Dennis was born in Germany. In 1999 he came from punk rock to reggae. From 2001 to 2010, he hosted the weekly reggae radio show Chill’In – Uplifting Broadcasting at a local radio station in Bremen.

With friends he founded the reggae band Deljooka, which was active from 2000 to 2004.

In 2004 Dennis came to Hamburg and was the bass player of Karamala. In a session with them he met Micky Dread, who brought him to Dub Division in 2009. Since then Dennis Dubwise is playing the bass for Dub Division.