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Stefan Lewins is a seasoned Principal Technical Architect at Atos since November 2012, providing architectural direction and governance for infrastructure solutions while influencing strategy and service improvements to enhance revenue. Previously, Stefan served as Lead Infrastructure Architect at Tui Travel PLC from August 2006 to November 2012, where responsibilities included leading a major £68m business transformation program and implementing architectural processes based on TOGAF9. Stefan's career includes roles such as Requirements Manager at Capgemini, Operations Manager at Connectology Network Services Ltd, and Systems Architect at Cable & Wireless Communications. An alumnus of the University of Sussex, Stefan holds a B.Sc. Hon in Mathematics with European Studies.