Nick Douwma, is better known by his stage name Sub Focus, a drum and bass record producer. He has been releasing records since 2003.

In October 2009 he released his self-titled debut album. The album primarily features drum & bass tracks, however there are tracks showcasing dubstep, electronic, house and trance music elements.

"Rock It / Follow The Light" managed to break into the UK Top 40 Singles Chart.