Mariann Marczi was born in Hungary on the 6th of February, 1977. She began learning to play the piano at the age of four and in 1991 entered the class of Marianne Ábrahám and Gábor Csalog at the Béla Bartók Conservatory in Budapest. She received her Performance Artist Diploma and Master of Music degree in 2000 at the Liszt Ferenc Academy of Music in Budapest under Professors Sándor Falvai, Péter Nagy, and András Kemenes. She continued her postgraduate studies in Berlin at the Hochschule für Musik “Hanns Eisler”. She also took part in various master classes (György Kurtág, Zoltán Kocsis, Florent Boffard, and Pierre-Laurent Aimard). She completed her studies in 2005, studying in the Doctor of Music (DLA) department under Professors Márta Gulyás and Márta Papp at the Liszt Ferenc Academy of Music in Budapest.
She has won prizes in several national and international competitions. She has played in the most important concert halls of Hungary and in almost all European countries. She has recorded for the Hungarian National Radio, Hungarian Television, Danube Television, the Austrian National Radio, and the Bavarian Radio in Munich. She regularly plays at a number of festivals ranging from the International Bartók Festival, the Szeged Chamber Music Festival, and the Zemplén Festival to the Prague-Vienna-Budapest Festival, the Centre Acanthes Festival, the pPianissimo Festival, the “Spring in Russia” Festival, and the Ziethen Music Festival.
She has collaborated with well-known conductors such as Mátyás Antal, Tamás Pál, Zoltán Peskó, László Tihanyi, Massimo Testa, Ferenc Gábor, Konstantia Gourzi, and Valerio Sannicandro.
Her chamber music partners have been the Miron Quartet, Barnabás Kelemen, Katalin Kokas, Dea Szücs, Roberta Arruda, Nándor Götz, Noémi Győri, Sophia Reuter, Ditta Rohmann, Miklós Perényi, Péter Somodari, Balázs Réti, and Judit Rajk. She has worked with contemporary music ensembles such as the Ensemble Echo Berlin and the Ensemble Wiener Collage.
Her repertiore contains solo and chamber works from the early baroque to contemporary music. Her name is associated with the first performance of some of the works in her repertoire. She regularly works together with contemporary composers such as György Kurtág, Zoltán Jeney, Gyula Csapó, Gyula Fekete, Nikolai Badinski, Ruth McGuiré, and Valerio Sannicandro. She focuses especially on music by J.S. Bach, Béla Bartók, and György Kurtág.
She received the Schönberg Prize of the Austrian Arnold Schönberg Stiftung in 2000, the DAAD Scholarship of the German State in 2001, and the Annie Fischer Performance Artist Prize and Scholarship of the Hungarian Ministry of National Cultural Inheritance in 2002.
She gives piano and chamber music masterclasses yearly at the International Crescendo Summer Institute in Sárospatak, Hungary. She is jury member of the WPTA International Piano Competition. She presented on the World Piano Conference (Novi Sad, Serbia) and the London International Piano Symposium. In 2013 she became an artist of Odradek Records. She teaches at the piano department of the Liszt Ferenc Academy of Music in Budapest.