Josephine studied classical and jazz saxophone at the Guildhall School of Music and Drama, whilst there winning the 1999 Perrier Young Jazz Award with a quintet  led by trumpeter Tom Allan.

She has since performed and recorded with the London Jazz Orchestra, Ronnie Scott's Vanguard Band, Jamie Cullum, Georgie Fame, Sax Appeal, Vortex Foundation Band, Will Young, Laurence Cottle Big Band, Gareth Lockrane's GrooveYard, Matt Wates sextet as well as a two year stint in the National Youth Jazz Orchestra.

Whilst being a regular member of various groups, Josephine also leads her own quintet performing original music.  She is influenced and inspired by myriad sources, among them Chris Potter, Brad Mehldau, Walt Weiskopf and John Coltrane.

“A lyrical voice infused with a gritty, relentless dynamism...The future of the saxophone is in good hands.” - Frank Griffith