The core members of Shpongle are Simon Posford and Raja Ram, along with many collaborators and guest musicians. Ott is also credited on all albums. Simon Posford is also known for his solo productions as Hallucinogen and as driving force of the label Twisted Records UK. He is also part of Dub Trees (with Youth and Dubsahara), Celtic Cross (with Youth) and Younger Brother (with Prometheus). Raja Ram is also a member of 1200 Micrograms (with GMS) and The Infinity Project (with Graham Wood, Anjee Sian and other contributors/collaborators).