Oumi
Bellevue, US · Founded 2024 · 42 employees on LinkedIn · 2 known investors
Find your way into Oumi
1,227 people in our graph share verified history with the Oumi team — schools, employers, funds. One of them is your warm intro.
Mike Zakunlockedknows Matthew Persons · together at Cornell (overlapped)
×2knows the team · via Massachusetts Institute of Technology
×4knows the team · via Harvard University
knows the team · via AI2 Incubator
×2knows the team · via University of Cincinnati
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Oumi is a platform for building, fine-tuning, and deploying custom specialized AI models, automating the model development lifecycle including evaluations, data generation, training, and deployment. It serves ML teams, researchers, and enterprises who want to own their model weights and data rather than rely on rented frontier models.
Founders & leadership
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Jeremiah GreerinCofounder, ResearchJeremiah Greer worked as a Senior ML Software Engineer at Google on safety systems for large language models (Gemini and PaLM), and as a Software Engineer at Microsoft on AI-powered scheduling tools. He holds a master's degree involving machine learning and deep learning techniques for analyzing software executables, with prior research experience at UC Berkeley in data science and genetic algorithms for software security.
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Kostas AisoposinCo-FounderFounder of Oumi, a platform for building, fine-tuning, and deploying custom AI models. Aisopos focuses on enabling ML teams and enterprises to develop and own specialized models rather than rely on third-party frontier models.
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Matthew PersonsinCofounder, EngineeringMatthew Persons previously led the Natural Language team at Google Cloud and is now co-founder of Oumi, which provides a platform for building, fine-tuning, and deploying custom AI models.
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Michael Anthony SchulerinCo-founder · Staff Linguist & UXer2024–2026Michael Anthony Schuler leads multilingual evaluation at Cartesia, developing evaluation systems for voice AI quality across languages. He trained as a linguist and has worked at the intersection of linguistics and machine evaluation systems.
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Oussama ElachqarinCo-FounderHe previously worked as a machine learning engineer and manager on health foundation models at Apple, and built production ML systems at Twitter, Microsoft, and Photobox.
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William ZFounder
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Emmanouil (Manos) KoukoumidisinCo-founder · CEO
Investors · 2
Frequently asked questions
- What does Oumi do?
- Oumi is a platform for building, fine-tuning, and deploying custom specialized AI models, automating the model development lifecycle including evaluations, data generation, training, and deployment. It serves ML teams, researchers, and enterprises who want to own their model weights and data rather than rely on rented frontier models.
- Who founded Oumi?
- Oumi was founded by Jeremiah Greer, Kostas Aisopos, Matthew Persons, Michael Anthony Schuler, Oussama Elachqar, William Z, Emmanouil (Manos) Koukoumidis in 2024.
- Who are Oumi's investors?
- Oumi's investors include Mozilla Ventures, Obvious Ventures.
- Where is Oumi headquartered?
- Oumi is headquartered in Bellevue, US.

