Earning his M.D. degree from the University of Chile in 1962, Rubinstein completed a surgical residency at Hospital Clínico José Joaquín Aguirre in Chile and completed a fellowship at M.I.
After graduating with an M.D. from the University of Chile in 1962, Rubinstein completed his surgical training at Hospital Clínico José Joaquín Aguirre in Chile and pursued further specialized education at M.I.