Request page removalAbout Stefan Tietze
Stefan Tietze is an entrepreneur and an angel investor based out of Berlin, Germany. They did their Bachelors from WHU. Their journey in the startup ecosystem started in 2014 through used.de. Stefan Tietze has founded 2 companies. They are currently acting as the, and as the co-founder of used.de. As an angel investor, Stefan Tietze has a portfolio of 7 companies, focusing primarily on sectors like Enterprise Applications, Industrial Goods and Manufacturing and 2 more sectors. They invest in companies across Germany, United Kingdom and 1 more. Their most notable investments include companies like Jus Mundi and heyData.
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Stefan Tietze's Investments
Stefan Tietze has invested in 7 companies. Their most recent investment was in SEAL Robotics (Seed Round) on Jan 29, 2026. Their investments are primarily in Enterprise Applications, Industrial Goods and Manufacturing and 2 more sectors. Their investment portfolio include companies in Germany, United Kingdom and 1 more.Here is the list of recent investments by Stefan Tietze:
Date | Company | Round | Round Amount | Co-Investors |
|---|---|---|---|---|
Jan 29, 2026 | Seed | $2.1M | ||
Sep 01, 2025 | Seed | $3.51M | ||
Jun 28, 2023 | Seed | $1.09M | ||
Sep 13, 2022 | Seed | $3.34M |
Stefan Tietze's Founded Companies
Stefan Tietze has founded 2 companies namely used.de and Tietze Capital.
Here are the details of all founded companies by Stefan Tietze:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
Online commission-based marketplace for multi-category used products | $1.1M | 2014 | Seed | Berlin | |
Private equity firm focused on multiple sectors | - | 2020 | Unfunded | Berlin |
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