Billionaire Profile
Alexandr Wang
Global Rank
#1763

Image: Public domain | via Wikimedia Commons

Alexandr Wang

CEO, Scale AI
US
Real-Time Net Worth
$3.2B
As of December 2025
Age
28
Source
artificial intelligence
Industry
technology
Citizenship
US

Biography

Alexandr Wang is an American entrepreneur and the current Chief AI Officer at Meta. He co-founded Scale AI in 2016 at the age of 19, a data annotation company that quickly became a key player in the artificial intelligence sector. Wang's vision and leadership propelled Scale AI to a $29 billion valuation after a significant investment from Meta in June 2025. His early achievements in math and coding competitions, along with his decision to drop out of MIT, paved the way for him to become the world's youngest self-made billionaire at age 24. Wang is recognized for his insights on global AI policy and strategic partnerships.

Wealth Over Time

In-Depth Profile

Early Life

Alexandr Wang was born in January 1997, in Los Alamos, New Mexico. His parents were Chinese immigrants and physicists at the Los Alamos National Laboratory. Wang's upbringing in a scientific environment fostered his early interest in math and computer programming. He competed in math and coding competitions and qualified for the Math Olympiad Program in 2013 and the US Physics Team in 2014. He graduated early from Los Alamos High School.

Rise to Success

At 17, Wang moved to Silicon Valley and worked as a software engineer at Addepar and Quora. He briefly attended the Massachusetts Institute of Technology (MIT) before dropping out to co-found Scale AI in 2016 with Lucy Guo. Scale AI, a data annotation platform, quickly gained traction, securing significant funding and partnerships with major companies. In 2021, at age 24, Wang became the world's youngest self-made billionaire.

Key Business Strategies

Scale AI's success stems from its focus on high-quality data labeling and annotation services, crucial for training AI models. The company secured contracts with the U.S. Department of Defense and partnered with OpenAI. His ability to make high-powered connections cemented his position in Silicon Valley and led to a substantial investment from Meta in June 2025, which valued Scale AI at $29 billion.

Philanthropy

While specific philanthropic amounts are unavailable, Wang's focus on AI's role in national security and government services suggests potential initiatives in those areas.

Career Milestones

2014

Software Engineer

Worked as a software engineer at Addepar.

2014

Tech and Speed Lead

Joined Quora as a Tech and Speed Lead.

2016

Co-founded Scale AI

Co-founded Scale AI, a data annotation platform.

2021

Youngest Self-Made Billionaire

Became the world's youngest self-made billionaire at age 24.

2025

Chief AI Officer at Meta

Became Chief AI Officer at Meta.

Philanthropy & Social Impact

Government/Defense

N/A

Undisclosed

Information unavailable. However, Scale AI has worked with the U.S. Department of Defense.

Controversies & Challenges

2023

Controversies Regarding Labor Practices

Scale AI faced a class-action lawsuit alleging wage theft and poor working conditions at its subsidiaries, Remotasks and Outlier AI.

2024

Falling out with Lucy Guo

Wang's falling out with Scale AI co-founder Lucy Guo resulted in a bitter legal battle, with Guo ultimately leaving the company and later suing Wang for defamation.