is a Brazilian choral conductor and music scholar with a focus on indigenous themes in Brazilian choral music. Active since at least 1981 as a choral singer and promoter, he became a conductor in 1988 and has since specialized in researching and performing works that integrate indigenous musical elements into choral compositions. His academic contributions include publications analyzing the historical and musical synthesis of indigenous themes in Brazilian choral repertoire, positioning him as a key figure in the study of ethnic influences in national choral traditions. While specific biographical details like birthdate or educational background aren't provided in available sources, his professional trajectory shows sustained leadership in choral activities and academic research affiliated with Rio de Janeiro State University (UERJ), where he maintains an academic profile. A 2023 Instagram post by artist Thom Kubli references collaboration with "Mario Asef" on a festival commission, suggesting continued curatorial activity
