After obtaining a bachelor degree in both violin and trombone at the Brussels Conservatory, Charlotte Van Passen decided to concentrate fully on the trombone. She started to take lessons with Wim Becu and later with Adam Woolf on the sackbut, next to a modern trombone degree in Amsterdam, Lyon and finally Liège.
Next to her job as a trombonist at the Symphony Orchestra of Flanders, Charlotte plays with numerous orchestras including the Flemish Opera and Brussels Philharmonic, the contemporary music ensemble Ictus, and with early music groups including Scorpio Collectief and La Violetta. She is also a trombone teacher in the music school of Lier and a guest teacher at the Chamber music department of the Liège Conservatoire.
As a chamber musician Charlotte is a member of Bl!indman [brass], Open Slide ensemble and Osiris - historic brass.
In 2011 Charlotte was invited to take part in the International Prague Spring Competition and a year later she won the first prize and the Conn-Selmer prize at the ITA alto trombone competition.