Powell was a key member of the writing and production house Xenomania for fourteen years. His first hit "All I Wanna Do" for Dannii Minogue peaked at number four in the UK Singles Chart in 1997. In his fourteen years at Xenomania, Powell contributed to hit records such as "Hole in the Head" and "Round Round" by Sugababes, "Call the Shots" by Girls Aloud and "Love etc." by Pet Shop Boys.
In March 2010, Powell split from Xenomania to become an independent songwriter and producer. Following his departure, Powell co-wrote "I'm in Love" by Alex Gaudino and co-wrote and produced Ed Drewett's debut single "Champagne Lemonade", released in October 2010. 
- "Change Your Life" - Writing & production