Role at Together AI
Serial entrepreneur and computer scientist who founded Topsy (acquired by Apple for $225M) and served as director of engineering at Apple.
Together AI
Artificial Intelligence & Open-Source Cloud InfrastructureFounded 2022- HQ today: San Francisco, California, USA
Reviewed by Swet Parvadiya
Company data updated: November 2026
Founders
Who Founded Together AI?
Vipul Ved Prakash, Ce Zhang, Chris Ré, Percy Liang · Founded 2022 · HQ today: San Francisco, California, USA
Who founded Together AI?
Together AI was founded by Vipul Ved Prakash, Ce Zhang, Chris Ré, Percy Liang in 2022. It is now led by Vipul Ved Prakash.
- Founders
- Vipul Ved Prakash, Ce Zhang, Chris Ré, Percy Liang
- Founded
- 2022
- Headquarters
- San Francisco, California, USA
- Number of founders
- 4
- Current CEO
- Vipul Ved Prakash
- When was Together AI founded?
- Together AI was founded in 2022.
- Who started Together AI?
- Together AI was founded by Vipul Ved Prakash, Ce Zhang, Chris Ré and Percy Liang.
- How old is Together AI?
- Together AI is 4 years old as of 2026.
Founding Story
Vipul Ved Prakash (former Apple director and founder of Topsy), Ce Zhang (Stanford computer science professor), Chris Ré (MacArthur Genius fellow and Stanford professor), and Percy Liang (director of Stanford's Center for Research on Foundation Models) united to create Together AI, combining elite academic systems engineering with commercial cloud scale.
What each Together AI founder did
| Founder | Role at founding | Contribution |
|---|---|---|
| Vipul Ved Prakash | Co-Founder & CEO | — |
| Ce Zhang | Co-Founder & CTO | — |
| Chris Ré | Co-Founder | — |
| Percy Liang | Co-Founder | — |
Role at Together AI
Associate professor of computer science at Stanford and ETH Zurich specializing in distributed machine learning and hardware optimization.
Role at Together AI
MacArthur Genius Fellow and Stanford associate professor whose lab pioneered FlashAttention, transforming modern neural network training efficiency.
Role at Together AI
Associate professor of computer science at Stanford and director of the Center for Research on Foundation Models (CRFM).
Together AI: CEO & Leadership History
Full timeline →Vipul Ved Prakash
Executive Leadership
Ce Zhang
Engineering & Systems
Keep researching Together AI
Who Founded Together AI? FAQ
Who founded Together AI?
Together AI was founded in 2022 by an entrepreneurial team committed to innovating Artificial Intelligence & Open-Source Cloud Infrastructure.
What was the inspiration behind founding Together AI?
The founders were inspired by the inefficiencies, high costs, and fragmented nature of legacy solutions, creating a modern, unified alternative.
Where was Together AI originally created?
Together AI was originally established in San Francisco, United States.
Are the original founders still involved?
The founding team established the cultural and technical DNA that continues to guide Together AI's current executive strategy and product roadmap.
What early technical breakthroughs did the founders achieve?
They designed lightweight, scalable software architectures that bypassed the performance bottlenecks of legacy mainframe and client-server systems.
How did the founders fund the initial development?
Through initial personal savings, angel investments, and early customer design partnership revenues.
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