Portrait of Alexandr Wang

Rank #1326

Alexandr Wang

Net worth $3.2B

artificial intelligence · United States

Born
Jan 19, 1997
Age
29
Source
artificial intelligence
Residence
San Francisco, California
Citizenship
United States
Marital status
Single
Children
0
Education
Drop Out, Massachusetts Institute of Technology

Net worth over time

Biography

  • Alex Wang cofounded Scale AI in 2016 to help companies put their raw data to work for AI and machine learning.
  • He served as CEO of Scale AI until June 2025, when Meta acquired 49% of the company in a deal that valued Scale at around $29 billion and Wang left Scale to become Meta's chief AI officer.
  • Wang was the world's youngest self-made billionaire until October 2025, when he was overtaken by Polymarket founder Shayne Coplan.
  • A New Mexico native, Wang landed full time engineering jobs in Silicon Valley at age 17 with fintech Addepar and then question-and-answer site Quora.
  • At age 19, after a brief stint at MIT to study machine learning, Wang dropped out to attend the Y Combinator accelerator and launch Scale.
  • Wang, the son of weapons physicists, grew up in Los Alamos, New Mexico, the sleepy town where the U.S. developed its first atomic bomb during World War II.
  • He entered his first math contest in 6th grade intent on winning a trip to Disney. He did - and later competed in physics Olympiads and science bowls.