After graduating from the "master of sound", reuben was honored to be given a job as a very famous Mexican band, "the lothess". Hired as an audio assistant and former home mix assistant. Within six months, Ruben was before House Mixer, the band's 1994 U.S. tour. In 1995, Ruben became the predecessor of the global house mixer, as well as technical director. In 1996, Ruben began to receive the house requirements of many international artists and continued to work with many international artists.