Joao Bessa Sousa is Professor at the Department of Physics and Astronomy, University of Porto, Portugal, His research activity focuses on micro and nanotechnologies, particularly spintronics and their applications in magneto-optical and self-organization at the nanometer level. He has published over 260 articles in peer-reviewed international journals. In 2004, he was made Commander of the Order of the Sword Sant`Iago, one of Portugal's highest civil honors. In 2005 he was awarded the Prize for Scientific Excellence by the Foundation for Science and Technology.