Cornelius During was born into a family of musicians in Bielefeld and received his first lessons on the violin at the age of five, later on the viola. This was followed by admission to the Deutsche Streicherphilharmonie, school education at the C.-Ph.-E.-Bach Music High School in Berlin and studies in orchestral conducting/viola at the Franz Liszt Academy of Music in Weimar. His training by Nicolás Pasquet, Martin Hoff and Anthony Bramall was completed by lessons and master classes with Gunter Kahlert, Tomás Koutnik, Morten Wensberg, Tim Redmond, Mark Heron and Jorma Panula.


The award winner of the 2nd Atlantic Coast International Conducting Competition 2016 has been guest conducor of the Jena Philharmonic, the Philharmonie Baden-Baden, the Berlin Symphony Orchestra, the Loh-Orchester Sondershausen, the Philharmonie Teplice and the MDR Symphony Orchestra Leipzig. He has also been musical assistent at the Leipzig Opera, the Teatro Lirico di Cagliari, the Kiel Theatre and the Dresden Semperoper.

Cornelius During's repertoire spans several genres. He feels equally at home in classical music from Bach to Shostakovich as in light music or in crossover productions. He conducted the world premiere of Shir-Ran Yinon's Headbanging Symphony and led the Sinfonia Leipzig in their joint concert with the British band New Model Army at the Tempodrom in Berlin. He is currently conductor of the Mecklenburg-Vorpommern State Police Orchestra.


Cornelius During was also a violist. In addition to a busy career in various Berlin orchestras, he was a member of the Berlin Opera Group, whose recording of Mascagni's opera Iris was nominated five times for the Opus Klassik.