Request page removalAbout Alexander Ratner
Alexander Ratner is an entrepreneur and an angel investor. They did their Doctoral from Stanford University in 2019. Their journey in the startup ecosystem started in 2015 through Snorkel AI. Alexander Ratner has founded 1 company. They are currently acting as the, and as the co-founder of Snorkel AI. As an angel investor, Alexander Ratner has a portfolio of 2 companies, focusing primarily on sectors like Enterprise Applications, High Tech and 1 more sector. They invest in companies across United States and India. Their most notable investments are Athina and Studio Atelico.
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Alexander Ratner's Investments
Alexander Ratner has invested in 2 companies. Their most recent investment was in Studio Atelico (Seed Round) on Aug 14, 2025. Their investments are primarily in Enterprise Applications, High Tech and 1 more sector. Their investment portfolio include companies in United States and India.Here are the details of all recent investments by Alexander Ratner:
Date | Company | Round | Round Amount | Co-Investors |
|---|---|---|---|---|
Aug 14, 2025 | Seed | $5M | ||
Nov 14, 2024 | Seed | $3M | and 2 more |
Alexander Ratner's Founded Companies
Alexander Ratner has founded Snorkel AI.
Here is the detail of this founded company:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
AI development processes offering programmatic solutions | $238M | 2015 | Series D | Palo Alto |
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