He signed with Central Station Records in 1998, and released the first of many compilations titled Kickin Hard, under the alias 'Alex K'.

[7] Karbouris moved from his hometown Sydney, Australia to Liverpool, UK in 2004, and signed a record deal with Universal/AATW.

He has written and worked with many writers and producers, and had writing credits alongside Annie Lennox with his track "Angel in my heart".

He has remixed numerous mainstream and underground artists, including the Black Eyed Peas, Rihanna, Snoop Dogg, Lady Gaga, Nicole Scherzinger, Slinkee Minx and David Guetta.

[10] His grandfather was Lee Gallagher, who formed the GTV-9 Showband and featured on the Graham Kennedy Show.