Raphaëm Duchateau joins Douai Conservatory in 1998 and the Ecole Nationale de Danse de Montreuil in Eric Aubier's class in 2001. He then studies at Paris CNSM in Clément Garrec's class and obtain in 2006 a price for chamber music and trumpet.
He joins the Orchestre Francais des Jeune from 2002 to 2003 where he works with Emmanuel Krivine. He can also be heard in the
Orchestre National des Pays de la Loire, Picardie and Lille.
Since 2005 he is a member of Multilatérale. He has collaborated to numerous recording of Jacques Lenot (Et il regardait le vent, Reliquien) and created "D’autres murmures" from the same composer at Wagner Festival in Genèva in 2013.