Constantino Tsallis is emeritus researcher at the Centro Brasileiro de Pesquisas Fisicas, founder of the National Institute of Science and Technology for Complex Systems, and external professor at the Santa Fe Institute. He holds a doctorat d’État des Sciences Physiques from the University of Paris-Orsay. He is doctor honoris causa from various universities in Latin America and Europe, member of the Brazilian Academy of Sciences, Mexico Prize laureate, and holds the Aristion from the Academy of Athens. He has supervised over forty PhD and master theses, and delivered over one thousand of invited lectures around the world.