About
I am an entrepreneur since as a kid I got my first computer and started coding 👨💻. I have founded and lead a few companies, including Sedo.com, Eyeo.com (makers of AdBlock) and, most recently, our saas.group. I also enjoy investing into start ups and mentoring the next generation of founders, especially climate tech founders, where together with Ecosia.org we're building WorldFund.vc 🌳🌍
Experience
General Partner
World Fund · Cologne, North Rhine-Westphalia, Germany
Present
We back entrepreneurs building climate tech for a regenerative world.
Co-Founder
Present
Saas.group acquires promising SaaS companies with a founder-friendly process in order to elevate their product - and their people - to the next level.
Board Member and Co-Steward-Owner
Ecosia · Berlin, Germany
Present
Helping Ecosia's mission for over a decade now.
Investor
TS Ventures GmbH · Cologne
Present
50+ Angel investments (SaaS, AI, market places and climate tech) over 10 years. Still actively investing.
Co-Founder and Chairman
Eyeo GmbH · Cologne Area, Germany
Present
Eyeo is the world's leading company protecting users from annoying advertising (we're behind popular ad blocking software Adblock Plus and also power ad blocking in many browsers). We're a team of 300 people and are headquartered in Cologne, Germany.
Board Member
After handing over the CEO role to my successor, I stayed on as part of the supervisory board of directors for two years. We then took the company private, and it's now wholly owned by 1&1.
Ceo/Vorstand
Sedo.com · Cologne, North Rhine-Westphalia, Germany
The publicly listed Sedo Holding comprised of two marketplaces: Affili.net (now merged with AWIN), a leading European affiliate marketing network, and Sedo.com, still to this day the world's largest domain marketplace. The group had over 300 employees, and over 100 million in revenues.
Ceo and Co-Founder
Sedo.com LLC / Sedo GmbH · Boston, Massachusetts, United States
I was co-founder and CEO of the company, with offices in Cologne (Germany), and Boston (USA). Grew the company to ~300 people and in 2009 took it public on the German stock exchange. To this day, Sedo.com is the leading global marketplace for buying and selling domain names and websites.
Education
University of Cologne
MBA, Business Administration and Management, General
Stockholm School of Economics
Master in Finance, Entrepreneurship
Friedrich-Gymnasium, Freiburg
Woodinville High School
High School Exchange Year
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