Dr. Kayri Sharif holds BSc and MSc degrees in mechanical engineering from the University of Bagdad, where his masters project work introduced him to the field of tribology. He was awarded a PhD by Cardiff University for research in dynamic performance of machine tool spindle bearing systems. He is a member of the IMechE (Institution of Mechanical Engineers) and a chartered engineer. Currently he is a senior research associate at the Cardiff School of Engineering where he is a member of the tribology and contact mechanics research group. Sharif has worked extensively on software development for modelling EHL contacts in machine elements of various kinds, and has authored 37 technical papers addressing issues in tribology and machine dynamics.