Dr. Stefan Glänzer is a Co-Founder and serves as Chairman of Rebate Networks. He is a Board Member at Limejump. He is the Founder of White Bear Yard. He was the first investor and Executive Chairman of the Last.fm, seeing that company through to its sale to CBS in 2007. Prior to that, he co-founded Ricardo.de, one of the first European online auction sites, which he took public in 1999 before merging with QXL in 2000. He is also an Angel Investor.