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, Venrock.

How much funding has Oumi raised?

Oumi has disclosed $10M raised across 1 round.

Where is Oumi headquartered?

Oumi is headquartered in Bellevue, US.

Oumi

Bellevue, US · Founded 2024 · 42 employees on LinkedIn · 4 known investors

Find your way into Oumi

4,166 people in our graph share verified history with the Oumi team — schools, employers, funds. One of them is your warm intro.

Oren Etzioniunlockedknows Oussama Elachqar · together at AI2 Incubator (overlapped)

×3knows the team · via University of Cincinnati

×2knows the team · via Twitter

knows the team · via Apple

×5knows the team · via Amazon

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.

AI & Machine Learning Data & Infrastructure Developer Tools

Founders & leadership

Jeremiah Greer Cofounder, 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.

Kostas Aisopos Co-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.

Matthew Persons Cofounder, 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.

Michael Anthony Schuler Co-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.

Oussama Elachqar Co-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.

William ZFounder

Emmanouil (Manos) KoukoumidisCo-founder · CEO

Investors · 4

Mozilla Ventureslisted by Mozilla Ventures

How we know: Mozilla Ventures's portfolio page · Not right? Tell us

Obvious Ventureslisted by Obvious VenturesSan Francisco · $250K – $6Mvia Kahini Shah · led

How we know: Obvious Ventures's portfolio page · funding news · ascend.vc · Not right? Tell us

Venrocklisted by VenrockPalo Alto · $500K – $10M

How we know: Venrock's portfolio page · funding news · ascend.vc · Not right? Tell us

Also in the syndicate · 1

Plug and Play

Funding

SEC filings, press & company announcements

$10M disclosed across 1 round · 2025

$10MSeed roundJan 2025 · 2 sources
Venrock (lead), Obvious Ventures, Plug and Play
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Ex-Google, Apple engineers raise $10M to give AI its 'Linux moment' with new open source platform – GeekWiregeekwire.com · Jan 2025

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, Venrock.
How much funding has Oumi raised?: Oumi has disclosed $10M raised across 1 round.
Where is Oumi headquartered?: Oumi is headquartered in Bellevue, US.