Reviewers have described his music as "…glitchy… keening… scrabbling… contemplative" (New York Times), "kaleidoscopic" (Washington Post), "…Powerful…" (Neue Zürcher Zeitung), and have praised its "shimmering electronic textures" (Village Voice.) Geers studied composition and computer music at Columbia University with Tristan Murail, Fred Lerdahl, Brad Garton, and Jonathan D. Kramer. Recent works include Inanna, a 90-minute multimedia theater piece (2009, Zürich); an opera, Calling (2008, New York); Sweep, written for the Princeton University Laptop Orchestra (2008, Chicago); and a violin concerto, Laugh Perfumes (2006, Ljubljana). He is an Associate Professor of Music Composition at the City University of New York Graduate Center and the Brooklyn College Conservatory, where he is Director of the Center for Computer Music.