After obtaining Master degree of piano at the University of Osaka, the Japanese pianist Nao Momitani continued specialization in Europe, especially with masters such as Diane Andersen and Kornelia Ogorkowna. Having chosen Belgium as a place of residence, she successively obtained the first prize for piano, Chamber Music and accompaniment at the Royal Conservatory of Liege, and a Masters in piano a the Graduate School of Arts - Royal Conservatory of Mons. She is also the recipient of several international competitions, including the International Competition Kobe (Japan), the Chopin Competition (Texas, USA )and "Classical Discoveries of the Euroregion" Contest (France).

Since then, she has participated in numerous concerts as a soloist - including concerts with the Royal Chamber Orchestra of Wallonie, the Ensemble Musiques Nouvelles, both with the Liège Philharmonic and Chamber Orchestra (concerts in Japan, the United States, France, Belgium and Spain, -especially in the international set: Spain-Belgium-France-Japan - Semaphone) and shows a special interest in the music of our time, in which she is established as an artist who participate and premiers new creations. She is actif with Laps Ensemble, ensemble that works with combining acoustic and electronic production of sound.
Wife of composer Claude Ledoux, she participated in the first of a major piano works of this composer, parts of which are dedicated to her especially.
She recorded some CDs of labels Cyprès, Sub Rosa, Wallonie Bruxelles Musique and OSTINATO.
She is currently preparing recordings of original contemporary solo piano works.

In recent years she shows her originality by offering original programming of mixed music (piano and electronics - Festival Sound Images / New Music Festival-Mons / Brussels-Loop Festival...) and also towards a scenic setting for research Hours of Operation value of gesture-music. For the Ars Musica Festival, she presented a recital where original music is confronted with Martial Arts (practice sword) and video. The performance of production "Piano, movements of the orient... confined to sound, water, light and saber", under the direction of designer Anne Englbert, was successfully created.
At the present time, she teaches at l’Académie de Saint-Nicolas (Liège) Belgium.