# Ozlem Tumer Eke

> Ozlem Tumer Eke is a seed investor in Istanbul backing Biotechnology and AgTech. See 8 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Istanbul, Turkey
- Total investments: 8
- Last investment: Sep 2025
- Lead investor: 13%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ozlemtumereke/

Ozlem Tumer Eke is an angel Investor.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $850k–$2M |
| Pre-Seed | $495k–$1M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 3 | 38% |
| AgTech | 1 | 13% |
| Beauty | 1 | 13% |
| Software | 1 | 13% |
| Wellness | 1 | 13% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 50% |
| Pre-Seed | 2 | 25% |
| Grant | 1 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| reprai | reprai is the pharma-native AI built to automate and optimize the operations of pharmaceutical companies. The company is dedicated to making pharmaceutical operations smarter, faster, and more efficient than ever before. | $1M | Pre-Seed | Sep 01, 2025 |  |
| text2test | Text2Test is an AI-based approach that allows for the creation of executable, maintainable, and self-healing end-to-end tests using unrestricted plain language descriptions without a need for technical expertise. | $495K | Pre-Seed | Nov 29, 2024 |  |
| F4e | F4e is an employee performance management platform that helps to manage and improve employee performance by using AI. | $1M | Seed | Aug 17, 2024 |  |
| Cellestetix | Cellestetix is a biotech company that specializes in developing and commercializing plant-based exosome formulas for regenerating skin, hair, and wellness. | $2M | Seed | Aug 16, 2024 |  |
| PhiTech Bioinformatics | PhiTech Bioinformatics translates genome-wide molecular data, Transcriptomics, Epigenomics, Microbiomics into biotechnology solutions. | $1.1M | Seed | Mar 08, 2024 |  |
| Nanomik Biotechnology | Nanomik Biotechnology produces next generation biofungicides that increase the shelf life of fresh fruits and vegetables. Antimicrobial raw materials produced by microorganisms isolated from nature and active molecules obtained from plants are placed in micro-sized biopolymer capsules and applied to fruits. These completely natural microcapsulesadhere to the fruit and open within 24-48 hours and provide protection on the surface. While the biopolymer material forms an edible layer on the fruit, the ingredients in it prevent the growth of molds present in the medium. Unlike chemical fungicides, our products do not cause any harm to human and environment. | $878K | Grant | Dec 21, 2022 |  |
| Nanomik Biotechnology | Nanomik Biotechnology produces next generation biofungicides that increase the shelf life of fresh fruits and vegetables. Antimicrobial raw materials produced by microorganisms isolated from nature and active molecules obtained from plants are placed in micro-sized biopolymer capsules and applied to fruits. These completely natural microcapsulesadhere to the fruit and open within 24-48 hours and provide protection on the surface. While the biopolymer material forms an edible layer on the fruit, the ingredients in it prevent the growth of molds present in the medium. Unlike chemical fungicides, our products do not cause any harm to human and environment. | $850K | Seed | Dec 20, 2022 |  |
| Nanomik Biotechnology | Nanomik Biotechnology produces next generation biofungicides that increase the shelf life of fresh fruits and vegetables. Antimicrobial raw materials produced by microorganisms isolated from nature and active molecules obtained from plants are placed in micro-sized biopolymer capsules and applied to fruits. These completely natural microcapsulesadhere to the fruit and open within 24-48 hours and provide protection on the surface. While the biopolymer material forms an edible layer on the fruit, the ingredients in it prevent the growth of molds present in the medium. Unlike chemical fungicides, our products do not cause any harm to human and environment. | $850K | Seed | Dec 20, 2022 |  |

8 of 8 investments shown.

## Co-investors
- [Arya Women's Investment Platform](https://shizune.co/investors/profile/arya-women-s-investment-platform) — VC Fund, 3 deals together
- [ITUARI Teknokent](https://shizune.co/investors/profile/ituari-teknokent) — VC Fund, 3 deals together
- [Rockstart](https://shizune.co/investors/profile/rockstart-accelerator) — VC Fund, 3 deals together
- [TRANGELS](https://shizune.co/investors/profile/tr-angels) — VC Fund, 3 deals together
- [CVentures](https://shizune.co/investors/profile/cventures-c881) — VC Fund, 2 deals together
- [Istcapital](https://shizune.co/investors/profile/istcapital) — VC Fund, 2 deals together

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## FAQ

### What does Ozlem Tumer Eke invest in?

Ozlem Tumer Eke invests primarily in Biotechnology, AgTech and Beauty startups, most often at Seed and Pre-Seed stage. Most of the 8 investments tracked by Shizune back companies in Turkey. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Ozlem Tumer Eke's check size?

Ozlem Tumer Eke typically joins rounds of $850k–$2M at Seed and $495k–$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 Ozlem Tumer Eke participates in.

### When did Ozlem Tumer Eke last invest?

The most recent investment recorded for Ozlem Tumer Eke closed in Sep 2025. Shizune tracks 8 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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