Dr. Prieto is the current Section Chief of Pediatric Urology at Children’s Hospital of San Antonio and holds the position of Clinical Assistant Professor for the Urology Department at the University of Texas Health Science Center at San Antonio. He works primarily at Children’s Hospital of San Antonio and Methodist Children’s Hospital in San Antonio, Texas. Currently, Dr. Prieto is serving as the Vice-president of the Iberoamerican Society for Pediatric Urology and has been elected to be the President of this organization in 2018.