Agustin holds a PhD in Biological Sciences from the University of Buenos Aires and works at the Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” in the Ornithology Division. His doctoral research focused on the speciation process in Neotropical birds using an integrative approach that includes genetic, genomic, and phenotypic analyses. He primarily uses the genus Spinus (family Fringillidae) as his study model.