Matzuwa Oscar comes from the Yoreme people of Sinaloa, Mexico. He has been a pilgrim of Wirikuta desert for over 16 years, learning within the Wixarika tradition. He has taken the sacred oath as a marakame (spiritual guide) in Wirikuta as well as different spiritual initiations and vision quests which also granted him the fire to run Inipis (Sweat Lodges). Matzuwa is a traditional singer and musician, a member of the Native American church and also a carrier of the Half Moon Altar. Oscar is also an anthropologist specialized in traditional medicine, he wrote his thesis on the traditional and medicinal uses of Peyote. He is a founding member of cultural association Raíces del Corazón de la Tierra, in both Mexico and Catalunya, Spain.