Jose Luis Alonso was born in Mexico City, Mexico, on November 17, 1958. He married Rebecca Salazar in February 1981. They are the parents of two children.
Since joining the Church in 1974, he has served in a number of Church callings, including full-time missionary in the México Hermosillo Mission, counselor in a bishopric, bishop, stake mission president, stake president, counselor in a mission presidency, and president of the México Tijuana Mission (2002–2005).At the time of his call, he had been serving as a member of the Fourth Quorum of the Seventy in the México Area.
He received a medical degree as a homeopathic physician and surgeon in 1986. Then in 1991, after attending the National Institute of Pediatrics, he received a degree in pediatric development.
Elder Alonso has served as a member of the Central America and Caribbean Area Presidencies. He is currently serving in the North America Southwest Area Presidency.
He has worked with the Red Cross Emergency Unit, the San Francisco Medical Clinic, and the Church Educational System as an area director.