Request page removalAbout Jeff Hammerbacher
Jeff Hammerbacher is an angel investor based out of United States. Their journey in the startup ecosystem started in 2013 through Pymetrics. As an angel investor, Jeff Hammerbacher has a portfolio of 17 companies, focusing primarily on sectors like Enterprise Applications, High Tech and 7 more sectors. They invest in companies across United States, India and 1 more. Their most notable investments include companies like Together AI and Weights & Biases.
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Jeff Hammerbacher's Investments
Jeff Hammerbacher has invested in 17 companies. Their most recent investment was in United Manufacturing Hub (Series A Round) on Jan 05, 2026. Their investments are primarily in Enterprise Applications, High Tech and 7 more sectors. Their investment portfolio include companies in United States, India and 1 more.Here is the list of recent investments by Jeff Hammerbacher:
Date | Company | Round | Round Amount | Co-Investors |
|---|---|---|---|---|
Jan 05, 2026 | Series A | $5.84M | and 4 more | |
Mar 21, 2025 | Series A | $25.1M | ||
Mar 18, 2025 | Seed | $9.2M | and 3 more | |
Oct 28, 2024 | Seed | $1M |
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Jeff Hammerbacher's Portfolio Exits
Jeff Hammerbacher has 4 Portfolio Exits namely Weights & Biases, Pymetrics, Cardiogram and Numbers Station.
Here are the details of all portfolio exits by Jeff Hammerbacher:
Company | Description | Location | Total Funding | Founded Year | Exit Type | Exit Date |
|---|---|---|---|---|---|---|
Provider of machine learning model development and management solutions | San Francisco (United States) | $250M | 2017 | Acquisition | Mar 04, 2025 | |
Platform uses neuroscience based games and AI to assess cognitive and personality traits of job candidates | New York City (United States) | $60.7M | 2012 | Acquisition | Aug 11, 2022 | |
Provider of an app for monitoring heart health | San Francisco (United States) | $2M | 2016 | Acquisition | Oct 24, 2021 | |
Cloud, AI and NLP-based data workflow automation platform for enterprises | Austin (United States) | $17.5M | 2021 | Acquisition | May 20, 2025 |
Jeff Hammerbacher's Portfolio Unicorns
Jeff Hammerbacher has 3 unicorns in the portfolio including Together AI, Modal and 1 more.
Here is the list of top portfolio unicorns by Jeff Hammerbacher:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
Provider of a platform for developing, fine-tuning, and deploying AI models | $1.33B | 2022 | Series C | San Francisco | |
Provider of serverless platform for developing and deploying AI applications | $466M | 2021 | Series C | New York City |
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