Emmanuel Defaÿ is a Senior Researcher at CEA-LETI Minatec in Grenoble, France and currently gives seminars at INPG Grenoble, Ecole Centrale Lille and Lyon and is a lecturer at Ecole Centrale Paris covering new materials. He has been involved in the field of piezoelectric microsystems for more than 15 years. His activities are shared between academic and industrial projects. He has published more than 50 scientific papers and worked with several of the top microsystem and microelectronic manufacturers (IBM, Freescale, ST).