# Guido Grinbaum

> Guido Grinbaum is a seed investor at Block Academy backing EdTech and Internet. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Block Academy](https://shizune.co/investors/profile/block-academy)
- Total investments: 3
- Last investment: Sep 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/guidogrinbaum
- X (Twitter): https://twitter.com/edugrin
- Website: https://x.com/edugrin
- Facebook: https://www.facebook.com/ggrinbaum

Guido Grinbaum is a Co-Founder and Chairman at POK Proof of knowledge. He previously worked at Wabi Project as a Co-Founder and Managing Partner. Guido Grinbaum attended the Stanford University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| EdTech | 1 | 33% |
| Internet | 1 | 33% |
| Blockchain | 1 | 33% |
| Health Care | 1 | 33% |
| Document Management | 1 | 33% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 33% |
| Angel | 1 | 33% |
| Series A | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Uruguay | 2 | 67% |
| Argentina | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Motivia | Motivia is a pioneering health tech company dedicated to transforming the way patients manage chronic conditions. The innovative disease management platform empowers patients by providing personalized education, expert coaching, and gamified tools to track and monitor their treatment journey. With a business model that combines cutting-edgetechnology and compassionate support, Motivia is revolutionizing the healthcare landscape and driving positive outcomes for patients. | $400K | Angel | Sep 01, 2023 |  |
| Block Academy | Internet Marketplace Platforms | $1.5M | Seed | Apr 01, 2022 |  |
| POK - Proof of Knowledge | POK is a document issuer platform that offers documents such as badges, certificates, diplomas, micro-credentials, verifiable credentials, and proof of assistance as NFTs in the blockchain. In this platform where institutions issue verifiable diplomas on the Blockchain. They specialize in education, professional development, and accomplishments andreceive lifelong recognition. | $12M | Series A |  |  |

3 of 3 investments shown.

## About Block Academy

VC Fund · Montevideo, Uruguay

Internet Marketplace Platforms

2 contacts available at Block Academy.

| Name | Title | Profile |
| --- | --- | --- |
| Guido Grinbaum | Co-Founder and Chairman | https://shizune.co/investors/profile/guido-grinbaum |
| Pablo Doberti | Discovery Director | https://shizune.co/investors/profile/pablo-doberti |

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## FAQ

### What does Guido Grinbaum invest in?

Guido Grinbaum invests primarily in EdTech, Internet and Blockchain startups, most often at Seed and Angel stage. Most of the 3 investments tracked by Shizune back companies in Uruguay. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Guido Grinbaum last invest?

The most recent investment recorded for Guido Grinbaum closed in Sep 2023. Shizune tracks 3 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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