# Yagiz Karadeniz

> Yagiz Karadeniz is a seed investor in Istanbul backing SaaS and Google. See 5 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: Istanbul, Turkey
- Total investments: 5
- Last investment: Nov 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ya%C4%9F%C4%B1z-karadeniz/
- Website: https://dominovc.com/

Yagiz Karadeniz is a seed investor in Istanbul focused on SaaS and Google. Yagiz Karadeniz serves as Managing Partner at DOMiNO Ventures with a focus on providing seed and early stage funding for entrepreneurs with breakthrough ideas in Artificial Intelligence, Gaming and Web3. He is helping the Turkish and Eastern European startups who transform existing industries with the power of technology on the global stage. He iscarrying different roles in many NGOs and investment networks in related to entrepreneurship.

## Contacts

5 contacts available for Yagiz Karadeniz: 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/yağız-karadeniz-1980?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $100k–$2.4M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 1 | 20% |
| Google | 1 | 20% |
| Banking | 1 | 20% |
| FinTech | 1 | 20% |
| Facebook | 1 | 20% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 80% |
| Series A | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Turkey | 2 | 40% |
| United States | 2 | 40% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Helio AI | Helio AI uses AI and game-based tests to help companies hire 10x faster while cutting their daily tasks in half. More than 300 top brands across six countries, including BMW and Zara, trust Helio AI, with a churn rate of just 2% | $1M | Seed | Nov 25, 2025 |  |
| Igor | We are a neobanking company based in Istanbul that operates exclusively online without any traditional physical branch. Igor allows you to open a paperless account in less than 2 minutes.While not a bank itself, we provide banking and financial services in partnership with leading banks in Turkey through our web, mobile app and prepaid igor Card.We offer numerous features for individuals and merchants as a payment and PF solution. We are trying to help small and big businesses succeed on their own terms by accepting all credit and debit cards with better commissions than the regular market. | $900K | Seed | Nov 21, 2023 |  |
| Wask | Wask is a digital marketing software. All digital advertisers can manage and report a Ad accounts, Its İntegratable with Facebook & Instagram Ads, Google Ads, Twitter Ads and Linkedin Ads. | $2.4M | Seed | Mar 28, 2023 |  |
| Wask | Wask is a digital marketing software. All digital advertisers can manage and report a Ad accounts, Its İntegratable with Facebook & Instagram Ads, Google Ads, Twitter Ads and Linkedin Ads. | $2.4M | Series A | Mar 28, 2023 |  |
| Iftrue | Iftrue empowers software teams to accelerate their development process and achieve exceptional growth with data-driven insights and a focus on optimizing developer experiences. The company focuses on optimizing developer experiences, enabling software developers to improve productivity and accelerate the software development process. | $100K | Seed | Nov 10, 2022 |  |

5 of 5 investments shown.

## Co-investors
- [Logo Ventures](https://shizune.co/investors/profile/logo-ventures) — VC Fund, 3 deals together
- [APY Ventures](https://shizune.co/investors/profile/apy-ventures) — VC Fund, 2 deals together
- [Eksim Ventures](https://shizune.co/investors/profile/eksim-ventures) — VC Fund, 2 deals together
- [Turkey Development Fund](https://shizune.co/investors/profile/turkey-development-fund) — VC Fund, 2 deals together
- [Turkiye Teknoloji Gelistirme Vakfi](https://shizune.co/investors/profile/turkiye-teknoloji-gelistirme-vakfi) — VC Fund, 2 deals together
- [Aegean Ventures](https://shizune.co/investors/profile/aegean-ventures-055b) — VC Fund, 1 deal together

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## Featured in investor lists
- [Payments Angel Investors in Turkey](https://shizune.co/investors/payments-angel-investors-turkey)

## FAQ

### What does Yagiz Karadeniz invest in?

Yagiz Karadeniz invests primarily in SaaS, Google and Banking startups, most often at Seed and Series A stage. Most of the 5 investments tracked by Shizune back companies in Turkey. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Yagiz Karadeniz's check size?

Yagiz Karadeniz typically joins rounds of $100k–$2.4M 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 Yagiz Karadeniz participates in.

### How do I contact Yagiz Karadeniz?

Public channels for Yagiz Karadeniz include LinkedIn and the website linked on this profile. 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 Yagiz Karadeniz last invest?

The most recent investment recorded for Yagiz Karadeniz closed in Nov 2025. 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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