Alfredo Pironti was born in Napoli, Italy in 1966. He received the Laurea degree cum Laude in Electronic Engineering, and the PhD in Electronic and Computing Engineering from the University of Naples Federico II in 1991 and 1995, respectively. Since 1991 he is with the Dipartimento di Informatica e Sistemistica of the University of Naples, where he currently is Associate Professor of System Theory. He has spent several periods as visiting researcher at the Max Planck Institute for Plasma Physics in Garching (Germany), the Center for Control Engineering and Computation (University of California at Santa Barbara), and at the ITER Joint Work Site of Naka (Japan). His research interests include robust control of uncertain systems, and the application of feedback control to nuclear fusion problems. He was guest-editor of the October 2005 issue of IEEE Control Systems Magazine, a special issue dedicated to the control of tokamak plasmas. Marco Ariola is an Associate Professor at the University of Naples Parthenope in the Technology Department. From September 1998 to February 1999, he was a Visiting Scholar with the Department of Electrical and Computer Engineering of University of New Mexico, Albuquerque, NM, USA. His research interests include statistical control, robust control, control of communication networks, control of nuclear fusion devices, control of aerospace systems. He was a member of the International Program Committee of the 42nd IEEE Conference on Decision and Control held in December 2003. He has published about 90 journal papers, conference papers, articles in books and encyclopedias.