# Mike Krieger

> Mike Krieger is a seed investor in San Francisco backing Software and Information Technology. See 40 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: San Francisco, United States
- Total investments: 40
- Last investment: Apr 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/mikekrieger
- X (Twitter): https://twitter.com/mikeyk
- Website: https://x.com/mikeyk
- Facebook: https://www.facebook.com/mikeyk

Mike Krieger is a seed investor in San Francisco focused on Software and Information Technology. Mike Krieger is based out of San Francisco, California, and was the CPO of Anthropic. Mike previously worked at Artifact as a Co-Founder and Chief Technology Officer. Mike Krieger attended Stanford University.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.8M–$10M |
| Series A | $8.5M–$30M |
| Series B | $10M–$62M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 8 | 20% |
| Information Technology | 8 | 20% |
| Artificial Intelligence | 6 | 15% |
| Internet | 5 | 13% |
| Apps | 4 | 10% |

83 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 17 | 43% |
| Series A | 11 | 28% |
| Series B | 4 | 10% |
| Series C | 3 | 8% |
| Funding Round | 3 | 8% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 28 | 70% |
| India | 1 | 3% |
| Brazil | 1 | 3% |
| Germany | 1 | 3% |
| United Kingdom | 1 | 3% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| incident.io | incident.io is a slack-integrated incident management tool, designed to create, manage and resolve incidents directly in slack. | $62M | Series B | Apr 10, 2025 |  |
| Portola | Portola develops the Tolan app, an AI companion that features animated alien personalities for conversational support. The platform matches users with a personalized virtual friend through a personality interview, then evolves that relationship via memory and daily reflection, helping users feel more grounded amid modern pressures. Tolan engages invoice-based chat and can analyze images, enabling natural, context-aware interactions. | $10M | Seed | Feb 26, 2025 |  |
| CodeCrafters | CodeCrafters creates deep-dive learning initiatives for experienced software professionals. Founded in 2022. | $1.8M | Seed | Nov 19, 2024 |  |
| Granola | AI note-taking solution | $4.3M |  | May 22, 2024 |  |
| Udio | Udio is an AI-powered music creation app that offers a platform for instant music creation. | $10M | Seed | Apr 10, 2024 |  |
| Codegen | Codegen is a SAAS and artificial intelligence company that offers AI-assisted code development services. | $16.2M |  | Nov 16, 2023 |  |
| Codegen | Codegen is a SAAS and artificial intelligence company that offers AI-assisted code development services. | $16.2M | Seed | Nov 16, 2023 |  |
| ElevenLabs | Research Lab. Exploring new frontiers of voice generation. We are researching and deploying novel methods in voice AI to make content enjoyable in any language and voice to benefit new audiences and viewers. Our mission is to make content universally accessible in any language & voice. | $19M | Series A | Jun 20, 2023 |  |
| Openlayer | Openlayer is helping ML teams build the future of reliable, performant, and ethical machine learning. | $4.8M | Seed | May 04, 2023 |  |
| Yoz Labs | Yoz Labs is a Web3 notification platform working towards its goal of building a scalable messaging rail, enabling developers to send instant on-chain notifications directly to users. | $3.5M | Seed | Apr 19, 2023 |  |

10 of 40 investments shown.

## Co-investors
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 5 deals together
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 4 deals together
- [Human Capital](https://shizune.co/investors/profile/human-capital-da7c) — VC Fund, 4 deals together
- [Kleiner Perkins](https://shizune.co/investors/profile/kleiner-perkins-caufield-byers) — VC Fund, 3 deals together
- [MANTIS Venture Capital](https://shizune.co/investors/profile/mantis-venture-capital) — VC Fund, 3 deals together
- [Next Play Ventures](https://shizune.co/investors/profile/nextplay-ventures) — VC Fund, 3 deals together

## Similar investors

### Similar industry
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund
- [British Business Investments](https://shizune.co/investors/profile/british-business-investments) — VC Fund
- [White Star Capital](https://shizune.co/investors/profile/white-star-capital) — VC Fund

### 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

### Similar country
- [Bossa Invest](https://shizune.co/investors/profile/bossanova-investimentos) — VC Fund
- [DOMO.VC](https://shizune.co/investors/profile/domo-invest) — VC Fund
- [Canary](https://shizune.co/investors/profile/canary-5) — VC Fund

## Featured in investor lists
- [Fitness Angel Investors in United States](https://shizune.co/investors/fitness-angel-investors-united-states)
- [Venture Capital Investors in LATAM](https://shizune.co/investors/venture-capital-investors-latam)
- [Venture Capital Angel Investors in LATAM](https://shizune.co/investors/venture-capital-angel-investors-latam)
- [Venture Capital Investors in Brazil](https://shizune.co/investors/venture-capital-investors-brazil)
- [Venture Capital Angel Investors in Brazil](https://shizune.co/investors/venture-capital-angel-investors-brazil)
- [Finance Angel Investors in LATAM](https://shizune.co/investors/finance-angel-investors-latam)

## FAQ

### What does Mike Krieger invest in?

Mike Krieger invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 40 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Mike Krieger's check size?

Mike Krieger typically joins rounds of $1.8M–$10M at Seed, $8.5M–$30M at Series A and $10M–$62M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Mike Krieger participates in.

### When did Mike Krieger last invest?

The most recent investment recorded for Mike Krieger closed in Apr 2025. Shizune tracks 40 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co