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John joined Propylon in 2005 and served as Chief Operations Officer for a number of years before his appointment as CEO. John has successfully led product and project development to establish Propylon as a global market leader. John is a director of the company and sits on the board.

Before joining Propylon, John worked in the telecoms industry delivering global revenue generation and billing platforms across a number of telecoms operators in the US and Europe. He holds an honors degree in business information technology from Trinity College Dublin.