# Seth Sivak

> Seth Sivak is a seed investor at Proletariat (New Boston) backing Gaming and Mobile Apps. See 5 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Proletariat](https://shizune.co/investors/profile/proletariat)
- Location: New Boston, United States
- Total investments: 5
- Last investment: Oct 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sethsivak
- X (Twitter): https://twitter.com/sjsivak
- Website: https://x.com/sjsivak

Seth Sivak is a seed investor at Proletariat in New Boston focused on Gaming and Mobile Apps. Seth Sivak is Founder & CEO of Proletariat.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $700k–$4.8M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Gaming | 2 | 40% |
| Mobile Apps | 2 | 40% |
| Video Games | 2 | 40% |
| Online Games | 2 | 40% |
| Information Technology | 2 | 40% |

8 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 60% |
| Series A | 1 | 20% |
| Funding Round | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Live Aware Labs | Live Aware is on a mission to equip game developers of all sizes with new tools to transform community sentiment into actionable insights - live, and at scale. Live Aware gives developers the ability to bring their games to market faster and better aligned with audience expectations, leading to greater financial success.Live Aware is an feedbackmanagement platform designed for game developers to seamlessly capture, analyze, and surface real-time player feedback. This comprehensive solution streamlines the entire feedback process through all stages of development - from internal build reviews and creative direction, to large-scale external playtesting. | $4.8M | Seed | Oct 16, 2024 |  |
| Balancy | Balancy is a workspace for game designers and monetization managers that provides a set of tools for fine-tuning game balance and monetization through LiveOps - special offers, game events, segmentation, A/B Tests, etc. This allows game developers to create more experiences, better customize games for players, and increase retention andmonetization. | $700K | Seed | Mar 12, 2024 |  |
| Closing Theory | Closing Theory is a studio for mobile game development. | $2.3M |  | Jul 24, 2023 |  |
| Closing Theory | Closing Theory is a studio for mobile game development. | $2.3M | Seed | Jul 24, 2023 |  |
| Gardens | Founded by designers of such award-winning indie titles as Journey, What Remains of Edith Finch, Dustforce, Blaseball, and more, Gardens Interactive is a game studio focused on the future of online play, growing lush, living spaces that need to be cared for by their communities, and fostering meaningful, memorable stories between players around theworld. | $31.3M | Series A | May 31, 2023 |  |

5 of 5 investments shown.

## Co-investors
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 2 deals together
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 2 deals together
- [Powerhouse Capital](https://shizune.co/investors/profile/powerhouse-capital-d77f) — VC Fund, 2 deals together
- [Transcend.](https://shizune.co/investors/profile/transcend-fund) — VC Fund, 2 deals together
- [A16Z GAMES Speedrun](https://shizune.co/investors/profile/a16z-games) — VC Fund, 1 deal together
- [Krafton](https://shizune.co/investors/profile/bluehole) — VC Fund, 1 deal together

## About Proletariat

VC Fund · Cambridge, United States

Proletariat is a Boston-based startup built by game-industry veterans from Harmonix, Turbine, Media Molecule, and Insomniac. Proletariat lovingly handcrafts engaging tablet-first experiences, focusing on creating great team multiplayer games. Like the original revolution, Proletariat rises up to wrest game development from big industry and returnit to the people.

5 contacts available at Proletariat.

| Name | Title | Profile |
| --- | --- | --- |
| Seth Sivak | Co-Founder & CEO | https://shizune.co/investors/profile/seth-sivak |
| Damon Iannuzzelli | Co Founder/Art Director | https://shizune.co/investors/profile/damon-iannuzzelli |
| Dan Ogles | CTO | https://shizune.co/investors/profile/dan-ogles-2 |
| Jesse Kurlancheek | Design Director, Co-founder | https://shizune.co/investors/profile/jesse-kurlancheek |
| Joe Mukai | CTO / Co-founder | https://shizune.co/investors/profile/joe-mukai |

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## Featured in investor lists
- [Video Games Angel Investors](https://shizune.co/investors/video-games-angel-investors)

## FAQ

### What does Seth Sivak invest in?

Seth Sivak invests primarily in Gaming, Mobile Apps and Video Games startups, most often at Seed and Series A stage. Most of the 5 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 Seth Sivak's check size?

Seth Sivak typically joins rounds of $700k–$4.8M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Seth Sivak participates in.

### When did Seth Sivak last invest?

The most recent investment recorded for Seth Sivak closed in Oct 2024. Shizune tracks 5 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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