Emmanuel Defaÿ has been involved at CEA LETI Minatec in piezoelectric and High-K dielectrics for 15 years. He has published 70 scientific papers, one book on piezoelectrics and worked with several top level microelectronics manufacturers (IBM, Freescale, ST). He is currently a lecturer at Ecole Centrale Paris and By-Fellow of Churchill College, Cambridge University, UK.