Mohamed M. Chehimi is the Research Director at French CNRS. He obtained a PhD in Physical Organic Chemistry at the University Paris Diderot in 1988, and joined CNRS in 1989 for a permanent researcher position. He has been promoted Research Director Grade 1 (DR1) in 2011. His research topics include the design of reactive and functional polymer and nanocomposite coatings. In the recent years he has spent time and effort developing aryldiazonium salts as new coupling agents in materials science. The applications encompass adsorbents, electrochemical sensors, fillers, antibacterial surfaces and electronic devices. He is also a specialist of XPS analysis of a broad range of materials including polymer composites. He has published over 250 research papers and 20 book chapters. He is the editor of three books and guest-edited three themed issues. He has supervised over 20 PhD theses and collaborated with academic researchers from 15 countries.