Jean Claude Kieffer is a full professor at Institut national de la recherche scientifique (INRS), in Varennes, Quebec. He has held the Canada Research Chair (Tier I) in Ultrafast Photonics applied to complex systems since 2002. He has been the principal investigator and the director (2002-2006) of the Advanced Laser Light Source (ALLS) national facility installed in Varennes and the Director of INRS Energy-Material-Telecommunication center (INRS-EMT) from 2006 to 2011. Jean-Claude has been deeply engaged in the scientific community for more than twenty years through NSERC, the CRC program, ACFAS, AERES/CNRS (France) and is member/chair of several scientific advisory international panels. He is currently member of the board of the Canadian Light Source and he is the Science & Technology advisor for laser & optics of the President of the Aquitaine Region Council. His research interests include plasma physics, ultrafast lasers, ultrafast and high intensity laser-matter interaction, ultrafast x-ray sources and their applications to Health Science, dynamic imaging of complex systems, particle acceleration. His general goal remains to bring systems based on Ultrafast high power laser technology into the world for users. He has an H number of 47 and 8918 citations (4375 since 2009).