# James Gwertzman

> James Gwertzman is a seed investor at Andreessen Horowitz backing Gaming. See 6 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Fund: [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz)
- Location: Seattle, United States
- Total investments: 6
- Last investment: Aug 2023
- Lead investor: 17%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/jamesgwertzman
- X (Twitter): https://twitter.com/gwertz
- Facebook: https://www.facebook.com/gwertzman

James Gwertzman is a seed investor at Andreessen Horowitz in Seattle focused on Gaming and Video Games. James Gwertzman is the current CEO of Mudstack. He previously worked at Microsoft as a General Manager. James Gwertzman attended Harvard University.

## Contacts

5 contacts available for James Gwertzman: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/james-gwertzman?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Gaming | 5 | 83% |
| Video Games | 2 | 33% |
| Virtual Reality | 2 | 33% |
| Artificial Intelligence | 2 | 33% |
| Mobile | 1 | 17% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 50% |
| Pre-Seed | 1 | 17% |
| Series B | 1 | 17% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 3 | 50% |
| Sweden | 1 | 17% |
| Australia | 1 | 17% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Windup Minds | Windup Minds is a game studio focused on creating VR and MR virtual pet experiences. | $1.6M | Pre-Seed | Aug 07, 2023 | https://windupminds.com |
| Regression Games | Regression Games makes competitive gaming based on artificial intelligence available and enjoyable for everyone. | $4.2M | Seed | Jun 29, 2022 | https://www.regression.gg/ |
| Lumi Interactive | Lumi Interactive was founded with one goal in mind: to make the world a kinder place. | $6.8M | Seed | Jun 21, 2022 | https://www.playkinderworld.com/ |
| LootLocker | LootLocker is the game backend that unlocks the tools needed for game developers to build, ship and run the best games. LootLocker provides out-of-the-box game features, backend services, and live ops tools for all games regardless of genre, scope, engine, or platform. | $2.1M | Seed | May 11, 2022 | https://www.lootlocker.io/ |
| Ramen VR | Ramen VR is a game development platform. It specializes in using XR and AI to build products that empower creators of online games and virtual worlds. It blends tech and AI to create tools that allow users to shape their own realities and discover new ways to interact with the digital and physical worlds. | $35M | Series B | Mar 17, 2022 | https://ramenvr.com/ |

5 of 6 investments shown.

## Co-investors
- [Acequia Capital (AceCap)](https://shizune.co/investors/profile/acequia-capital) — VC Fund, 2 deals together
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund, 2 deals together
- [1Up Ventures](https://shizune.co/investors/profile/1up-ventures) — VC Fund, 1 deal together
- [Anthos Capital](https://shizune.co/investors/profile/anthos-capital) — VC Fund, 1 deal together
- [BBQ Capital](https://shizune.co/investors/profile/bbq-capital) — VC Fund, 1 deal together
- [Dune Ventures](https://shizune.co/investors/profile/dune-ventures) — VC Fund, 1 deal together

## About Andreessen Horowitz

VC Fund · Menlo Park, United States

Andreessen Horowitz supplies capital deployments across multiple development phases, ranging from early-stage seed investments to late-stage growth financing. Its specialized market coverage spans diverse sectors, including artificial intelligence, biological healthcare, consumer technologies, decentralized cryptocurrency networks, financial technology, and enterprise software infrastructure. Beyond capital allocations, the organization delivers operational support services by connecting corporate portfolio entities with a structured ecosystem of technical advisors, executive talent, and industry operators.

5 contacts available at Andreessen Horowitz.

| Name | Title | Profile |
| --- | --- | --- |
| Andrew Chen | General Partner | https://shizune.co/investors/profile/andrew-chen |
| Anish Acharya | General Partner | https://shizune.co/investors/profile/anish-acharya |
| David George | General Partner | https://shizune.co/investors/profile/david-george-2 |
| Emily Bennett | investing partner | https://shizune.co/investors/profile/emily-bennett |
| Gabriel Vasquez | Partner | https://shizune.co/investors/profile/gabriel-vasquez-db03 |

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## Featured in investor lists
- [Gaming Angel Investors in Sweden](https://shizune.co/investors/gaming-angel-investors-sweden)

## FAQ

### What does James Gwertzman invest in?

James Gwertzman invests primarily in Gaming, Video Games and Virtual Reality startups, most often at Seed and Pre-Seed stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact James Gwertzman?

Public channels for James Gwertzman include LinkedIn, X (Twitter) and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did James Gwertzman last invest?

The most recent investment recorded for James Gwertzman closed in Aug 2023. Shizune tracks 6 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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