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Donnchadh O'Leary is the Head of External Communications at CRH, the world's leading building materials business, since June 2015, overseeing global communications across diverse construction projects. Prior to this role, Donnchadh worked at Edelman from September 2003 to June 2015, where responsibilities progressed from Account Executive to Associate Director, focusing on client counsel, strategy, business development, and media training. Donnchadh holds a Bachelor of Arts in Public Administration, Political Science and Government from the University of Limerick and a Postgraduate Diploma in Public Relations, Communication and Media Studies from the Fitzwilliam Institute.