Mr. Claude Ritter serves as Managing Partner at Cavalry Ventures. He is a Co-Founder and serves as Managing Director at Pico Ventures. He serves as a Board Member at Actio, Anyone, Flip, Spread and Upper. He serves as a Board Observer at Aleph Alpha and Medbelle. He co-founded Book a Tiger where he served as Chief Executive Officer. Pico Ventures is his investment company, which he use to make angel investments into promising companies that he finds interesting. Pico Ventures is not a fund and he makes all investment with his own money. He co-founded and served as Chief Product Officer at Delivery Hero. Before Lieferheld, he served as Chief Executive Officer at NetCircle for 5 years, a 50 person web company that develops and operates niche community websites with more than 3 million users. He also co-founded duqi.com, a Chinese real-time photo sharing site (now defunct) and Aionics, a Swiss-based web agency.