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John Tsampalis

CEO at Twine

New York, USA


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John Tsampalis is a senior executive with experience in creating, building, and commercializing new businesses and products. John led Mastercard’s Retail Fintech platform, commercializing Computer Vision, RFID, and Voice AI-based solutions with retailers and merchants across different verticals, globally. In Verizon, John created and launched the Smart Accessories retail business, impacting the digital transformation of Verizon’s retail stores and customer experience. He held different roles in product management, strategy & planning, software development, and architecture for mobile devices while in Motorola.  

John is an Adjunct Professor and the Entrepreneur-in-Residence at the Hynes Institute for Entrepreneurship & Innovation in Iona University, NY.

John holds an MBA from Cornell, an MSc in EE from Michigan, and did his undergrad in EECS in NTUA.

Functional Expertise

Product & Tech