Théotime Voisin is 2nd solo double bassist of the Concertgebouw Orchestra, where he served as assistant principal double bass from October 2016 until 1 August 2026. Previously he was guest principal double bass of the Orchestre de la Suisse Romande and principal bass player of the Orchestre National du Capitole de Toulouse.
Théotime Voisin first became interested in the double bass at the age of five thanks to Jean Ané. At fifteen, he undertook studies at the Conservatoire National Supérieur de Musique de Lyon with Bernard Cazauran. Having played in the European Union Youth Orchestra for six consecutive years, Voisin became an appreciated substitute player in the main French orchestras. He obtained his master’s degree with Alberto Bocini at the Haute Ecole de Musique de Genève, and went on to study at the Bern Hochschule der Künste and at the Freiburg Musikhochschule in the class of Božo Paradžik.
He has won awards at the 2008 Valentino Bucchi International Competition in Rome, the Jeunes Interprètes International Competition at the 2010 Paris Festival d'Automne de, the 2010 J.M. Sperger Competition (Interpretation Award), the 2011 International Society of Bassists Solo Competition in San Francisco, and the 2012 Bass Solo Competition in Copenhagen.
A reputed chamber musician, Voisin has performed with a number of chamber music ensembles in France and abroad, including the Lemanic Modern Ensemble in Geneva and the Ensemble intercontemporain. He is also regularly invited to perform as a soloist with orchestra, or in recital.
In October 2011, he organised a fundraising tour in Ecuador for the benefit of children with cancer, offering masterclasses in several conservatoires and performing with the Ecuadorian popular singer Hernan Sotomayor.
NBB records published his CD Contre-jour, Musica francese al Contrabbasso in 2013, and Les Contrebasses de Genève in 2016.
From September 2020, he is a teacher at the Royal Conservatoire The Hague
Since 2021, Voisin plays a bass built by Vincenzo Corain (1848) in Trieste, purchased and given to him on lean by the Foundation Concertgebouworkest.
2026 - principal double bass of the Concertgebouw Orchestra
2016 - assistant principal double bass of the Concertgebouw Orchestra
2016 - principal bass Orchestre National du Capitole de Toulouse
2013 - CD Contre-jour, Musica francese al Contrabbasso