Ember leaves Virgin Music after five years. During her time at Virgin Music, Ember has handled PR for Iggy Pop and The Kooks.
She will be replaced by Phoebe Sinclair, who formerly worked at Warner Music.
Before joining Virgin, Ember worked at Mercenary PR. She will join Polydor Records on 1 September.
Polydor's acts include Lady Gaga and Guns ‘n' Roses.