Carlos Gustavo Tamm de Araújo Moreira (born 8 February 1973) is a Brazilian mathematician working on dynamical systems, ergodic theory, number theory and combinatorics.
Moreira is currently a researcher at the Instituto Nacional de Matemática Pura e Aplicada (IMPA), where he goes by the nickname "Gugu".
In October 2016, he achieved the mark of 5000 goals scored in his amateur football career.
Moreira obtained his Ph.D. from IMPA under the supervision of Jacob Palis in 1993, at the age of 20.
[4] He was an invited speaker at the International Congress of Mathematicians of 2014 in Seoul, South Korea,[5][6] and a plenary speaker at the 2018 International Congress of Mathematicians in Rio de Janeiro, Brazil.