Dennis is a full-time Senior Investment Manager at xdeck (www.xdeck.vc) and part-time entrepreneurship lecturer at Steinbeis University. xdeck is a pre-seed and seed-focused venture platform that invests into B2B tech startups from across Europe, where Dennis was one of the founding members in 2020. His responsibilities include the end-to-end execution of venture capital investments and the growth support of startups. Dennis’ xdeck portfolio companies include Floy, Packmatic, and Sunhat. In his free time, Dennis is an active angel investor in global tech startups. As a startup coach and sparring partner, Dennis has supported more than 150 startups.

Additionally, Dennis is entrepreneurship lecturer at WHU – Otto Beisheim School of Management, where he also received his Ph.D. degree on the topic of “entrepreneurial passion”. He co-lectures the annual seminar “New Venture Creation”, out of which many successful startups have emerged over the last years, including Afilio, PowerUs, and Warehousing1. At Steinbeis University, Dennis is responsible for several entrepreneurship-related courses where he strives to provide students with hands-on tools and concepts to launch their own entrepreneurial journeys. Topics include: Entrepreneurial mindset, structured ideation and business modelling, effectuation, lean-startup methodology, startup financing and entrepreneurial marketing.