants, grew up in the San Francisco Bay Area and began learning to code while still in middle school.

Lucy Guo, a Carnegie Mellon dropout, has become the world's youngest self-made woman billionaire, surpassing Taylor Swift. Guo's wealth stems from her 5% stake in Scale AI, a data annotation firm valued at $1.