Carlos Pereira dos Santos has undergraduate, MSc and PhD degrees in mathematics from the University of Lisbon and he is currently researcher of the Center for Mathematics and Applications (NovaMath), FCT NOVA and professor at ISCTE – University Institute of Lisbon.

He researches in the field of Combinatorial Game Theory, stresses the PhD under the guidance of Richard Nowakowski from Dalhousie University, world's top expert on that topic. He published several papers in international journals and presented at major conferences devoted to the subject.

About popularization of mathematics, he published the book «Mathematics from The Da Vinci Code», co-authored with Luis Tirapicos and Nuno Crato, he participated in the projects «Games with History» and «Games from Around the World» (Visão/Público) with João Pedro Neto and Jorge Nuno Silva. For 10 years, he was Vice-President of the Ludus Association, one of the most relevant Portuguese institutions dedicated to recreational mathematics. He has been member of scientific committees of pioneering projects such as the «Portuguese Championship of Mathematical Games» and the «Recreational Mathematics Colloquia». He was managing editor of the Recreational Mathematics Magazine.

About Mathematics Education in Portugal, he teaches and researches subjects related to elementary mathematics. Also noteworthy is the fact that, for three years, he has made the management of the Training Centre for Teachers of the Portuguese Mathematics Society and, after, he was the director of the Training Centre for Teachers of the Ludus Association. He organized and developed dozens of courses on various topics. Carlos Santos is a big fan of the Singapore Math, and he was managing editor of the Jornal das Primeiras Matemáticas.

Regarding hobbies, Carlos Santos is International Chess Master. He was the Portuguese Champion in 1998 and 2000 and he was 5th in the under-18 World Championship in 1989.