Ruud "Skippy" Ross started his drum career in Disturbance. He co-founded The Dicemen in 1999 and played with them for three years. In 2002 Ruud Ross parted ways with the band and was followed up by Jonathan van der Haak.
Soon after Ruud Ross joined Cenobites, replacing original drummer Jeroen Kiel. Ross was followed up by Nik Reitsma in 2006.
Ruud Ross rejoined the group in 2008 for the recordings of the album 'No Paradise for the Damned'.