# George Efstratiades

> George Efstratiades is a seed investor backing Big Data and Machine Learning. See 1 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Total investments: 1
- Last investment: Jan 2016
- Lead investor: 0%
- Last updated: Sep 2026

George Efstratiades is a seed investor focused on Big Data and Machine Learning. George Efstratiades

## Contacts

5 contacts available for George Efstratiades: 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/george-efstratiades?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Big Data | 1 | 100% |
| Machine Learning | 1 | 100% |
| Financial Services | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Teastock | We are using machine learning and Big Data to bring you the most accurate stock movement information algorithm. | $27.3K | Seed | Jan 10, 2016 |  |

1 of 1 investments shown.

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## Featured in investor lists
- [SaaS Angel Investors in Cyprus](https://shizune.co/investors/saas-angel-investors-cyprus)

## FAQ

### What does George Efstratiades invest in?

George Efstratiades invests primarily in Big Data, Machine Learning and Financial Services startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Cyprus. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact George Efstratiades?

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 George Efstratiades last invest?

The most recent investment recorded for George Efstratiades closed in Jan 2016. Shizune tracks 1 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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