Marzena Diakun first came to international prominence when she stood in for Mikko Franck in a series of concerts with the Orchestre Philharmonique de Radio France broadcast by French radio and medici.tv. She proved her mastery by being the first Pole to come away with the “Silver Baton”, i.e. Second Prize in the 9th International Grzegorz Fitelberg Competition in Katowice (2012). She also won Second Prize in the prestigious 59th Conducting Competition organized as part of the Prague Spring Festival (2007), and was a finalist of the Witold Lutosławski International Contest for Young Conductors in Białystok (2006) and a semi-finalist of the Cadaqués Competition in Barcelona and the Donatella Flick Competition in London (2008).
She attended and graduated from the Grażyna Bacewicz Secondary School of Music in Koszalin, and in 2005 graduated with distinction in symphony and operatic conducting from the Karol Lipiński Academy of Music in Wrocław, where she studied in the class of Mieczysław Gawroński. In 2006, she completed the postgraduate programme under the tutelage of Uroš Lajovic at the Universität für Musik und darstellende Kunst in Vienna.
Marzena Diakun made her debut in 2002 as a second-year student conducting the final concert of the 17th International Percussion Music Festival with the Koszalin Philharmonic. She honed her skills in international master classes under Colin Metters, Howard Griffiths, and David Zinman, as well as Pierre Boulez and Kurt Masur.
In 2012 she was an assistant to Richard Rosenberg during the National Music Festival in Chestertown (USA) and conducted a series of concerts with the festival orchestra. In 2015 she received a scholarship from the Boston Symphony Orchestra to finance her internship as an assistant conductor at the Tanglewood Music Festival in the USA. The artist has collaborated as a guest conductor with, among others, the Czech Radio Orchestra in Prague, the Orchestre Philharmonique de Radio France, the Orchestre National de Lyon, the Orquestra Sinfônica do Estado de São Paulo, the Bournemouth Symphony Orchestra, the Liverpool Philharmonic, the Nordiskakammarorkestern, the Orquesta Sinfónica del Principado de Asturias, the Göteborg Opera, the Jenaer Philharmonie, the Polish National Radio Symphony Orchestra and others.
In 2017 she received the title of habilitated doctor.
In 2016 she was awarded a “Paszpot Polityki” in the “classical music” category.