Optiv
Optiv is a producer of drum and bass music and one of the members of Cause 4 Concern.
Aside from being an integral part of Cause 4 Concern, Optiv had also built up a large selection of solo releases, and in 2003 he started running his own imprint label Redlight Records. The label was well received, and has included collaborations and remixes from Black Sun Empire, Concord Dawn, The Upbeats, Bulletproof, Mayhem, Psidream, Chris.SU, Dose and Axiom.
Optiv joined Mark and Stuart in 1999 to form the group, as he was affiliated with Aspect Records, while the other two were working Vinyl Distribution.
After some inactivity, the group is back working toghether as of 2009.