Sirdofsky is CEO of Custard Records (James Blunt, Crash Kings) and president of Coldwater Music Publishing/Sony/ATV - and has represented artists and producers including: 4 Non Blondes, Christina Aguilera, Lamb, Vain and Duff McKagan of Guns N' Roses.

Her current producer roster includes Linda Perry and C.P. Dubb, and she co-manages Matt Morris with Kevin Held.

Richard Stumpf, president of IMU said: "I could not be happier in welcoming Katrina to the Imagem family.

"She's one of the most well ...