Kai Hansen is a Berlin-based angel investor and former co-founding partner at Rheingau Founders. See portfolio, sector focus and contact routes.
Kai Hansen is a Berlin-based angel investor and former co-founding partner at Rheingau Founders who previously served as managing director and co-founder of the food-delivery platform Lieferando.de. He invests personally in pre-seed and seed-stage startups across the EU, with a focus on sectors including software, fintech, artificial intelligence, SaaS, and energy technologies such as fossil-free heating systems. His typical check involves personal capital exchanged for equity, and he often takes board or shareholder roles, acting as a lead investor or active partner rather than a passive follower. Notable portfolio companies include Booksy, where he serves as a board member and shareholder, as well as autarc, Munch, qomodo, Spacelift, and Sundose. Hansen has made over 40 angel investments since 2016, backing nine European tech companies across ten rounds totaling €31 million. He has publicly discussed angel investing and startup building during crises, including in a YouTube interview titled “How to invest as a business angel and build a startup in the middle of crisis”.
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