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In his role as COO, Koller is responsible for operations, tech integration and project management, and drives the growth of the European mobile payment solution Bluecode by connecting new banks and merchants. The business graduate has more than 15 years of experience from various management positions in the payment and e-commerce industry: As former COO of Sofort GmbH, he developed “Sofortüberweisung” into the leading European direct transfer method together with Jens Lütcke, ex-Sofort Managing Director and current Deputy CEO of Bluecode. After another stint at Klarna as Director Merchant Development, SME Sales & Commercial Operations for the DACH region, he was most recently responsible for more than four years as COO of Deutsche Handelsbank.