Born in 1972 in Zarka/Jordan, lives in Germany.
He studied philosophy and music composition in Belgium, Jordan, Israel and Great Britain. His teachers were Menachem Zur, Ari Ben-Shabtai and George Benjamin. Haddad took part in master classes by Louis Andriessen, Helmut Lachenmann and Pascal Dusapin.
Haddad was awarded several prizes and was composer-in-association with the Birmingham Contemporary Music Group in 2004/2005. He also held lectures at the Jordan Academy of Music (2001/2002) and has been a guest lecturer at many European universities.
He has produced compositions in commission for the Republic in France as well as for renowned ensembles and festivals such as the Donaueschinger Musiktage, Symphonic Orchestra of Lucerne, Morgenland Festspiel, Ensemble Modern, and the Neue Vocalsolisten.
His works are regularly performed by leading international ensembles such as the Arditti Quartett, London Sinfonietta, Birmingham Contemporary Music Group, Atlas Ensemble, Philharmonia Orchestra, and the Nieuw Ensemble.