Mariano Chiacchiarini won First Prize at the Teatro Colón "J. Martini" Conducting Competition in Argentina at the age of 25, and his subsequent international career has included collaborations with many of today’s leading conductors. He has worked with many orchestras including the Tonhalle Orchestra Zurich, Lucerne Festival Academy, Orchestra della Svizzera Italiana, Russian State Orchestra, Orchestre Philharmonique de Radio France, Orchestre National de Lyon, Royal Flemish Philharmonic, Deutsche Radio Philharmonie Saarbrücken Kaiserslautern, WDR Symphony Orchestra Cologne and Ensemble Modern. He has been invited to participate in major festivals and at leading concert halls including the Lucerne Festival, Schleswig-Holstein Music Festival, Young Euro Classic, Donaueschingen Music Festival, the Elbphilharmonie, Konzerthaus Berlin, the Tchaikovsky Hall in Moscow and l’Opéra Bastille. His concert in China was chosen as Event of the Year and broadcast live worldwide.
Since 2010 Chiacchiarini has served as Music Director of Trier University, and since 2009 has been Conductor of Ensemble Garage. In 2011 he was named Music Director of Orchester’91 in Hamburg and since 2014 has been one of the Principal Guest Conductors of the National Symphony in Argentina. In 2013 he began his collaboration with the Lucerne Festival Academy Orchestra. In 2018 he was winner of the German Music Award (ex ECHO Music Prize), the KONEX Prize in Music and was selected as a member of the German Music Council.