Ricardo López-Ruiz, MS, PhD, works as an associate professor in the Department of Computer Science and Systems Engineering, University of Zaragoza, Spain. He also serves as a researcher in Complex Systems at the School of Mathematics, University of Zaragoza. He also worked as a lecturer in the University of Navarra, the Public University of Navarra, and the UNED of Calatayud. He completed his postdoc with Prof. Yves Pomeau at the École Normale Supérieure of Paris and with Prof. Gabriel Mindlin at the University of Buenos Aires. He has published over one hundred papers in journals, proceedings and books and he has presented about thirty talks at various meetings and conferences. His areas of interest include statistical complexity and nonlinear models, chaotic maps and applications, multiagent systems, and econo-physics.