Chemical engineering educator, researcher, administrator. Fellow of the Royal Society of Arts (FRSA). Chartered Engineer (CEng), Fellow of the Institution of Chemical Engineering (FIChE). Professor, University of Greenwich, London, 1983-86. Professor, National Technical University of Athens (NTUA), 1985-2011.Professor Emeritus, NTUA, 2011-. Head of School of Chemical Engineering, NTUA. Rector of National Technical University of Athens, 1991-1994 and 1994-1997. Senior Visitor, Department of Applied Mathematics and Theoretical Physics, University of Cambridge, 2002-.2003. Bye-Fellow, Applied Mathematics, Selwyn College, University of Cambridge, 2002-.2003. Visiting Professor University of Surrey, 2001-2011. Visiting Professor University of Texas A&M, 2016- . Recipient Certificate of Recognition Inventions Council NASA, 1980, for “the development of creative technology with serious impact on aerospace science and implications for society”, Best Scientific Paper award (Empirikion Price) 1994, others. Awarded a Doctorate Degree Honoris Causa from the Institute of Chemical Technology and Metallurgy Sofia, Bulgaria, 1996. Co-editor Journal Applied Mathematical Modeling, 1985 – . Author 4 books, over 400 scientific papers in field, over 320 presentations at International Conferences. Over 8200 citations, h-factor 44, i10-index 136.