Pierre Dumoussaud trained as a conductor at the Conservatoire National Supérieur de Paris and was awarded first prize in the Adami Competition ‘Talents Chefs d’Orchestre’. He won the 2022 "Conductor" Award at Les Victoires de la Musique Classique.
Between 2014 and 2016, he was assistant conductor of the Orchestre National Bordeaux Aquitaine, with which he conducted Don Carlo, Semiramide, The Turn of the Screw, Lucia di Lammermoor, Werther and the ballets Romeo and Juliet and Giselle.
He has also appeared at the opera houses of Rouen (Madama Butterfly), Montpellier (Fantasio), Angers/Nantes and Rennes (Hamlet) and recently made his debut at the Opéra de Lausanne (La Belle Hélène), the Bayerische Staatsoper (Mignon), the Greek National Opera (Lucia di Lammermoor)and the Opéra National de Paris (the ballet Hommage à Roland Petit). He is invited as guest conductor by the Orchestre National d’Auvergne, Orchestre National du Capitole de Toulouse, Real Filharmonía de Galicia, Orchestre National de Lille and Orchestre de Chambre de Lausanne, among others. His recordings include André Messager’s Les P’tites Michu (with the Orchestre National des Pays de la Loire and the Compagnie Les Brigands) and an album devoted to the composer Olivier Breif (1950-2000) for the B Records label.
In 2017 he won the International Competition for Opera Conductors organised by the Opéra Royal de Wallonie.