Who is behind Scale AI?

Founded 2016

since cofounding Scale AI in 2016 with Lucy Guo

Lucy Guo cofounded Scale AI with Alexandr Wang, but left in 2018.

Guo had recruited Wang, and she was the original CEO.

I founded Scale to supply the data pillar that advances AI by fueling its entire development lifecycle.

Scale has closed a $1B financing transaction at a $13.8B valuation. The financing, a mix of primary and secondary, is led by existing investor Accel

There he teamed up with Quora alum Lucy Guo, another dropout, to start Scale in 2016.

CEO Alexandr Wang, the 21-year-old MIT grad who co-founded Scale with Lucy Guo

who co-founded Scale with Lucy Guo

This latest funding round was led by Index, with existing investors Accel and Y Combinator (where Scale was incubated), also participated in this Series B

Guo co-founded Scale AI, an AI data labeling company, alongside Alexander Wang in 2016.

Lucy Guo COO and Co-founder

Alexandr Wang CEO and Co-founder

Founder and CEO, Alexandr Wang, Joins Meta to Work on Meta’s AI Efforts

Scale’s Board of Directors has appointed Chief Strategy Officer, Jason Droege, to serve as the Company’s Interim Chief Executive Officer.

Chief Executive Officer, Scale AI (2016 through June 2025)

said Wang, CEO and founder at Scale.

including a $4.5 million Series A in May 2017 led by Accel and Y Combinator.

Scale today announced that it has raised $18 million in Series B funding, led by Index Ventures with participation from existing investors Accel and Y Combinator.

Individual investors included OpenAPI co-founder Greg Brockman, Quora co-founder Charlie Cheever, Jonathan Swanson, co-founder of Thumbtack, Xamarin co-founder Nat Friedman, ZEIT founder Guillermo Rauch and Parse co-founder Ilya Sukhar.

Wang became CEO and Guo ran the operations and product design teams at the San Francisco startup.

Scale’s Board of Directors has appointed Chief Strategy Officer, Jason Droege, to serve as the Company’s Interim Chief Executive Officer.

Following its investment, Meta will hold a minority of Scale’s outstanding equity.

On June 12, Alexandr Wang stepped down as Scale’s CEO to chase his most ambitious moonshot yet

In this instance, that cost is my departure. It has been the absolute greatest pleasure of my life to serve as your CEO.

Meta is pumping $14.3 billion into Scale AI as part of the deal, and will have a 49% stake in the artificial intelligence startup, but will not have any voting power, a Scale AI spokesperson said.

It is an honor to step into the role of interim CEO at Scale during such a pivotal moment for our company and the broader AI landscape.

Jason Droege, who has led the company as interim CEO since June 2025, will work closely with Francis over the coming months to help with the transition.

"There is no better person to lead Scale through this critical moment in AI than Francis," said Alexandr Wang, Scale AI Founder and Chairman of the Board.

Scale AI today announced that its Board of Directors has appointed Francis deSouza as Chief Executive Officer, effective August 10, 2026.

We are excited to announce that we have raised a $4.5 million Series A round of funding led by Accel. Along with this funding, Accel’s Daniel Levine has joined Scale’s board.

Since the Series A announced in May 2017, Scale has made a ton of progress.

Scale raised $18M in Series B funding led by Index Ventures with Accel, Y Combinator, Drew Houston, and Justin Kan joining. Mike Volpi of Index Ventures will be joining our board.

Scale has raised $100m at a valuation of over $1B. Founders Fund led the round, supported by Accel, Coatue Management, Index Ventures, Spark Capital, Thrive Capital, Kevin Systrom, Mike Krieger and Adam d’Angelo.

Instagram founders Kevin Systrom and Mike Krieger and Quora CEO Adam d’Angelo.

announced Monday that it had closed a $100 million Series C round of financing led by Founders Fund with participation from Accel, Coatue Management, Index Ventures, Spark Capital, Thrive Capital

Today, we celebrate their $100M financing round led by Founders Fund and participation from Thrive and Spark.

Scale has raised $325 million in Series E funding, co-led by Dragoneer, Greenoaks Capital, and Tiger Global.

The latest investment round was led by Dragoneer and Greenoaks Capital, both San Francisco-based investment firms, and Tiger Global

Today, Scale announced that Accel led its Series F, with coverage in Bloomberg and The Financial Times, and others.

Scale AI has raised $1 billion in a Series F funding round that values the enterprise tech company at $13.8 billion — almost double its last reported valuation.

Those markets now value his 15% stake at $630 million. Scale argues it’s worth closer to $890 million.

Fortune reviewed a screenshot showing Guo’s 5.99% ownership in Scale AI, which she said comprised the lion’s share of her net worth.

Guo departed Scale in 2018, but retains 5.99% ownership, which amounts to nearly 47 million Class A shares.

Meta will hold a 49% stake in the startup.

In June 2025, we completed an investment in Scale AI by acquiring a non-voting minority of its outstanding equity.

mostly consist of our minority investments in Scale AI for $13.80 billion, which was closed during 2025

With its investment, Meta has a 49% stake in a company valued on paper at $29 billion. But Meta has no voting power, a Scale spokesperson told CNBC in June