Professor Mathieu Pétrissans is an Exceptional National Class Professor at the University of Lorraine, France. He served as Vice-President of Research at Nancy 2 University (from 2010 to 2012, 19000 Students), and then as Research Officer in charge of the Cluster of Excellence. He is currently the coordinator of the "Scientific Counseling Committee" in Lorraine (France, 2500 researchers), Dean of the Technological Institute of Epinal (450 Students) and President of the Scientific Council of the « Cluster of Excellence ARBRE » (Forest under climate changing). He's an international expert of biomass and wood thermal behavior, focusing on the thermal treatment of biomass. His main scientific achievements are the demonstration of the connection between the severity of the treatment and the inhibition of fungi attack, and also the description of the thermodegradation chemical pathways of wood biopolymers. These results have been integrated in a tow-step kinetics model. He has published over 200 papers in international peer-reviewed journals. He is the editorial member of the journal Wood Material Science and Engineering. He currently has 3138 citations with an h-index of 27. For his career accomplishments, he received the "Medal of knight in the order of the academic palms" by the French Minister of Education and Research.