Santiago Motorizado (Santiago Ariel Barrionuevo) is the leader, bassist, singer and songwriter of the influential Argentine indie rock band El Mató a un Policía Motorizado, formed in La Plata in 2003 and recognized as a key force in Latin American alternative rock. Alongside his work with the band, he also pursues a solo career, releasing his acclaimed debut album El Retorno in 2025, and composes soundtracks for audiovisual productions such as the series Okupas.