Marianne Piketty gives her first concert as soloist at the Salle Pleyel of Paris at the age of 7. She enters first nominated at the Paris CNSMD - Conservatoire National Supérieur de Musique et de Danse - at 13 years old and obtains the First Prizes of violin and music chamber in Pierre Doukan and Jean Hubeau's classes. She meets Dorothy Delay and follows her teaching at the Juilliard School in New York as she is also regularly playing in masterclasses for Itzhak Perlman. She wins the « Artists International » Contest and makes her beginning at the Carnegie Hall Recital.

Back in France, she wins the First Prize of the Bordeaux young soloists Contest as well as the SACEM Prize and becomes prizewinner of the Colburn Foundation and of the « Action Musicale Phillip Morris ». She meets Yehudi Menuhin who invites her to interpret the Brahms concerto under his direction and to became one of the soloist of his foundation.

Marianne Piketti is at that time regularly invited to perform in famous concert halls and festivals: Salle Pleyel, the Champs-Elysées theater, Salle Gaveau, the International Festival of Istanbul, Radio-France and Montpellier Festivals, the « Orangerie de Sceaux » festival, Flâneries Musicales (Reims), Chopin Festival, Nancyphonies...

She plays as a soloist with the National Orchestra of Lille, the Concerts Lamoureux Orchestra, Concerts Pasdeloup Orchestra, the National Orchestra of Saint Petersbourg, the Sinfonia of Manchester, the « Simon Bolivia » Symphonic Orchestra (Caracas)... She is on the front page of norvegian newspapers during her recital and soloist tour with the Stavanger Orchestra. In Kiev, she creates the violin concerto of Renaud Gagneux playing with the National Orchestra of Ukraine Philarmony.

Marianne Piketty develops an intensive activity as a chambrist. She created the « Solistes de la Villedieu » where she is accompanied by talented french soloists: Paul Meyer, Eric Le Sage, Laurent Verney, Xavier Phillips. She also plays with Pascal Amoyel, Emmanuelle Bertrand, Juliette Hurel, Pierre-Olivier et Jean-Guihen Queyras, Antje Weithaas...

Marianne Piketty performed several times in France and in USA the complete of the Six Sonatas for solo violin composed by Eugène Ysaÿe. Her recording for Maguelone is unanimously acclaimed by journalists as well as her second record of Lekeu and Pierné sonatas recorded with the pianist Laurent Cabasso. Her eclectic tastes brings her to create an original duet with the accordionist Pascal Contet which repertory goes from Bach to Piazzolla but is also composed of Bernard Cavanna, Graciane Finzi, Renaud Gagneux and Laurent Mettraux creations.

This season, Marianne Piketty appears in many radio shows on France-Musique, she is invited to Musicora Festival (Paris) and to the first edition of the « Festival des violons de la paix » (Boulogne sur Mer). Artistic director of the « Musicales de l'Abbaye d'Auberive », she performed in many music chamber concerts and as a soloist with Marc Coppey during the double Brahms concerto.

Marianne Piketty is teaching at the Lyon CNSMD.