Dimitri Lefebvre is graduated from the Ecole Centrale of Lille (France) in 1992. He received the Ph.D. degree in Automatic Control and Computer Science from University of Sciences and Technologies, Lille in 1994, and the HAB. degree from University of Franche Comté, Belfort, France in 2000. Since 2001 he is Professor at Institut of Technology and Faculty of Sciences, University Le Havre, France. He is with the G.R.E.A.H. (Electric and Automatic Engineering Research Group). His current research interests include learning processes, adaptive control, fault detection and diagnosis and applications to electrical engineering.