Koko began his career on 1996 being the lead man and songwriter of the Chilean band Glup! until 2002. After the split off of Glup!, Koko participated on the soundtracks of En la Cama, Cesante and Los Debutantes. Along with Cristian Heyne formed the successful pop groups Supernova, Amango, CRZ, Kel, Six Pack, Stereo 3, Denise Rosenthal and Guffi. In 2006 formed part of the creation of the first virtual band Frijoles along with Luis Tata Bigorra (former Los Tetas) and Chico Claudio.