Since 2016, Stefan has performed improvised and composed live electronics. He has performed at Ultima Festival, Forecast Festival, Vancouver New Music, Kunsthal Aarhus, The Hopkins Centre for the Arts, and countless DIY spaces and basements, among others. He has performed with Ragnhild May, Jennifer Walshe, Okkyung Lee, John Driscol, Michelle Lou, Alexi Baris, Zach Rowden, and Jean Brazeau, sharing bills with the Arditti String Quartet, Morton Subotnik, Peter Rehberg, and Eli Keszler, among many others.