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, Pierre-Laurent Aimard and Elisso Wirssaladze). She completed her studies in 2005, studying in the Doctor of Music (DLA) department under Professor Márta Gulyás at the Liszt Ferenc Academy of Music in Budapest. She received Doctor of Music degree in 2008, her thesis was György Ligeti's Piano Etudes.
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 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, Crescendo 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.
Her chamber music partners have been Márta Ábrahám, Barnabás Kelemen, Katalin Kokas, Dóra Kokas, Dea Szücs, 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. She regularly works together with contemporary composers such as György Kurtág, Zoltán Jeney, Gyula Csapó, Gyula Fekete, Máté Hollós, Nikolai Badinski, Ruth McGuiré, and Valerio Sannicandro.
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 has published several articles in Hungarian journals and at Jaffa Publisher.
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 in Novi Sad, Serbia. She presented on the World Piano Conference (Novi Sad, Serbia) and the London International Piano Symposium (RCM and Steinway Hall, London).
In 2013 she became an artist of Odradek Records.
She teaches at the piano department of the Liszt Ferenc Academy of Music in Budapest.
She lives in Budapest with her husband Gábor Mesterházi (music journalist) and two sons.