Matthias Keller is a Swiss cornet and trumpet player, conductor and educator with a strong international background in the brass band world.
He studied at the Lucerne University of Applied Sciences and Arts – Music, specialising in trumpet and wind band conducting. In 2017, he continued his studies at the prestigious Royal Northern College of Music (RNCM) in Manchester, where he worked with some of the leading figures in the brass band world, including Roger Webster, Richard Marshall and David King.
During his time in the UK, Matthias was a member of the world-renowned Brighouse & Rastrick Band, winning both the British National Brass Band Championships and the Whit Friday contests. He also performed with several of Britain’s leading ensembles, including the Grimethorpe Colliery Band, Fairey Band and RNCM Brass Band.
From 2013 to 2025, Matthias held the position of Principal Cornet of Liberty Brass Band Ostschweiz. He has also appeared as Principal Cornet with renowned ensembles including 3BA – Bayerische Brass Band Akademie and Brass Band Bürgermusik Luzern, and was a long-standing member of the Swiss Army Brass Band.
Throughout his career, Matthias has enjoyed success at numerous national and international competitions, both as a performer and as a member of leading brass bands.
Alongside his work as a performer, Matthias is active as a conductor, soloist and educator and currently serves as Musical Director of two brass bands in Switzerland.
In 2025, he founded the Brass Akademie Ostschweiz, an academy dedicated to supporting and developing talented young brass musicians through high-level tuition, performance opportunities and solo training.
