Born in 1974 in Hagen/Germany.
He studied in Essen (Folkwang), San Diego, and Stanford. His work is influenced by Nicolaus A. Huber and Brian Ferneyhough and his stay in California (1999-2003). In Stanford he held courses on the music of Beethoven. He also taught composition and music history after 1945 as an assistant of Brian Ferneyhough. Since 2003 Koch works in Germany and since 2006 he lives in Düsseldorf.
Koch was invited to numerous forums and festivals, including Voix Nouvelles in Royaumont (1997); Newcomer Forum of the Ensemble Modern (1998); »Musik im 20. Jahrhundert«, Saarbrücken (1998); ICMC 2000 Berlin; Expo2000 Hannover; two days and nights of contemporary music, Odessa (2004); Lyon Biennale musique en scène (2004); World Music Days, Luzern (2004); Eclat (2005); Torino Triennale (2005); Gaudeamus Music Week, Amsterdam (2005); Ultraschall (2007); musica viva (2008).
In 2007 he was composer in residence at the »Rencontres Musicales de Haute Provence«. His pieces and portraits were broadcasted by radio stations, e. g. »Deutsche Komponisten in den USA« (»German composers in the USA«), (summer 2003); »Wider den guten Ton der neuen Musik« (»Contra the ›right note‹ of New Music«), a portrait by Hanno Ehrler (March 2005), and »Die Überwindung des großen Klaffens – der Komponist Sven-Ingo Koch« (»Overcoming of the big gap – the composer Sven-Ingo Koch«), (Oktober 2006).
He worked together with numerous ensembles and musicians, including Musikfabrik NRW, Schlagquartett Köln, Ensemble SurPlus, Neue Vocalsolisten, Jean-Guihen Queyras, Pascal Gallois, Peter Veale, Carin Levine, Chen Halevi, and James Avery.
Koch was awarded several prizes, amongst others the Folkwangpreis in 1999, Cynet Art Honorary Mention in 2001, Composition Prize of Stuttgart in 2003, Music Promotion Prize of Düsseldorf in 2006, and was honored, for example, by the Elisabeth-Schneider-Stiftung (2005). Furthermore Sven-Ingo Koch received numerous fellowships and residencies by the German Academic Exchange Service (DAAD) (1999-2000), Akademie der Künste Berlin (2000 and 2002), Stanford University (2000-2003), at GRAME, Lyon (2003), Heinrich-Strobel-Stiftung of the SWR in 2004, Künstlerhof Schreyahn (2005) and in 2008 a residence at the Deutschen Studienzentrum Venedig.
Sven-Ingo Koch has published on CD, including a portrait CD with »Edition Zeitgenössische Musik« (WERGO) of the Deutscher Musikrat in 2007/2008.