After having studied the bassoon, and being awarded First Prize at the Paris National Superior Conservatory of Music and Dance in the bassoon class of Gilbert Audin, Pierre Walter has improved his conducting skills. At the same conservatory, he gained a degree in the orchestral conducting class of Claire Levacher and François-Xavier Roth. He also studied musical culture, musical analysis and chamber music. Pierre Walter participated in conducting mastercourses and international academies with Maestri Aldo Faldi, Salvador Mas Conde, Kirill Karabits, Wolfgang Doerner and Dejan Savic


            His operatic debut took place in 2005, with a performance of La Traviata at the Orvieto Theatre in Italy. Then he improved his operatic skills as an assistant conductor for Maestro Kirill Karabits for several opera productions.


            From October 2008 to December 2011, Pierre Walter was the chief conductor of the Paris Police Band (Musique des Gardiens de la Paix), period during which he diversified the band’s repertoire, created many performing opportunities for them, and convinced several well-known composers, such as Roger Boutry, Ida Gotkovsky, Anthony Girard, Dmitri Tchesnokov, Hao Yuan Chiu, to write music for them.


            His musical curiosity leads him to include numerous less known works and composers in his repertoire, showing also a great interest for the French music. In 2010, he made a recording devoted to Women composers (cf discography), featuring works by Lili Boulanger, Germaine Tailleferre and Ida Gotkovsky.


            Also very active as as teacher, Pierre Walter has been in charge of teaching conducting at the Strasbourg University and substituted Philippe Ferro at the conducting class of Paris Conservatory. He's also involved in conducting the educative concerts produced by the Orchestre des Concerts Pasdeloup in Paris. Recently, he has been charged to conduct a children orchestra in Mulhouse (Alsace, France), as part of the educational programm DEMOS lead by the Paris Philharmony.


            In August 2012 he conducted a production of Stravinsky's Soldier's Tale, as part of the Festival organised for the 30th season of the Orchestre Français des Jeunes, production in which he conducted, performed  the soldier's part, and furthermore staged the whole production. Since october 2012, he had been given the opportunity to assist the austrian conductor Wolfgang Doerner by the Orchestre des Concerts Pasdeloup in Paris (Mahler's second and third symphonies, Strauss's Hero's life, Bartok's Miraculous mandarin). He has also been given the oppoprtunity to assist Maestro Patrick Davin for the National Rhine Opera's (Strasburg, France) production of Benjamin Britten's Turn of the Screw.  Since 2013 he started productive and regular co-operations as guest conductor with the Orchestre des Concerts Pasdeloup in France, the State Operas Burgas (La Bohème, Madama Butterfly),  Ruse (Rigoletto, Tosca, Turandot) and Stara Zagora (Offenbach's Croquefer and Dragonette) in Bulgaria, as well as with the National Theater of Opera and Ballet Constanƫa in Romania (Il Trovatore, Nabucco). Since 2019, he also appears as principal conductor for the Opéra Montmartre Company in Paris.


            Pierre Walter was awarded the Special Prize of the University of Arts, Constanƫa, for his participation to the 3rd International Black Sea Conducting Competition in September 2014, and the 3rd Prize at the International Black Sea Opera Conducting Competition in May 2015.