# Peter Lenke

> Peter Lenke is a Series B investor at M12 - Microsoft's Venture Fund backing Fraud Detection. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [M12 - Microsoft's Venture Fund](https://shizune.co/investors/profile/m12)
- Location: San Francisco, United States
- Total investments: 1
- Last investment: May 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/plenke/
- Website: https://x.com/P_Lenke

Peter Lenke is a Series B investor at M12 - Microsoft's Venture Fund in San Francisco focused on Fraud Detection and Risk Management. Peter Lenke is based out of San Francisco, California and is the Managing Partner of M12 - Microsoft's Venture Fund. Peter Lenke previously worked at Atlassian as Head of Atlassian Ventures.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fraud Detection | 1 | 100% |
| Risk Management | 1 | 100% |
| Intelligent Systems | 1 | 100% |
| Information Technology | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Cinder Technologies | From content moderation to responsible AI, Cinder empowers businesses to orchestrate and automate digital safety at scale. Cinder was founded to help organizations foster safe online spaces for everyone. The Cinder platform empowers companies from start-ups to enterprises with end-to-end capabilities to mitigate harm, investigate abuse, and producetrustworthy and reliable AI outcomes. Building your world-class company means keeping your users and community safe—Cinder unlocks faster growth by making safety easy. We work with customers in every industry from frontier AI labs to e-commerce and social media. | $41M | Series B | May 12, 2026 |  |

1 of 1 investments shown.

## Co-investors
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 1 deal together
- [Outpost Ventures](https://shizune.co/investors/profile/outpost-ventures) — VC Fund, 1 deal together
- [PSP Growth](https://shizune.co/investors/profile/psp-growth-2) — VC Fund, 1 deal together
- [Radical Ventures](https://shizune.co/investors/profile/radical-ventures) — VC Fund, 1 deal together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 1 deal together

## About M12 - Microsoft's Venture Fund

VC Fund · San Francisco, United States

M12 - Microsoft’s venture fund, invests in early-stage enterprise software companies with a focus on AI, cloud infrastructure, cybersecurity, developer tools, vertical SaaS, and Web3/Gaming. Since 2016, M12 has invested in over 100 companies, helping startups accelerate growth with unparalleled access to Microsoft.

5 contacts available at M12 - Microsoft's Venture Fund.

| Name | Title | Profile |
| --- | --- | --- |
| Peter Lenke | Managing Partner | https://shizune.co/investors/profile/peter-lenke |
| Priyanka Mitra | Partner | https://shizune.co/investors/profile/priyanka-mitra |
| Todd Graham | Managing Partner | https://shizune.co/investors/profile/todd-graham |
| James Wu | Partner | https://shizune.co/investors/profile/james-wu-855c |
| John Vela | Director of Portfolio Development | https://shizune.co/investors/profile/john-vela-77d2 |

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### Similar stage
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## FAQ

### What does Peter Lenke invest in?

Peter Lenke invests primarily in Fraud Detection, Risk Management and Intelligent Systems startups, most often at Series B stage. Most of the 1 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 Peter Lenke last invest?

The most recent investment recorded for Peter Lenke closed in May 2026. Shizune tracks 1 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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