James Gwertzman
General Partner @ Andreessen Horowitz
Seattle, United States
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.
- Total investments:
- 6
- Last investment:
- Lead investor:
- 17%
Last updated:
For AI agents: llms.txt
Industries James Gwertzman invests in
Stages James Gwertzman invests in
Countries James Gwertzman invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Gaming 5 (83%)
- Video Games 2 (33%)
- Virtual Reality 2 (33%)
- Artificial Intelligence 2 (33%)
- Mobile 1 (17%)
Stage
- Seed 3 (50%)
- Pre-Seed 1 (17%)
- Series B 1 (17%)
Country
- United States 3 (50%)
- Sweden 1 (17%)
- Australia 1 (17%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Windup Minds is a game studio focused on creating VR and MR virtual pet experiences. | $1.6M / Pre-Seed / Aug 07, 2023 | ||
| Regression Games makes competitive gaming based on artificial intelligence available and enjoyable for everyone. | $4.2M / Seed / Jun 29, 2022 | ||
| Lumi Interactive was founded with one goal in mind: to make the world a kinder place. | $6.8M / Seed / Jun 21, 2022 | ||
| 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 | ||
| 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 | ||
| See all 6 investments → | |||
Co-Investors
About Andreessen Horowitz
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.
Andreessen Horowitz Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Andrew Chen
General Partner
|
|||
Anish Acharya
General Partner
|
|||
David George
General Partner
|
|||
Emily Bennett
investing partner
|
|||
Gabriel Vasquez
Partner
|
Access 48,091 investors
822 industries, 177 countries. Updated daily. Emails and phones included.
Browse database — It's Free!
Find investors for your startup
Search 48,091 investors by industry and country. Emails and phones included.
Similar Investors
Similar industry
Similar country
Featured in Investor Lists
Recommended lists
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.
Contact your first 100 investors today
Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.
Find investors — It's Free!
Continue with Google
Continue with LinkedIn
