Sibylle Mahni studied at the Frankfurt State Academy of Music and the Performing Arts (Hochschule für Musik und Darstellende Kunst Frankfurt am Main) under Professor Marie-Luise Neunecker. During this time she was an artist of the “Villa Musica” foundation, as well as being a scholarship holder from the German National Academic Foundation (Studienstiftung des Deutschen Volkes). Sibylle Mahni has had outstanding success at several highly renowned international competitions including the ARD Music Competition (Internationaler Musikwettbewerb der ARD). In 2002 she graduated with the post-graduate performance degree “Konzertexamen”.
From 1997 until 2016 Sibylle was solo-hornist in the opera orchestra in Frankfurt. In addition to performing as Principal Horn in the orchestra she started to teach: first at the Frankfurt State Academy of Music and the Performing Arts, then at the Mainz School of Music, the University of Music Saarbrücken and the University of Music Würzburg. In 2020 she was awarded the position of Professor of Horn at the Hanns Eisler School of Music Berlin.
Prof. Mahni also lectures at numerous international master classes including the International Horn Symposium in Kalamazoo, Michigan, the Jerusalem Music Academy, the Villa Musica, Mainz, the Forum Artium, Georgsmarienhütte and many others.
As a highly regarded horn soloist, she has frequently appeared with many leading orchestras including the Stuttgart Radio Symphony Orchestra, the Munich Symphony Orchestra, the International Bach Academy Stuttgart, the Württemberg Chamber Orchestra Heilbronn and the Britten Sinfonia. Sibylle has worked with many leading conductors such as Oleg Caetani, Toshiyuki Kamioka and Helmuth Rilling. Internationally, she has appeared in Sweden, Switzerland, The Netherlands, Croatia, China and the USA to name a few.
Chamber music is also an important passion for Ms. Mahni which has led her to perform at such festivals as the chamber music festival ‘Spannungen’ in Heimbach, the Moritzburg Festival near Dresden, the Hitzacker Summer Music Festival and the Freiburg ‘Albert Konzerte’. Amongst Sibylle’s chamber music partners are prominent musicians such as Christian Tetzlaff, Isabelle van Keulen, Kirill Gerstein, Lars Vogt and Sharon Kam. She has taken part in the premiere of chamber works of Jörg Widmann, Brett Dean, Detlev Glanert and others. In 2014 Sibylle Mahni joined the Ma’alot-Quintett, one of the leading wind-ensembles in the world today.