John T. Karantonis

President at RealBlock

Mr. Karantonis has held executive, sales and product roles for marketing technology, omni-channel media, enterprise data network services and mobile commerce/payments initiatives. Previously, John was a cofounder and chief strategy officer at Akoo International, Inc. (acquired by RMG Networks) where he helped build a leading location media network and mobile-to-TV marketing services platform reaching 44 million shoppers per month (Nielsen), on behalf of several of the world’s top “blue-chip” advertisers. Mr. Karantonis was one of the inventors of the company’s interactive and distributed platform and received multiple patents in the U.S., China, Japan, Russia, Australia, Mexico and Israel, for his work. Additional patents are pending in the U.S. and worldwide. Mr. Karantonis received dual B.S. and B.A. degrees from Loyola University Chicago.

Timeline

  • President

    Current role

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