Mohammed M. Bettahar held his PhD degree in Physical Chemistry in Paris. He worked for the French CNRS as Attaché de Recherche in Paris and Research Director in Caen. He pursued his career as Full Professor in Algiers then in Nancy. He is Professor Emeritius in Lorraine University since 2015. Main research topics are related to Nanomaterials and Catalysis (Selective Hydrogenation or Oxidation, CO2 or CH4 transformations, Hydrogen Storage). Currently his research focuses on Nanomaterials for biofuels and biochemicals fabrication.