Jason then joined the Cardiff Blues in the summer of 2007 and has gone onto play 43 matches for the region to date.
Speaking of the announcement, Cardiff Blues CEO, Robert Norster said,
"We would like to thank Jason for his significant contribution and commitment to the team over the last two seasons. He continues to be a key member of our team for what we hope will continue to be a successful season for the Blues. He will leave with our genuine appreciation for his efforts, as well as, our best wishes with his onward rugby career at Bristol RFC."