# Fraser Kelton

> Fraser Kelton is a seed investor at Spark Capital backing Artificial Intelligence and Software. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Spark Capital](https://shizune.co/investors/profile/spark-capital)
- Location: New York, United States
- Total investments: 4
- Last investment: Nov 2025
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/fraserk
- X (Twitter): https://twitter.com/fraser?lang=en
- Website: https://www.koko.ai

Fraser Kelton is a seed investor at Spark Capital in New York focused on Artificial Intelligence and Software. Fraser Kelton is the Product at OpenAI.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Artificial Intelligence | 2 | 50% |
| Software | 1 | 25% |
| Biotechnology | 1 | 25% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 25% |
| Series B | 1 | 25% |
| Funding Round | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Profluent Bio | Profluent Bio is an AI-first protein design company that designs novel, optimal proteins that bypass existing barriers in industry. | $106M | Series B | Nov 19, 2025 |  |
| Profluent Bio | Profluent Bio is an AI-first protein design company that designs novel, optimal proteins that bypass existing barriers in industry. | $35M | Venture - Series Unknown | Mar 21, 2024 |  |
| Contextual AI | Contextual AI offers a pioneering approach to generative AI for the workplace. | $20M | Seed | Jun 07, 2023 |  |
| Profluent Bio | Profluent Bio is an AI-first protein design company that designs novel, optimal proteins that bypass existing barriers in industry. |  |  |  |  |

4 of 4 investments shown.

## Co-investors
- [Air Street Capital](https://shizune.co/investors/profile/air-street-capital) — VC Fund, 3 deals together
- [Insight Partners](https://shizune.co/investors/profile/insight-partners) — VC Fund, 3 deals together
- [AIX Ventures](https://shizune.co/investors/profile/aix-ventures) — VC Fund, 2 deals together
- [Altimeter Capital](https://shizune.co/investors/profile/altimeter-capital) — VC Fund, 2 deals together
- [Bezos Expeditions](https://shizune.co/investors/profile/bezos-expeditions) — VC Fund, 2 deals together
- [Convergent Ventures](https://shizune.co/investors/profile/convergent-ventures-c9e2) — VC Fund, 2 deals together

## About Spark Capital

VC Fund · San Francisco, United States

Spark Capital is an early-stage venture capital firm that invests in exceptional products and the creative individuals behind them. Known for embracing risk and a unique approach, Spark Capital has backed companies like Twitter, Discord, Anthropic, Cruise, Niantic, Oculus, Warby Parker, and Tumblr. Recognizing that there are no set playbooks orformulas for success, the firm supports founders in achieving success on their own terms. Spark Capital invests across all sectors and stages, operating out of San Francisco, Boston, and New York City.

5 contacts available at Spark Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Clay Fisher | General Partner | https://shizune.co/investors/profile/clay-fisher-2ac5 |
| Alexander Finkelstein | Co-founder & General Partner | https://shizune.co/investors/profile/alex-finkelstein |
| Bijan Sabet | Co-Founder and General Partner | https://shizune.co/investors/profile/bijan-sabet |
| Fraser Kelton | General Partner | https://shizune.co/investors/profile/fraser-kelton |
| James Kuklinski | General Partner, Growth | https://shizune.co/investors/profile/james-kuklinski |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Fraser Kelton invest in?

Fraser Kelton invests primarily in Artificial Intelligence, Software and Biotechnology startups, most often at Seed and Series B stage. Most of the 4 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 Fraser Kelton last invest?

The most recent investment recorded for Fraser Kelton closed in Nov 2025. Shizune tracks 4 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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