Born in 1989 in Geneva, Alexandre has studied trombone under Jacques Mauger at the Haute Ecole de musique de Genève (2009-2012), Ian Bousfield at the Hochschule der Künste Bern (2012-2015) and David Bruchez at the Zürcher Hochschule der Künste (2018-2020). He ended up his studies with a Master of Arts in music Pedagogics and a Specialized Master in Orchestral Performance. Next to his instrumental studies, he follows composition’s lessons of Xavier Dayer at the Hochschule der Künste Bern and Michael Jarrell at the Haute Ecole de musique de Genève.

He has written for the Geneva Brass Quintet, the Geneva Wind Orchestra, the International Trombone Festival or the Swiss Bulgarian Association for Culture. His music is played in Switzerland, France, Germany, Belgium, Bulgaria, the USA and Brazil.

In 2020, his work Two pieces for brass and percussion ensemble has been performed by the Orchestre de la Suisse Romande under the baton of Jonathan Nott. In 2021, his work Visions has been recorded by the Orchestre de Chambre de Lausanne, under the baton of Baldur Bronnimann. Some of his compositions are published by Difem Music Publishers (CH) and International Music Diffusion (FR).

As a trombone player, Alexandre was a member of prestigious orchestral academies (Verbier and Lucerne Festival, Schleswig-Holstein Musik Festival), and served apprenticeships in different Swiss orchestras (Sinfonieorchester Biel, Berner Sinfonieorchester, Sinfonieorchester Basel).

For many years Alexandre has played in professional ensembles in Swiss and abroad (Orchestre de la Suisse Romande, Orchestre de Chambre de Genève, Orchestre de Chambre de Lausanne, Ensemble Intercontemporain among others), under the baton of maestros such as Valery Gergiev, Manfred Honeck, Matthias Pintscher or Christoph Eschenbach.

He won the second prize at the Concours International de Trombone d'Alsace in 2017 and the Fritz Gerber Award in 2016, which rewards the performance of a contemporary work. He founded in 2013 the trombone quartet « Swiss Slide Quartet » whose goal is to promote the original repertoire written for this formation. He also regularly plays in pop music bands (jazz, salsa, ska, etc. ) and is a member of the « Big up band », a big band based in Geneva. He obtained in 2010 a certificate of jazz delivered by the Jazz School in Lausanne.

He is the trombone teacher of the Conservatoire Populaire de Musique, Danse et Théâtre of Geneva.