Teresa Díaz de Cossio's creative work develops as a flutist whose practice focuses on new music, improvisation, and creation with electronic media. Actively playing with in^set. She has participated with figures such as Placido Domingo and Los Tigres del Norte in ensembles such as De Coda, affiliated with Carnegie Hall, and spaces such as The Banff Center and Darmstadt Summer Institute. In research, her current work is focused on documenting the life and work of Alida Vázquez Ayala. She has participated in conferences at Columbia University, published in Radical Sounds in Germany and the International Musicological Society in Greece. A current fellow at the International Institute to continue her research on the life and work of Alida Vázquez. Teresa was selected as part of the first class in the Future of Music Faculty Fellowship from the Cleveland Institute of Music and the Sphinx Foundation (2021–2). Another integral part of Teresa's work is creating and promoting creative, collaborative spaces. She co-produced and co-directed the New Music Festival, Ensenada, an open space for all interested. She has been invited to be part of the Open Space committee in Berlin, Germany, and in the Curating Diversity program in association with Sounds Now in Finland.