As someone born from a lineage of shamans, he was compelled to share the philosophy he inherited from his ancestors. In 1986, Miguel made the decision to leave medicine and emigrate to San Diego, California.
After performing his Social Service, he received the title of Surgeon and started practicing neurosurgery in Tijuana, B.C., with his older brother Carlos Ruiz. In 1979, he completed his undergraduate internship. He then went on to study Medicine at the National Autonomous University of Mexico. He attended primary and secondary school in Tijuana, and received his baccalaureate in Mexico City.
Although his family was very poor, Miguel benefitted from a good education. He is the youngest of eleven brothers and two sisters. Miguel Ruiz was born in Tijuana, Baja California, Mexico, on August 27, 1952.