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Triantafillos Karayiannis is an experienced IT professional currently serving as the Vertical Solutions Product Owner - Digital Systems and IT Consultant at Hellenic Train S.A. since April 2010. Prior roles include IT Advisor to the CEO at TRAINOSE S.A., where Triantafillos was instrumental in establishing the company's IT services and infrastructures, as well as designing and building core business software solutions. Earlier experience includes work as a Software Engineer at Systems Optimization Laboratory, contributing to web-based tools for transportation and crisis management, and at Infineon Technologies AG, where Triantafillos developed tools for a Java-based VHDL-AMS environment. A background in graphic design as Chief Graphics Designer at SnsDesigns.com further complements Triantafillos's diverse skill set. Triantafillos holds an MSc in Distributed Systems & Networks and a BSc Hons in Computer Science from the University of Kent, along with studies at the University of York.