As part of the jazz programmation at Bern Symphony Orchestra (Berner Symphonieorchester, BSO), Olivier has created the BSO Jazz Band, a flexible line-up with orchestra members and special guests.

The band performs in such series as "Late Night Concerts" or "BSO Family Days". So far, the band has performed with guests like vocalist Sandy Patton, saxophonist Klaus Widmer, pianist Juan Gonzalez, guitarist Slawek Plizga, tap dancer Nicolas Egger and bassist Michael Leuenberger.