Stephan Uhrenbacher

Stephan Uhrenbacher is the Founder and Managing Director of Density Ventures GmbH, an investment company established to support deep tech startups across Europe and North America. In this capacity, he has been instrumental in launching the Sustainable Aero Lab, the world's first accelerator dedicated to sustainable aviation and energy, which has mentored over 90 startups globally. Under his leadership, the Lab secured funding from Breakthrough Energy in 2023 and 2024, an organization founded by the Gates Foundation.

A seasoned entrepreneur himself, Mr. Uhrenbacher has founded several successful companies, including Qype, a leading European local reviews platform acquired by Yelp; 9flats.com, a global competitor to Airbnb; and Avocado Store, Germany's prominent eco-friendly lifestyle marketplace. His corporate experience encompasses senior management roles such as Chief Operating Officer at DocMorris.com, Head of Content at Bild.de, and Head of Northern Europe at lastminute.com. He holds a Master of Business Administration and Mechanical Engineering from a German institution and completed part of his MBA at Queens University in Canada. Mr. Uhrenbacher resides in Hamburg, Germany.

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