Uruguayan musician, writer, and researcher based in Chile. Specialized in the intersection of music and poetry from different perspectives and in different spaces, in which collective work has always had a central role. He is a founding member of the Orquesta de Poetas and the Festival Poesía y Música PM. He maintains musical projects with the sound poets Pía Sommer and Luis Bravo. Eisner has dedicated himself to researching works such as Alturas de Machu Picchu by Los Jaivas/Neruda for his Master’s thesis in Musicology (U Chile), and to artistic research on the collaboration between sound poetry and music through vocal practices for his PhD in Arts/Music (UC Chile). He studied electric bass and piano and was part of various bands such as Gavana, Takatrio, Tecla Negra, and Marcela Parra Banda in Chile, and Fotogramas Trío in Uruguay. He has published poetry, fiction, and academic books, as well as articles in specialized journals. He holds a degree in chemistry, and thanks to this, he has worked in the field of conservation and restoration of cultural heritage.