He holds a first degree in Architecture (A.U.Th.), a PgD/MA in Automotive Design from the School of Art & Design, Coventry University, UK, and a PhD in the field of Industrial Design. He has been honoured a scholarship for doctoral research by the State Scholarships Foundation (IKY) and Excellence Award for doctoral research by the Research Committee of the Aristotle University of Thessaloniki. He has extensive professional experience in automotive and industrial design with Centro Stile Alfa Romeo, Jaguar Cars Ltd, TWT GmbH, Pininfarina, SVP Worldwide and EL.V.O. (Hellenic Vehicle Industry S.A.). He was Chief Designer of the concept car Aletis for EL.V.O. and Scientific Curator of the exhibition "Transport Technology" at the Science Center and Technology Museum NOESIS. He has been teaching in the School of Architecture, Faculty of Engineering, Aristotle University of Thessaloniki since 2000. He is a Member of the Hellenic Semiotics Society and Member of the Technical Chamber of Greece. He has extensive research work, and a series of publications in Scientific Journals and conference proceedings.
He has taken numerous initiatives to promote Industrial Design and Design Thinking in Greece, such as the organization and scientific cooordination of Design Workshops for Elementary Education pupils within the context of the Educational Programmes of the Macedonian Museum of Contemporary Art (M.M.C.A.). He is Scientific Coordinator of a Design Program to address unemployed people, organized by the M.M.C.A. and granted by the Stavros Niarchos Foundation.
Dr. Liamadis has been honored the Excellence Award for the academic achievements of the year 2010-11 from the Research Committee of the Aristotle University of Thessaloniki.