Born in Chillan, 1949. Elementary studies in Talca. Elementary teacher since 1967 (Universidad Catolica, Talca). Math teacher (1975 Universidad Tecnica del Estado, Santiago). Teacher in elementary schools in Santiago (1968-1974). Math Teacher at Instituto Nacional (1975-1977 and 1993-1999). Math Teacher and Headmaster in Codelco's schools, El Salvador, Chile. Since 1999 Math teacher at Bradford School, Vitacura, Santiago, Chile. I like chess and teaching.