# Ian Hathaway

> Ian Hathaway is a Series B investor at OpenAI Startup Fund backing Artificial Intelligence. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [OpenAI Startup Fund](https://shizune.co/investors/profile/openai-startup-fund)
- Location: San Francisco, United States
- Total investments: 13
- Last investment: Dec 2025
- Lead investor: 38%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ianhathaway/
- X (Twitter): https://twitter.com/ian_hath

Ian Hathaway is a Partner at OpenAI Startup Fund

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Artificial Intelligence | 3 | 23% |
| Legal | 1 | 8% |
| Security | 1 | 8% |
| Software | 1 | 8% |
| Blockchain | 1 | 8% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 4 | 31% |
| Series C | 3 | 23% |
| Seed | 2 | 15% |
| Series A | 1 | 8% |
| Series D | 1 | 8% |

6 stages tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Adaptive Security | Adaptive Security is a computer network security company that focuses on deepfake attacks and provides cybersecurity services. | $81M | Series B | Dec 16, 2025 |  |
| Harvey | Harvey is an artificial intelligence technology service provider. | $59M | Series E | Oct 06, 2025 |  |
| Ambience Healthcare | Ambience Healthcare develops an AI operating system used for documentation, coding, and clinical workflows in healthcare settings. The company builds an AI medical scribe that captures clinician-patient conversations in real time and converts them into clinical notes. Its scribe tool includes speech recognition, real-time documentation, and AIfeatures designed to integrate with electronic medical record systems. The tool generates notes within seconds and allows customization based on user preferences. | $243M | Series C | Jul 29, 2025 |  |
| Harvey | Harvey is an artificial intelligence technology service provider. | $300M | Series E | Jun 23, 2025 |  |
| Adaptive Security | Adaptive Security is a computer network security company that focuses on deepfake attacks and provides cybersecurity services. | $55M | Series A | Apr 02, 2025 |  |
| Harvey | Harvey is an artificial intelligence technology service provider. | $300M | Series D | Feb 12, 2025 |  |
| Speak | Speak is a developer of a mobile language-learning application focused on English learning. The application uses speech recognition technology to support conversational practice in real-world contexts. It enables users to improve spoken English skills and listening comprehension, including exposure to different accents, through structured speakingexercises and interaction-based learning features. | $78M | Series C | Dec 10, 2024 |  |
| Harvey | Harvey is an artificial intelligence technology service provider. | $100M | Series C | Jul 23, 2024 |  |
| Ambience Healthcare | Ambience Healthcare develops an AI operating system used for documentation, coding, and clinical workflows in healthcare settings. The company builds an AI medical scribe that captures clinician-patient conversations in real time and converts them into clinical notes. Its scribe tool includes speech recognition, real-time documentation, and AIfeatures designed to integrate with electronic medical record systems. The tool generates notes within seconds and allows customization based on user preferences. | $70M | Series B | Feb 06, 2024 |  |
| Harvey | Harvey is an artificial intelligence technology service provider. | $80M | Series B | Dec 19, 2023 |  |

10 of 13 investments shown.

## Co-investors
- [Kleiner Perkins](https://shizune.co/investors/profile/kleiner-perkins-caufield-byers) — VC Fund, 8 deals together
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 7 deals together
- [Google Ventures](https://shizune.co/investors/profile/google-ventures) — VC Fund, 5 deals together
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 5 deals together
- [REV](https://shizune.co/investors/profile/reed-elsevier) — VC Fund, 3 deals together
- [Abstract](https://shizune.co/investors/profile/a-list-ventures) — VC Fund, 2 deals together

## About OpenAI Startup Fund

VC Fund · San Francisco, United States

OpenAI Startup Fund invests in startups, especially in artificial intelligence companies.

1 contacts available at OpenAI Startup Fund.

| Name | Title | Profile |
| --- | --- | --- |
| Ian Hathaway | Partner | https://shizune.co/investors/profile/ian-hathaway-fca1 |

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Ian Hathaway invest in?

Ian Hathaway invests primarily in Artificial Intelligence, Legal and Security startups, most often at Series B and Series C stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Ian Hathaway last invest?

The most recent investment recorded for Ian Hathaway closed in Dec 2025. Shizune tracks 13 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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