# Tobias Johann

> Tobias Johann is a seed investor at Rheingau Founders (Berlin) backing Big Data and Internet. See 12 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Rheingau Founders](https://shizune.co/investors/profile/rheingau-founders)
- Location: Berlin, Germany
- Total investments: 12
- Last investment: Aug 2020
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tobias-johann-7b95b320/

Tobias Johann is a seed investor at Rheingau Founders in Berlin focused on Big Data and Internet. Dr. Tobias Johann is a successful serial entrepreneur and investor from Berlin, Germany, and Founding Partner of Rheingau Founders.Tobias launched his first profitable company before the beginning of his studies and doctorate in entrepreneurship at the European Business School. While studying, he also launched his first internet startup,sportme, a social community for athletes, with Philipp Hartmann and Kai Hansen in 2007, before going on to create Rheingau Founders together. Since then he has founded many more startups individually and as part of Rheingau Founders.At Rheingau Founders, Tobias provides portfolio companies with financial, operational and consultative guidance, mainly in the areas of finance, fundraising, law and strategy. Tobias is a passionate kite surfer, and is also involved in the Berlin startup scene as a business angel and mentor at Techstars, Axel Springer Plug & Play, Seedcamp, and Microsoft Ventures Accelerator. Tobias is also the Chairman of the Advisory Board of simplesurance, board member of itembase and formerly Rebuy, Lieferando and the EBS House of Ventures.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Big Data | 2 | 17% |
| Internet | 2 | 17% |
| E-Commerce | 2 | 17% |
| FinTech | 1 | 8% |
| Software | 1 | 8% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 33% |
| Series A | 2 | 17% |
| Pre-Seed | 1 | 8% |
| Series B | 1 | 8% |
| Series C | 1 | 8% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 3 | 25% |
| United States | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Qualifyze | Qualifyze (former ChemSquare) was founded out of the Technical University of Darmstadt in September 2017. Today, we are based in Frankfurt am Main, the heart of Germany’s pharmaceutical cluster, where the leading life science companies are based. Our team consists of 16 people with diverse backgrounds and areas of expertise in business,engineering, and technology as well as several strategic partners from the pharma, food and cosmetics industry. | $3.5M | Seed | Aug 02, 2020 |  |
| realxdata | Making the asset class commercial real estate transparent and globally accessible for every investor by building the leading data driven analysis solution for commercial real estate through integrating proprietary data, utilising crowdsourced data and structuring valuable public data. #BigData #Machine Learning | $3.8M | Series A | Dec 01, 2019 |  |
| realxdata | Making the asset class commercial real estate transparent and globally accessible for every investor by building the leading data driven analysis solution for commercial real estate through integrating proprietary data, utilising crowdsourced data and structuring valuable public data. #BigData #Machine Learning | $1.6M | Seed | Jun 01, 2018 |  |
| simplesurance | Simplesurance develops innovative cross-selling solutions for e-commerce shops to combine traditional insurance industries with fast-paced digital business. Simplesurance's solution enables e-tailors to cross-sell product insurances within but not only the checkout processes and even before. Therewith online-shops are able to monetizecustomers twice in one process and gain additional margins and profit. More than 2,000 partners including many well-known e-commerce platforms and mobile electronic manufacturers, use the innovative power and flexibility of the company’s cross-selling platform. In addition, Simplesurance offers to all customers an innovative digital broker service to manage all of the insurances on smartphones, easy and completely paperless.Simplesurance was founded on 2012 and is headquartered in Berlin, Germany. | $24M | Series C | May 08, 2018 |  |
| realxdata | Making the asset class commercial real estate transparent and globally accessible for every investor by building the leading data driven analysis solution for commercial real estate through integrating proprietary data, utilising crowdsourced data and structuring valuable public data. #BigData #Machine Learning | $796K | Pre-Seed | Jun 01, 2017 |  |
| simplesurance | Simplesurance develops innovative cross-selling solutions for e-commerce shops to combine traditional insurance industries with fast-paced digital business. Simplesurance's solution enables e-tailors to cross-sell product insurances within but not only the checkout processes and even before. Therewith online-shops are able to monetizecustomers twice in one process and gain additional margins and profit. More than 2,000 partners including many well-known e-commerce platforms and mobile electronic manufacturers, use the innovative power and flexibility of the company’s cross-selling platform. In addition, Simplesurance offers to all customers an innovative digital broker service to manage all of the insurances on smartphones, easy and completely paperless.Simplesurance was founded on 2012 and is headquartered in Berlin, Germany. | $12.8M |  | Mar 16, 2017 |  |
| simplesurance | Simplesurance develops innovative cross-selling solutions for e-commerce shops to combine traditional insurance industries with fast-paced digital business. Simplesurance's solution enables e-tailors to cross-sell product insurances within but not only the checkout processes and even before. Therewith online-shops are able to monetizecustomers twice in one process and gain additional margins and profit. More than 2,000 partners including many well-known e-commerce platforms and mobile electronic manufacturers, use the innovative power and flexibility of the company’s cross-selling platform. In addition, Simplesurance offers to all customers an innovative digital broker service to manage all of the insurances on smartphones, easy and completely paperless.Simplesurance was founded on 2012 and is headquartered in Berlin, Germany. | $8M | Series B | Mar 03, 2015 |  |
| Itembase | Itembase is an e-commerce API integration platform. It is a marketplace that connects e-commerce shops with solution providers. It allows solution providers to offer services on multiple shop systems by solely integrating with itembase. Today, already more than 120,000 e-commerce shops get access to the best solutions tailored to the needs.Itembase was founded on 2011 and is headquartered in San Francisco, California. |  | Series A | Dec 01, 2014 |  |
| simplesurance | Simplesurance develops innovative cross-selling solutions for e-commerce shops to combine traditional insurance industries with fast-paced digital business. Simplesurance's solution enables e-tailors to cross-sell product insurances within but not only the checkout processes and even before. Therewith online-shops are able to monetizecustomers twice in one process and gain additional margins and profit. More than 2,000 partners including many well-known e-commerce platforms and mobile electronic manufacturers, use the innovative power and flexibility of the company’s cross-selling platform. In addition, Simplesurance offers to all customers an innovative digital broker service to manage all of the insurances on smartphones, easy and completely paperless.Simplesurance was founded on 2012 and is headquartered in Berlin, Germany. | $1.1M | Series B | Jul 01, 2014 |  |
| Itembase | Itembase is an e-commerce API integration platform. It is a marketplace that connects e-commerce shops with solution providers. It allows solution providers to offer services on multiple shop systems by solely integrating with itembase. Today, already more than 120,000 e-commerce shops get access to the best solutions tailored to the needs.Itembase was founded on 2011 and is headquartered in San Francisco, California. | $3.3M | Series A | Oct 24, 2013 |  |

10 of 12 investments shown.

## Co-investors
- [Allianz](https://shizune.co/investors/profile/allianz) — VC Fund, 2 deals together
- [Born2Grow](https://shizune.co/investors/profile/born2grow) — VC Fund, 2 deals together
- [Mountain Partners](https://shizune.co/investors/profile/mountain-partners) — VC Fund, 2 deals together
- [Route 66 Ventures](https://shizune.co/investors/profile/route-66-ventures) — VC Fund, 2 deals together
- [Allianz X](https://shizune.co/investors/profile/allianz-x) — VC Fund, 1 deal together
- [APX](https://shizune.co/investors/profile/apxberlin) — VC Fund, 1 deal together

## About Rheingau Founders

VC Fund · Berlin, Germany

Rheingau Founders is a Berlin&Munich based Venture Capital firm active since 2011. Focusing on pre-seed to Series A investments in Europe, predominantly B2B in the fields of Marketplaces, Software as a Service, InsurTech, and eHealth. Rheingau targets start-ups that have the potential to sustainably disrupt existing processes and value chains.Besides the financial investment, we offer strategic support through the mentorship of our partners.

4 contacts available at Rheingau Founders.

| Name | Title | Profile |
| --- | --- | --- |
| Johann Reich | General Partner | https://shizune.co/investors/profile/johann-reich |
| Marius Weber | Partner | https://shizune.co/investors/profile/marius-weber |
| Philipp Hartmann | Founder and Managing Partner | https://shizune.co/investors/profile/philipp-hartmann |
| Tobias Johann | Founder and Managing Partner | https://shizune.co/investors/profile/tobias-johann |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Tobias Johann invest in?

Tobias Johann invests primarily in Big Data, Internet and E-Commerce startups, most often at Seed and Series A stage. Most of the 12 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Tobias Johann last invest?

The most recent investment recorded for Tobias Johann closed in Aug 2020. Shizune tracks 12 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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