# Dimitri Seas

> Dimitri Seas is a seed investor in Seattle backing Robotics and Health Care. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Seattle, United States
- Total investments: 13
- Last investment: Nov 2021
- Lead investor: 31%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/dmitriy-sysoev

Dimitri Seas is a seed investor in Seattle focused on Robotics and Health Care. The founder of 2GIS

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $600k–$4.2M |
| Pre-Seed | $365k–$1.1M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Robotics | 2 | 15% |
| Health Care | 2 | 15% |
| Artificial Intelligence | 2 | 15% |
| Apps | 1 | 8% |
| Big Data | 1 | 8% |

27 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 23% |
| Pre-Seed | 2 | 15% |
| Series A | 2 | 15% |
| Funding Round | 1 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 3 | 23% |
| Hong Kong | 1 | 8% |
| United Kingdom | 1 | 8% |
| Russian Federation | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $1.2M |  | Nov 10, 2021 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $4.2M | Seed | Nov 01, 2021 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $600K | Seed | Feb 01, 2021 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $1.5M | Seed | Sep 01, 2020 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $2M |  | Sep 01, 2020 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $1.7M | Pre-Seed | May 05, 2020 |  |
| Fluence Cloud | Fluence is an open-source, public, blockchain-based decentralized database platform. It connects computing devices into the network running managed database services and generalized backends, all the while using a cryptographic token as a digital payment system. |  | Seed | Aug 01, 2018 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $1.1M | Seed | Apr 01, 2017 |  |
| Welltory | Welltory is a tech company that develops the most popular all-in-one wellness application ranked in the top 50 Health & Fitness apps and featured 20 times by the App Store. The AI/ML-powered app keeps over 10 million users on track for lifelong health by leveraging data from over 1,200 apps & gadgets.Welltory delivers personalizedwellness guidance based on insights created by proprietary algorithms that interpret user data for insights. Welltory's approach is backed by solid science, including comprehensive research, publications in top-tier journals like MDPI and Nature Scientific Reports, and partnerships with prestigious universities such as Johns Hopkins University and University College London, among many others.More than 65% of Welltory’s subscribers report experiencing better sleep, reduced stress, and increased physical activity.Founded in 2016 by serial entrepreneurs, Welltory is based in Redwood City, CA. For more information, please visit https://welltory.com/. | $1.1M | Pre-Seed | May 01, 2016 |  |
| Sync.MD | Sync.MD was created for patients, by doctors, to help coordinate medical care. | $3.5M | Series A |  |  |

10 of 13 investments shown.

## Co-investors
- [JOINT JOURNEY](https://shizune.co/investors/profile/jibjigger-r-ltd) — VC Fund, 2 deals together
- [1kx](https://shizune.co/investors/profile/1kx) — VC Fund, 1 deal together
- [AltaIR Capital](https://shizune.co/investors/profile/altair) — VC Fund, 1 deal together
- [CABRA VC](https://shizune.co/investors/profile/cabra-vc) — VC Fund, 1 deal together
- [Dekrypt Capital](https://shizune.co/investors/profile/dekrypt-capital) — VC Fund, 1 deal together
- [Embria](https://shizune.co/investors/profile/embria) — VC Fund, 1 deal together

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## FAQ

### What does Dimitri Seas invest in?

Dimitri Seas invests primarily in Robotics, Health Care and Artificial Intelligence startups, most often at Seed and Pre-Seed stage. Most of the 13 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 Dimitri Seas's check size?

Dimitri Seas typically joins rounds of $600k–$4.2M at Seed and $365k–$1.1M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Dimitri Seas participates in.

### When did Dimitri Seas last invest?

The most recent investment recorded for Dimitri Seas closed in Nov 2021. Shizune tracks 13 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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