At the time of his selection 31 years old; bachelor of science in electrical mechanics from the UNAM - Universidad Nacional Autonoma de Mexico, 1973; bachelor of science in physics from the same university, 1979; bachelor of science in biology from the same university, 1983; master of science in physics from the UNAM, 1981; Doctorate of sciences degree in physics from the UNAM, 1983; from 1977 until 1980 he worked for the Laboratorios de Rayos X y de Elipsometria; since 1980 he works for the Laboratorio de Cristalografia; Mexican candidate for STS-61B.