Alfredo Noel Iusem (born 10 November 1949 in Buenos Aires) is an Argentine-born Brazilian mathematician working on mathematical optimization.He earned his Ph.D.
from Stanford University in 1981 under the supervision of George Bernard Dantzig.He is a recipient of Brazil's National Order of Scientific Merit in mathematics.
Since 2001 he has been a member of the Brazilian Academy of Sciences.Regina Burachik was a student of his at Instituto Nacional de Matemática Pura e Aplicada.