Paulo Mateus received the Doctorate degree in mathematics. He was a Postdoctoral Researcher with the University of Pennsylvania. He is currently a Professor with the Mathematics Department, Instituto Superior Técnico, and a Researcher with the Instituto de Telecomunicações. In 2006, he founded and presently coordinates the Security and Quantum Information Group. He is the author and coauthor of more than 50 peer-reviewed international journal publications in mathematics. His current research interests include quantum resources for security and communication. Dr. Mateus has coordinated several national and international projects and has been a Guest Editor of Logic Journal of the IGPL, IEEE Communications, and part of the program committee of several workshop and conferences. He was invited by the Hungarian (OTKA), Czech (GACR) Science Foundations, and by the Israeli Ministry of Science and Technology, to be a member of the evaluation board for their national projects and postdoctoral fellowship. He was a member of the Managing Board of the European Network and Information Security Agency, the Vice-President of the Centro Internacional de Matemática, and a Consultant for the Portuguese National Security Agency. He was awarded the IBM Scientific Prize, Portugal, in 2005, for his Habilitation thesis.